new file mode 100644
--- /dev/null
+++ b/src/highlight.c
@@ -0,0 +1,3575 @@
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * Highlighting stuff
+ */
+
+#include "vim.h"
+
+#define SG_TERM		1	// term has been set
+#define SG_CTERM	2	// cterm has been set
+#define SG_GUI		4	// gui has been set
+#define SG_LINK		8	// link has been set
+
+/*
+ * The "term", "cterm" and "gui" arguments can be any combination of the
+ * following names, separated by commas (but no spaces!).
+ */
+static char *(hl_name_table[]) =
+    {"bold", "standout", "underline", "undercurl",
+      "italic", "reverse", "inverse", "nocombine", "strikethrough", "NONE"};
+static int hl_attr_table[] =
+    {HL_BOLD, HL_STANDOUT, HL_UNDERLINE, HL_UNDERCURL, HL_ITALIC, HL_INVERSE, HL_INVERSE, HL_NOCOMBINE, HL_STRIKETHROUGH, 0};
+#define ATTR_COMBINE(attr_a, attr_b) ((((attr_b) & HL_NOCOMBINE) ? attr_b : (attr_a)) | (attr_b))
+
+static void syn_unadd_group(void);
+static void set_hl_attr(int idx);
+static void highlight_list_one(int id);
+static int highlight_list_arg(int id, int didh, int type, int iarg, char_u *sarg, char *name);
+static int syn_add_group(char_u *name);
+static int hl_has_settings(int idx, int check_link);
+static void highlight_clear(int idx);
+
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+static void gui_do_one_color(int idx, int do_menu, int do_tooltip);
+#endif
+#ifdef FEAT_GUI
+static int  set_group_colors(char_u *name, guicolor_T *fgp, guicolor_T *bgp, int do_menu, int use_norm, int do_tooltip);
+static void hl_do_font(int idx, char_u *arg, int do_normal, int do_menu, int do_tooltip, int free_font);
+#endif
+
+/*
+ * An attribute number is the index in attr_table plus ATTR_OFF.
+ */
+#define ATTR_OFF (HL_ALL + 1)
+
+/*
+ * The default highlight groups.  These are compiled-in for fast startup and
+ * they still work when the runtime files can't be found.
+ * When making changes here, also change runtime/colors/default.vim!
+ * The #ifdefs are needed to reduce the amount of static data.  Helps to make
+ * the 16 bit DOS (museum) version compile.
+ */
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+# define CENT(a, b) b
+#else
+# define CENT(a, b) a
+#endif
+static char *(highlight_init_both[]) = {
+    CENT("ErrorMsg term=standout ctermbg=DarkRed ctermfg=White",
+	 "ErrorMsg term=standout ctermbg=DarkRed ctermfg=White guibg=Red guifg=White"),
+    CENT("IncSearch term=reverse cterm=reverse",
+	 "IncSearch term=reverse cterm=reverse gui=reverse"),
+    CENT("ModeMsg term=bold cterm=bold",
+	 "ModeMsg term=bold cterm=bold gui=bold"),
+    CENT("NonText term=bold ctermfg=Blue",
+	 "NonText term=bold ctermfg=Blue gui=bold guifg=Blue"),
+    CENT("StatusLine term=reverse,bold cterm=reverse,bold",
+	 "StatusLine term=reverse,bold cterm=reverse,bold gui=reverse,bold"),
+    CENT("StatusLineNC term=reverse cterm=reverse",
+	 "StatusLineNC term=reverse cterm=reverse gui=reverse"),
+    "default link EndOfBuffer NonText",
+    CENT("VertSplit term=reverse cterm=reverse",
+	 "VertSplit term=reverse cterm=reverse gui=reverse"),
+#ifdef FEAT_CLIPBOARD
+    CENT("VisualNOS term=underline,bold cterm=underline,bold",
+	 "VisualNOS term=underline,bold cterm=underline,bold gui=underline,bold"),
+#endif
+#ifdef FEAT_DIFF
+    CENT("DiffText term=reverse cterm=bold ctermbg=Red",
+	 "DiffText term=reverse cterm=bold ctermbg=Red gui=bold guibg=Red"),
+#endif
+#ifdef FEAT_INS_EXPAND
+    CENT("PmenuSbar ctermbg=Grey",
+	 "PmenuSbar ctermbg=Grey guibg=Grey"),
+#endif
+    CENT("TabLineSel term=bold cterm=bold",
+	 "TabLineSel term=bold cterm=bold gui=bold"),
+    CENT("TabLineFill term=reverse cterm=reverse",
+	 "TabLineFill term=reverse cterm=reverse gui=reverse"),
+#ifdef FEAT_GUI
+    "Cursor guibg=fg guifg=bg",
+    "lCursor guibg=fg guifg=bg", // should be different, but what?
+#endif
+    "default link QuickFixLine Search",
+    CENT("Normal cterm=NONE", "Normal gui=NONE"),
+    NULL
+};
+
+/* Default colors only used with a light background. */
+static char *(highlight_init_light[]) = {
+    CENT("Directory term=bold ctermfg=DarkBlue",
+	 "Directory term=bold ctermfg=DarkBlue guifg=Blue"),
+    CENT("LineNr term=underline ctermfg=Brown",
+	 "LineNr term=underline ctermfg=Brown guifg=Brown"),
+    CENT("CursorLineNr term=bold ctermfg=Brown",
+	 "CursorLineNr term=bold ctermfg=Brown gui=bold guifg=Brown"),
+    CENT("MoreMsg term=bold ctermfg=DarkGreen",
+	 "MoreMsg term=bold ctermfg=DarkGreen gui=bold guifg=SeaGreen"),
+    CENT("Question term=standout ctermfg=DarkGreen",
+	 "Question term=standout ctermfg=DarkGreen gui=bold guifg=SeaGreen"),
+    CENT("Search term=reverse ctermbg=Yellow ctermfg=NONE",
+	 "Search term=reverse ctermbg=Yellow ctermfg=NONE guibg=Yellow guifg=NONE"),
+#ifdef FEAT_SPELL
+    CENT("SpellBad term=reverse ctermbg=LightRed",
+	 "SpellBad term=reverse ctermbg=LightRed guisp=Red gui=undercurl"),
+    CENT("SpellCap term=reverse ctermbg=LightBlue",
+	 "SpellCap term=reverse ctermbg=LightBlue guisp=Blue gui=undercurl"),
+    CENT("SpellRare term=reverse ctermbg=LightMagenta",
+	 "SpellRare term=reverse ctermbg=LightMagenta guisp=Magenta gui=undercurl"),
+    CENT("SpellLocal term=underline ctermbg=Cyan",
+	 "SpellLocal term=underline ctermbg=Cyan guisp=DarkCyan gui=undercurl"),
+#endif
+#ifdef FEAT_INS_EXPAND
+    CENT("PmenuThumb ctermbg=Black",
+	 "PmenuThumb ctermbg=Black guibg=Black"),
+    CENT("Pmenu ctermbg=LightMagenta ctermfg=Black",
+	 "Pmenu ctermbg=LightMagenta ctermfg=Black guibg=LightMagenta"),
+    CENT("PmenuSel ctermbg=LightGrey ctermfg=Black",
+	 "PmenuSel ctermbg=LightGrey ctermfg=Black guibg=Grey"),
+#endif
+    CENT("SpecialKey term=bold ctermfg=DarkBlue",
+	 "SpecialKey term=bold ctermfg=DarkBlue guifg=Blue"),
+    CENT("Title term=bold ctermfg=DarkMagenta",
+	 "Title term=bold ctermfg=DarkMagenta gui=bold guifg=Magenta"),
+    CENT("WarningMsg term=standout ctermfg=DarkRed",
+	 "WarningMsg term=standout ctermfg=DarkRed guifg=Red"),
+#ifdef FEAT_WILDMENU
+    CENT("WildMenu term=standout ctermbg=Yellow ctermfg=Black",
+	 "WildMenu term=standout ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"),
+#endif
+#ifdef FEAT_FOLDING
+    CENT("Folded term=standout ctermbg=Grey ctermfg=DarkBlue",
+	 "Folded term=standout ctermbg=Grey ctermfg=DarkBlue guibg=LightGrey guifg=DarkBlue"),
+    CENT("FoldColumn term=standout ctermbg=Grey ctermfg=DarkBlue",
+	 "FoldColumn term=standout ctermbg=Grey ctermfg=DarkBlue guibg=Grey guifg=DarkBlue"),
+#endif
+#ifdef FEAT_SIGNS
+    CENT("SignColumn term=standout ctermbg=Grey ctermfg=DarkBlue",
+	 "SignColumn term=standout ctermbg=Grey ctermfg=DarkBlue guibg=Grey guifg=DarkBlue"),
+#endif
+    CENT("Visual term=reverse",
+	 "Visual term=reverse guibg=LightGrey"),
+#ifdef FEAT_DIFF
+    CENT("DiffAdd term=bold ctermbg=LightBlue",
+	 "DiffAdd term=bold ctermbg=LightBlue guibg=LightBlue"),
+    CENT("DiffChange term=bold ctermbg=LightMagenta",
+	 "DiffChange term=bold ctermbg=LightMagenta guibg=LightMagenta"),
+    CENT("DiffDelete term=bold ctermfg=Blue ctermbg=LightCyan",
+	 "DiffDelete term=bold ctermfg=Blue ctermbg=LightCyan gui=bold guifg=Blue guibg=LightCyan"),
+#endif
+    CENT("TabLine term=underline cterm=underline ctermfg=black ctermbg=LightGrey",
+	 "TabLine term=underline cterm=underline ctermfg=black ctermbg=LightGrey gui=underline guibg=LightGrey"),
+#ifdef FEAT_SYN_HL
+    CENT("CursorColumn term=reverse ctermbg=LightGrey",
+	 "CursorColumn term=reverse ctermbg=LightGrey guibg=Grey90"),
+    CENT("CursorLine term=underline cterm=underline",
+	 "CursorLine term=underline cterm=underline guibg=Grey90"),
+    CENT("ColorColumn term=reverse ctermbg=LightRed",
+	 "ColorColumn term=reverse ctermbg=LightRed guibg=LightRed"),
+#endif
+#ifdef FEAT_CONCEAL
+    CENT("Conceal ctermbg=DarkGrey ctermfg=LightGrey",
+	 "Conceal ctermbg=DarkGrey ctermfg=LightGrey guibg=DarkGrey guifg=LightGrey"),
+#endif
+    CENT("MatchParen term=reverse ctermbg=Cyan",
+	 "MatchParen term=reverse ctermbg=Cyan guibg=Cyan"),
+#ifdef FEAT_TERMINAL
+    CENT("StatusLineTerm term=reverse,bold cterm=bold ctermfg=White ctermbg=DarkGreen",
+	 "StatusLineTerm term=reverse,bold cterm=bold ctermfg=White ctermbg=DarkGreen gui=bold guifg=bg guibg=DarkGreen"),
+    CENT("StatusLineTermNC term=reverse ctermfg=White ctermbg=DarkGreen",
+	 "StatusLineTermNC term=reverse ctermfg=White ctermbg=DarkGreen guifg=bg guibg=DarkGreen"),
+#endif
+#ifdef FEAT_MENU
+    CENT("ToolbarLine term=underline ctermbg=LightGrey",
+	 "ToolbarLine term=underline ctermbg=LightGrey guibg=LightGrey"),
+    CENT("ToolbarButton cterm=bold ctermfg=White ctermbg=DarkGrey",
+	 "ToolbarButton cterm=bold ctermfg=White ctermbg=DarkGrey gui=bold guifg=White guibg=Grey40"),
+#endif
+    NULL
+};
+
+/* Default colors only used with a dark background. */
+static char *(highlight_init_dark[]) = {
+    CENT("Directory term=bold ctermfg=LightCyan",
+	 "Directory term=bold ctermfg=LightCyan guifg=Cyan"),
+    CENT("LineNr term=underline ctermfg=Yellow",
+	 "LineNr term=underline ctermfg=Yellow guifg=Yellow"),
+    CENT("CursorLineNr term=bold ctermfg=Yellow",
+	 "CursorLineNr term=bold ctermfg=Yellow gui=bold guifg=Yellow"),
+    CENT("MoreMsg term=bold ctermfg=LightGreen",
+	 "MoreMsg term=bold ctermfg=LightGreen gui=bold guifg=SeaGreen"),
+    CENT("Question term=standout ctermfg=LightGreen",
+	 "Question term=standout ctermfg=LightGreen gui=bold guifg=Green"),
+    CENT("Search term=reverse ctermbg=Yellow ctermfg=Black",
+	 "Search term=reverse ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"),
+    CENT("SpecialKey term=bold ctermfg=LightBlue",
+	 "SpecialKey term=bold ctermfg=LightBlue guifg=Cyan"),
+#ifdef FEAT_SPELL
+    CENT("SpellBad term=reverse ctermbg=Red",
+	 "SpellBad term=reverse ctermbg=Red guisp=Red gui=undercurl"),
+    CENT("SpellCap term=reverse ctermbg=Blue",
+	 "SpellCap term=reverse ctermbg=Blue guisp=Blue gui=undercurl"),
+    CENT("SpellRare term=reverse ctermbg=Magenta",
+	 "SpellRare term=reverse ctermbg=Magenta guisp=Magenta gui=undercurl"),
+    CENT("SpellLocal term=underline ctermbg=Cyan",
+	 "SpellLocal term=underline ctermbg=Cyan guisp=Cyan gui=undercurl"),
+#endif
+#ifdef FEAT_INS_EXPAND
+    CENT("PmenuThumb ctermbg=White",
+	 "PmenuThumb ctermbg=White guibg=White"),
+    CENT("Pmenu ctermbg=Magenta ctermfg=Black",
+	 "Pmenu ctermbg=Magenta ctermfg=Black guibg=Magenta"),
+    CENT("PmenuSel ctermbg=Black ctermfg=DarkGrey",
+	 "PmenuSel ctermbg=Black ctermfg=DarkGrey guibg=DarkGrey"),
+#endif
+    CENT("Title term=bold ctermfg=LightMagenta",
+	 "Title term=bold ctermfg=LightMagenta gui=bold guifg=Magenta"),
+    CENT("WarningMsg term=standout ctermfg=LightRed",
+	 "WarningMsg term=standout ctermfg=LightRed guifg=Red"),
+#ifdef FEAT_WILDMENU
+    CENT("WildMenu term=standout ctermbg=Yellow ctermfg=Black",
+	 "WildMenu term=standout ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"),
+#endif
+#ifdef FEAT_FOLDING
+    CENT("Folded term=standout ctermbg=DarkGrey ctermfg=Cyan",
+	 "Folded term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=DarkGrey guifg=Cyan"),
+    CENT("FoldColumn term=standout ctermbg=DarkGrey ctermfg=Cyan",
+	 "FoldColumn term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=Grey guifg=Cyan"),
+#endif
+#ifdef FEAT_SIGNS
+    CENT("SignColumn term=standout ctermbg=DarkGrey ctermfg=Cyan",
+	 "SignColumn term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=Grey guifg=Cyan"),
+#endif
+    CENT("Visual term=reverse",
+	 "Visual term=reverse guibg=DarkGrey"),
+#ifdef FEAT_DIFF
+    CENT("DiffAdd term=bold ctermbg=DarkBlue",
+	 "DiffAdd term=bold ctermbg=DarkBlue guibg=DarkBlue"),
+    CENT("DiffChange term=bold ctermbg=DarkMagenta",
+	 "DiffChange term=bold ctermbg=DarkMagenta guibg=DarkMagenta"),
+    CENT("DiffDelete term=bold ctermfg=Blue ctermbg=DarkCyan",
+	 "DiffDelete term=bold ctermfg=Blue ctermbg=DarkCyan gui=bold guifg=Blue guibg=DarkCyan"),
+#endif
+    CENT("TabLine term=underline cterm=underline ctermfg=white ctermbg=DarkGrey",
+	 "TabLine term=underline cterm=underline ctermfg=white ctermbg=DarkGrey gui=underline guibg=DarkGrey"),
+#ifdef FEAT_SYN_HL
+    CENT("CursorColumn term=reverse ctermbg=DarkGrey",
+	 "CursorColumn term=reverse ctermbg=DarkGrey guibg=Grey40"),
+    CENT("CursorLine term=underline cterm=underline",
+	 "CursorLine term=underline cterm=underline guibg=Grey40"),
+    CENT("ColorColumn term=reverse ctermbg=DarkRed",
+	 "ColorColumn term=reverse ctermbg=DarkRed guibg=DarkRed"),
+#endif
+    CENT("MatchParen term=reverse ctermbg=DarkCyan",
+	 "MatchParen term=reverse ctermbg=DarkCyan guibg=DarkCyan"),
+#ifdef FEAT_CONCEAL
+    CENT("Conceal ctermbg=DarkGrey ctermfg=LightGrey",
+	 "Conceal ctermbg=DarkGrey ctermfg=LightGrey guibg=DarkGrey guifg=LightGrey"),
+#endif
+#ifdef FEAT_TERMINAL
+    CENT("StatusLineTerm term=reverse,bold cterm=bold ctermfg=Black ctermbg=LightGreen",
+	 "StatusLineTerm term=reverse,bold cterm=bold ctermfg=Black ctermbg=LightGreen gui=bold guifg=bg guibg=LightGreen"),
+    CENT("StatusLineTermNC term=reverse ctermfg=Black ctermbg=LightGreen",
+	 "StatusLineTermNC term=reverse ctermfg=Black ctermbg=LightGreen guifg=bg guibg=LightGreen"),
+#endif
+#ifdef FEAT_MENU
+    CENT("ToolbarLine term=underline ctermbg=DarkGrey",
+	 "ToolbarLine term=underline ctermbg=DarkGrey guibg=Grey50"),
+    CENT("ToolbarButton cterm=bold ctermfg=Black ctermbg=LightGrey",
+	 "ToolbarButton cterm=bold ctermfg=Black ctermbg=LightGrey gui=bold guifg=Black guibg=LightGrey"),
+#endif
+    NULL
+};
+
+    void
+init_highlight(
+    int		both,	    // include groups where 'bg' doesn't matter
+    int		reset)	    // clear group first
+{
+    int		i;
+    char	**pp;
+    static int	had_both = FALSE;
+#ifdef FEAT_EVAL
+    char_u	*p;
+
+    /*
+     * Try finding the color scheme file.  Used when a color file was loaded
+     * and 'background' or 't_Co' is changed.
+     */
+    p = get_var_value((char_u *)"g:colors_name");
+    if (p != NULL)
+    {
+	// The value of g:colors_name could be freed when sourcing the script,
+	// making "p" invalid, so copy it.
+	char_u *copy_p = vim_strsave(p);
+	int    r;
+
+	if (copy_p != NULL)
+	{
+	    r = load_colors(copy_p);
+	    vim_free(copy_p);
+	    if (r == OK)
+		return;
+	}
+    }
+
+#endif
+
+    /*
+     * Didn't use a color file, use the compiled-in colors.
+     */
+    if (both)
+    {
+	had_both = TRUE;
+	pp = highlight_init_both;
+	for (i = 0; pp[i] != NULL; ++i)
+	    do_highlight((char_u *)pp[i], reset, TRUE);
+    }
+    else if (!had_both)
+	// Don't do anything before the call with both == TRUE from main().
+	// Not everything has been setup then, and that call will overrule
+	// everything anyway.
+	return;
+
+    if (*p_bg == 'l')
+	pp = highlight_init_light;
+    else
+	pp = highlight_init_dark;
+    for (i = 0; pp[i] != NULL; ++i)
+	do_highlight((char_u *)pp[i], reset, TRUE);
+
+    // Reverse looks ugly, but grey may not work for 8 colors.  Thus let it
+    // depend on the number of colors available.
+    // With 8 colors brown is equal to yellow, need to use black for Search fg
+    // to avoid Statement highlighted text disappears.
+    // Clear the attributes, needed when changing the t_Co value.
+    if (t_colors > 8)
+	do_highlight((char_u *)(*p_bg == 'l'
+		    ? "Visual cterm=NONE ctermbg=LightGrey"
+		    : "Visual cterm=NONE ctermbg=DarkGrey"), FALSE, TRUE);
+    else
+    {
+	do_highlight((char_u *)"Visual cterm=reverse ctermbg=NONE",
+								 FALSE, TRUE);
+	if (*p_bg == 'l')
+	    do_highlight((char_u *)"Search ctermfg=black", FALSE, TRUE);
+    }
+
+#ifdef FEAT_SYN_HL
+    /*
+     * If syntax highlighting is enabled load the highlighting for it.
+     */
+    if (get_var_value((char_u *)"g:syntax_on") != NULL)
+    {
+	static int	recursive = 0;
+
+	if (recursive >= 5)
+	    emsg(_("E679: recursive loop loading syncolor.vim"));
+	else
+	{
+	    ++recursive;
+	    (void)source_runtime((char_u *)"syntax/syncolor.vim", DIP_ALL);
+	    --recursive;
+	}
+    }
+#endif
+}
+
+/*
+ * Load color file "name".
+ * Return OK for success, FAIL for failure.
+ */
+    int
+load_colors(char_u *name)
+{
+    char_u	*buf;
+    int		retval = FAIL;
+    static int	recursive = FALSE;
+
+    // When being called recursively, this is probably because setting
+    // 'background' caused the highlighting to be reloaded.  This means it is
+    // working, thus we should return OK.
+    if (recursive)
+	return OK;
+
+    recursive = TRUE;
+    buf = alloc(STRLEN(name) + 12);
+    if (buf != NULL)
+    {
+	apply_autocmds(EVENT_COLORSCHEMEPRE, name,
+					       curbuf->b_fname, FALSE, curbuf);
+	sprintf((char *)buf, "colors/%s.vim", name);
+	retval = source_runtime(buf, DIP_START + DIP_OPT);
+	vim_free(buf);
+	apply_autocmds(EVENT_COLORSCHEME, name, curbuf->b_fname, FALSE, curbuf);
+    }
+    recursive = FALSE;
+
+    return retval;
+}
+
+static char *(color_names[28]) = {
+	    "Black", "DarkBlue", "DarkGreen", "DarkCyan",
+	    "DarkRed", "DarkMagenta", "Brown", "DarkYellow",
+	    "Gray", "Grey", "LightGray", "LightGrey",
+	    "DarkGray", "DarkGrey",
+	    "Blue", "LightBlue", "Green", "LightGreen",
+	    "Cyan", "LightCyan", "Red", "LightRed", "Magenta",
+	    "LightMagenta", "Yellow", "LightYellow", "White", "NONE"};
+	    // indices:
+	    // 0, 1, 2, 3,
+	    // 4, 5, 6, 7,
+	    // 8, 9, 10, 11,
+	    // 12, 13,
+	    // 14, 15, 16, 17,
+	    // 18, 19, 20, 21, 22,
+	    // 23, 24, 25, 26, 27
+static int color_numbers_16[28] = {0, 1, 2, 3,
+				 4, 5, 6, 6,
+				 7, 7, 7, 7,
+				 8, 8,
+				 9, 9, 10, 10,
+				 11, 11, 12, 12, 13,
+				 13, 14, 14, 15, -1};
+// for xterm with 88 colors...
+static int color_numbers_88[28] = {0, 4, 2, 6,
+				 1, 5, 32, 72,
+				 84, 84, 7, 7,
+				 82, 82,
+				 12, 43, 10, 61,
+				 14, 63, 9, 74, 13,
+				 75, 11, 78, 15, -1};
+// for xterm with 256 colors...
+static int color_numbers_256[28] = {0, 4, 2, 6,
+				 1, 5, 130, 130,
+				 248, 248, 7, 7,
+				 242, 242,
+				 12, 81, 10, 121,
+				 14, 159, 9, 224, 13,
+				 225, 11, 229, 15, -1};
+// for terminals with less than 16 colors...
+static int color_numbers_8[28] = {0, 4, 2, 6,
+				 1, 5, 3, 3,
+				 7, 7, 7, 7,
+				 0+8, 0+8,
+				 4+8, 4+8, 2+8, 2+8,
+				 6+8, 6+8, 1+8, 1+8, 5+8,
+				 5+8, 3+8, 3+8, 7+8, -1};
+
+/*
+ * Lookup the "cterm" value to be used for color with index "idx" in
+ * color_names[].
+ * "boldp" will be set to TRUE or FALSE for a foreground color when using 8
+ * colors, otherwise it will be unchanged.
+ */
+    int
+lookup_color(int idx, int foreground, int *boldp)
+{
+    int		color = color_numbers_16[idx];
+    char_u	*p;
+
+    // Use the _16 table to check if it's a valid color name.
+    if (color < 0)
+	return -1;
+
+    if (t_colors == 8)
+    {
+	// t_Co is 8: use the 8 colors table
+#if defined(__QNXNTO__)
+	color = color_numbers_8_qansi[idx];
+#else
+	color = color_numbers_8[idx];
+#endif
+	if (foreground)
+	{
+	    // set/reset bold attribute to get light foreground
+	    // colors (on some terminals, e.g. "linux")
+	    if (color & 8)
+		*boldp = TRUE;
+	    else
+		*boldp = FALSE;
+	}
+	color &= 7;	// truncate to 8 colors
+    }
+    else if (t_colors == 16 || t_colors == 88
+					   || t_colors >= 256)
+    {
+	/*
+	 * Guess: if the termcap entry ends in 'm', it is
+	 * probably an xterm-like terminal.  Use the changed
+	 * order for colors.
+	 */
+	if (*T_CAF != NUL)
+	    p = T_CAF;
+	else
+	    p = T_CSF;
+	if (*p != NUL && (t_colors > 256
+			      || *(p + STRLEN(p) - 1) == 'm'))
+	{
+	    if (t_colors == 88)
+		color = color_numbers_88[idx];
+	    else if (t_colors >= 256)
+		color = color_numbers_256[idx];
+	    else
+		color = color_numbers_8[idx];
+	}
+#ifdef FEAT_TERMRESPONSE
+	if (t_colors >= 256 && color == 15 && is_mac_terminal)
+	    // Terminal.app has a bug: 15 is light grey. Use white
+	    // from the color cube instead.
+	    color = 231;
+#endif
+    }
+    return color;
+}
+
+/*
+ * Handle the ":highlight .." command.
+ * When using ":hi clear" this is called recursively for each group with
+ * "forceit" and "init" both TRUE.
+ */
+    void
+do_highlight(
+    char_u	*line,
+    int		forceit,
+    int		init)	    // TRUE when called for initializing
+{
+    char_u	*name_end;
+    char_u	*p;
+    char_u	*linep;
+    char_u	*key_start;
+    char_u	*arg_start;
+    char_u	*key = NULL, *arg = NULL;
+    long	i;
+    int		off;
+    int		len;
+    int		attr;
+    int		id;
+    int		idx;
+    hl_group_T	item_before;
+    int		did_change = FALSE;
+    int		dodefault = FALSE;
+    int		doclear = FALSE;
+    int		dolink = FALSE;
+    int		error = FALSE;
+    int		color;
+    int		is_normal_group = FALSE;	// "Normal" group
+#ifdef FEAT_TERMINAL
+    int		is_terminal_group = FALSE;	// "Terminal" group
+#endif
+#ifdef FEAT_GUI_X11
+    int		is_menu_group = FALSE;		// "Menu" group
+    int		is_scrollbar_group = FALSE;	// "Scrollbar" group
+    int		is_tooltip_group = FALSE;	// "Tooltip" group
+    int		do_colors = FALSE;		// need to update colors?
+#else
+# define is_menu_group 0
+# define is_tooltip_group 0
+#endif
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+    int		did_highlight_changed = FALSE;
+#endif
+
+    /*
+     * If no argument, list current highlighting.
+     */
+    if (ends_excmd(*line))
+    {
+	for (i = 1; i <= highlight_ga.ga_len && !got_int; ++i)
+	    // TODO: only call when the group has attributes set
+	    highlight_list_one((int)i);
+	return;
+    }
+
+    /*
+     * Isolate the name.
+     */
+    name_end = skiptowhite(line);
+    linep = skipwhite(name_end);
+
+    /*
+     * Check for "default" argument.
+     */
+    if (STRNCMP(line, "default", name_end - line) == 0)
+    {
+	dodefault = TRUE;
+	line = linep;
+	name_end = skiptowhite(line);
+	linep = skipwhite(name_end);
+    }
+
+    /*
+     * Check for "clear" or "link" argument.
+     */
+    if (STRNCMP(line, "clear", name_end - line) == 0)
+	doclear = TRUE;
+    if (STRNCMP(line, "link", name_end - line) == 0)
+	dolink = TRUE;
+
+    /*
+     * ":highlight {group-name}": list highlighting for one group.
+     */
+    if (!doclear && !dolink && ends_excmd(*linep))
+    {
+	id = syn_namen2id(line, (int)(name_end - line));
+	if (id == 0)
+	    semsg(_("E411: highlight group not found: %s"), line);
+	else
+	    highlight_list_one(id);
+	return;
+    }
+
+    /*
+     * Handle ":highlight link {from} {to}" command.
+     */
+    if (dolink)
+    {
+	char_u	    *from_start = linep;
+	char_u	    *from_end;
+	char_u	    *to_start;
+	char_u	    *to_end;
+	int	    from_id;
+	int	    to_id;
+
+	from_end = skiptowhite(from_start);
+	to_start = skipwhite(from_end);
+	to_end	 = skiptowhite(to_start);
+
+	if (ends_excmd(*from_start) || ends_excmd(*to_start))
+	{
+	    semsg(_("E412: Not enough arguments: \":highlight link %s\""),
+								  from_start);
+	    return;
+	}
+
+	if (!ends_excmd(*skipwhite(to_end)))
+	{
+	    semsg(_("E413: Too many arguments: \":highlight link %s\""), from_start);
+	    return;
+	}
+
+	from_id = syn_check_group(from_start, (int)(from_end - from_start));
+	if (STRNCMP(to_start, "NONE", 4) == 0)
+	    to_id = 0;
+	else
+	    to_id = syn_check_group(to_start, (int)(to_end - to_start));
+
+	if (from_id > 0 && (!init || HL_TABLE()[from_id - 1].sg_set == 0))
+	{
+	    /*
+	     * Don't allow a link when there already is some highlighting
+	     * for the group, unless '!' is used
+	     */
+	    if (to_id > 0 && !forceit && !init
+				   && hl_has_settings(from_id - 1, dodefault))
+	    {
+		if (sourcing_name == NULL && !dodefault)
+		    emsg(_("E414: group has settings, highlight link ignored"));
+	    }
+	    else if (HL_TABLE()[from_id - 1].sg_link != to_id
+#ifdef FEAT_EVAL
+		    || HL_TABLE()[from_id - 1].sg_script_ctx.sc_sid
+							 != current_sctx.sc_sid
+#endif
+		    || HL_TABLE()[from_id - 1].sg_cleared)
+	    {
+		if (!init)
+		    HL_TABLE()[from_id - 1].sg_set |= SG_LINK;
+		HL_TABLE()[from_id - 1].sg_link = to_id;
+#ifdef FEAT_EVAL
+		HL_TABLE()[from_id - 1].sg_script_ctx = current_sctx;
+		HL_TABLE()[from_id - 1].sg_script_ctx.sc_lnum += sourcing_lnum;
+#endif
+		HL_TABLE()[from_id - 1].sg_cleared = FALSE;
+		redraw_all_later(SOME_VALID);
+
+		// Only call highlight_changed() once after multiple changes.
+		need_highlight_changed = TRUE;
+	    }
+	}
+
+	return;
+    }
+
+    if (doclear)
+    {
+	/*
+	 * ":highlight clear [group]" command.
+	 */
+	line = linep;
+	if (ends_excmd(*line))
+	{
+#ifdef FEAT_GUI
+	    // First, we do not destroy the old values, but allocate the new
+	    // ones and update the display. THEN we destroy the old values.
+	    // If we destroy the old values first, then the old values
+	    // (such as GuiFont's or GuiFontset's) will still be displayed but
+	    // invalid because they were free'd.
+	    if (gui.in_use)
+	    {
+# ifdef FEAT_BEVAL_TIP
+		gui_init_tooltip_font();
+# endif
+# if defined(FEAT_MENU) && (defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MOTIF))
+		gui_init_menu_font();
+# endif
+	    }
+# if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_X11)
+	    gui_mch_def_colors();
+# endif
+# ifdef FEAT_GUI_X11
+#  ifdef FEAT_MENU
+
+	    // This only needs to be done when there is no Menu highlight
+	    // group defined by default, which IS currently the case.
+	    gui_mch_new_menu_colors();
+#  endif
+	    if (gui.in_use)
+	    {
+		gui_new_scrollbar_colors();
+#  ifdef FEAT_BEVAL_GUI
+		gui_mch_new_tooltip_colors();
+#  endif
+#  ifdef FEAT_MENU
+		gui_mch_new_menu_font();
+#  endif
+	    }
+# endif
+
+	    // Ok, we're done allocating the new default graphics items.
+	    // The screen should already be refreshed at this point.
+	    // It is now Ok to clear out the old data.
+#endif
+#ifdef FEAT_EVAL
+	    do_unlet((char_u *)"colors_name", TRUE);
+#endif
+	    restore_cterm_colors();
+
+	    /*
+	     * Clear all default highlight groups and load the defaults.
+	     */
+	    for (idx = 0; idx < highlight_ga.ga_len; ++idx)
+		highlight_clear(idx);
+	    init_highlight(TRUE, TRUE);
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+	    if (USE_24BIT)
+		highlight_gui_started();
+	    else
+#endif
+		highlight_changed();
+	    redraw_later_clear();
+	    return;
+	}
+	name_end = skiptowhite(line);
+	linep = skipwhite(name_end);
+    }
+
+    /*
+     * Find the group name in the table.  If it does not exist yet, add it.
+     */
+    id = syn_check_group(line, (int)(name_end - line));
+    if (id == 0)			// failed (out of memory)
+	return;
+    idx = id - 1;			// index is ID minus one
+
+    // Return if "default" was used and the group already has settings.
+    if (dodefault && hl_has_settings(idx, TRUE))
+	return;
+
+    // Make a copy so we can check if any attribute actually changed.
+    item_before = HL_TABLE()[idx];
+
+    if (STRCMP(HL_TABLE()[idx].sg_name_u, "NORMAL") == 0)
+	is_normal_group = TRUE;
+#ifdef FEAT_TERMINAL
+    else if (STRCMP(HL_TABLE()[idx].sg_name_u, "TERMINAL") == 0)
+	is_terminal_group = TRUE;
+#endif
+#ifdef FEAT_GUI_X11
+    else if (STRCMP(HL_TABLE()[idx].sg_name_u, "MENU") == 0)
+	is_menu_group = TRUE;
+    else if (STRCMP(HL_TABLE()[idx].sg_name_u, "SCROLLBAR") == 0)
+	is_scrollbar_group = TRUE;
+    else if (STRCMP(HL_TABLE()[idx].sg_name_u, "TOOLTIP") == 0)
+	is_tooltip_group = TRUE;
+#endif
+
+    // Clear the highlighting for ":hi clear {group}" and ":hi clear".
+    if (doclear || (forceit && init))
+    {
+	highlight_clear(idx);
+	if (!doclear)
+	    HL_TABLE()[idx].sg_set = 0;
+    }
+
+    if (!doclear)
+      while (!ends_excmd(*linep))
+      {
+	key_start = linep;
+	if (*linep == '=')
+	{
+	    semsg(_("E415: unexpected equal sign: %s"), key_start);
+	    error = TRUE;
+	    break;
+	}
+
+	/*
+	 * Isolate the key ("term", "ctermfg", "ctermbg", "font", "guifg" or
+	 * "guibg").
+	 */
+	while (*linep && !VIM_ISWHITE(*linep) && *linep != '=')
+	    ++linep;
+	vim_free(key);
+	key = vim_strnsave_up(key_start, (int)(linep - key_start));
+	if (key == NULL)
+	{
+	    error = TRUE;
+	    break;
+	}
+	linep = skipwhite(linep);
+
+	if (STRCMP(key, "NONE") == 0)
+	{
+	    if (!init || HL_TABLE()[idx].sg_set == 0)
+	    {
+		if (!init)
+		    HL_TABLE()[idx].sg_set |= SG_TERM+SG_CTERM+SG_GUI;
+		highlight_clear(idx);
+	    }
+	    continue;
+	}
+
+	/*
+	 * Check for the equal sign.
+	 */
+	if (*linep != '=')
+	{
+	    semsg(_("E416: missing equal sign: %s"), key_start);
+	    error = TRUE;
+	    break;
+	}
+	++linep;
+
+	/*
+	 * Isolate the argument.
+	 */
+	linep = skipwhite(linep);
+	if (*linep == '\'')		// guifg='color name'
+	{
+	    arg_start = ++linep;
+	    linep = vim_strchr(linep, '\'');
+	    if (linep == NULL)
+	    {
+		semsg(_(e_invarg2), key_start);
+		error = TRUE;
+		break;
+	    }
+	}
+	else
+	{
+	    arg_start = linep;
+	    linep = skiptowhite(linep);
+	}
+	if (linep == arg_start)
+	{
+	    semsg(_("E417: missing argument: %s"), key_start);
+	    error = TRUE;
+	    break;
+	}
+	vim_free(arg);
+	arg = vim_strnsave(arg_start, (int)(linep - arg_start));
+	if (arg == NULL)
+	{
+	    error = TRUE;
+	    break;
+	}
+	if (*linep == '\'')
+	    ++linep;
+
+	/*
+	 * Store the argument.
+	 */
+	if (  STRCMP(key, "TERM") == 0
+		|| STRCMP(key, "CTERM") == 0
+		|| STRCMP(key, "GUI") == 0)
+	{
+	    attr = 0;
+	    off = 0;
+	    while (arg[off] != NUL)
+	    {
+		for (i = sizeof(hl_attr_table) / sizeof(int); --i >= 0; )
+		{
+		    len = (int)STRLEN(hl_name_table[i]);
+		    if (STRNICMP(arg + off, hl_name_table[i], len) == 0)
+		    {
+			attr |= hl_attr_table[i];
+			off += len;
+			break;
+		    }
+		}
+		if (i < 0)
+		{
+		    semsg(_("E418: Illegal value: %s"), arg);
+		    error = TRUE;
+		    break;
+		}
+		if (arg[off] == ',')		// another one follows
+		    ++off;
+	    }
+	    if (error)
+		break;
+	    if (*key == 'T')
+	    {
+		if (!init || !(HL_TABLE()[idx].sg_set & SG_TERM))
+		{
+		    if (!init)
+			HL_TABLE()[idx].sg_set |= SG_TERM;
+		    HL_TABLE()[idx].sg_term = attr;
+		}
+	    }
+	    else if (*key == 'C')
+	    {
+		if (!init || !(HL_TABLE()[idx].sg_set & SG_CTERM))
+		{
+		    if (!init)
+			HL_TABLE()[idx].sg_set |= SG_CTERM;
+		    HL_TABLE()[idx].sg_cterm = attr;
+		    HL_TABLE()[idx].sg_cterm_bold = FALSE;
+		}
+	    }
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+	    else
+	    {
+		if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI))
+		{
+		    if (!init)
+			HL_TABLE()[idx].sg_set |= SG_GUI;
+		    HL_TABLE()[idx].sg_gui = attr;
+		}
+	    }
+#endif
+	}
+	else if (STRCMP(key, "FONT") == 0)
+	{
+	    // in non-GUI fonts are simply ignored
+#ifdef FEAT_GUI
+	    if (HL_TABLE()[idx].sg_font_name != NULL
+			     && STRCMP(HL_TABLE()[idx].sg_font_name, arg) == 0)
+	    {
+		// Font name didn't change, ignore.
+	    }
+	    else if (!gui.shell_created)
+	    {
+		// GUI not started yet, always accept the name.
+		vim_free(HL_TABLE()[idx].sg_font_name);
+		HL_TABLE()[idx].sg_font_name = vim_strsave(arg);
+		did_change = TRUE;
+	    }
+	    else
+	    {
+		GuiFont temp_sg_font = HL_TABLE()[idx].sg_font;
+# ifdef FEAT_XFONTSET
+		GuiFontset temp_sg_fontset = HL_TABLE()[idx].sg_fontset;
+# endif
+		// First, save the current font/fontset.
+		// Then try to allocate the font/fontset.
+		// If the allocation fails, HL_TABLE()[idx].sg_font OR
+		// sg_fontset will be set to NOFONT or NOFONTSET respectively.
+
+		HL_TABLE()[idx].sg_font = NOFONT;
+# ifdef FEAT_XFONTSET
+		HL_TABLE()[idx].sg_fontset = NOFONTSET;
+# endif
+		hl_do_font(idx, arg, is_normal_group, is_menu_group,
+						     is_tooltip_group, FALSE);
+
+# ifdef FEAT_XFONTSET
+		if (HL_TABLE()[idx].sg_fontset != NOFONTSET)
+		{
+		    // New fontset was accepted. Free the old one, if there
+		    // was one.
+		    gui_mch_free_fontset(temp_sg_fontset);
+		    vim_free(HL_TABLE()[idx].sg_font_name);
+		    HL_TABLE()[idx].sg_font_name = vim_strsave(arg);
+		    did_change = TRUE;
+		}
+		else
+		    HL_TABLE()[idx].sg_fontset = temp_sg_fontset;
+# endif
+		if (HL_TABLE()[idx].sg_font != NOFONT)
+		{
+		    // New font was accepted. Free the old one, if there was
+		    // one.
+		    gui_mch_free_font(temp_sg_font);
+		    vim_free(HL_TABLE()[idx].sg_font_name);
+		    HL_TABLE()[idx].sg_font_name = vim_strsave(arg);
+		    did_change = TRUE;
+		}
+		else
+		    HL_TABLE()[idx].sg_font = temp_sg_font;
+	    }
+#endif
+	}
+	else if (STRCMP(key, "CTERMFG") == 0 || STRCMP(key, "CTERMBG") == 0)
+	{
+	  if (!init || !(HL_TABLE()[idx].sg_set & SG_CTERM))
+	  {
+	    if (!init)
+		HL_TABLE()[idx].sg_set |= SG_CTERM;
+
+	    // When setting the foreground color, and previously the "bold"
+	    // flag was set for a light color, reset it now
+	    if (key[5] == 'F' && HL_TABLE()[idx].sg_cterm_bold)
+	    {
+		HL_TABLE()[idx].sg_cterm &= ~HL_BOLD;
+		HL_TABLE()[idx].sg_cterm_bold = FALSE;
+	    }
+
+	    if (VIM_ISDIGIT(*arg))
+		color = atoi((char *)arg);
+	    else if (STRICMP(arg, "fg") == 0)
+	    {
+		if (cterm_normal_fg_color)
+		    color = cterm_normal_fg_color - 1;
+		else
+		{
+		    emsg(_("E419: FG color unknown"));
+		    error = TRUE;
+		    break;
+		}
+	    }
+	    else if (STRICMP(arg, "bg") == 0)
+	    {
+		if (cterm_normal_bg_color > 0)
+		    color = cterm_normal_bg_color - 1;
+		else
+		{
+		    emsg(_("E420: BG color unknown"));
+		    error = TRUE;
+		    break;
+		}
+	    }
+	    else
+	    {
+		int bold = MAYBE;
+
+#if defined(__QNXNTO__)
+		static int *color_numbers_8_qansi = color_numbers_8;
+		// On qnx, the 8 & 16 color arrays are the same
+		if (STRNCMP(T_NAME, "qansi", 5) == 0)
+		    color_numbers_8_qansi = color_numbers_16;
+#endif
+
+		// reduce calls to STRICMP a bit, it can be slow
+		off = TOUPPER_ASC(*arg);
+		for (i = (sizeof(color_names) / sizeof(char *)); --i >= 0; )
+		    if (off == color_names[i][0]
+				 && STRICMP(arg + 1, color_names[i] + 1) == 0)
+			break;
+		if (i < 0)
+		{
+		    semsg(_("E421: Color name or number not recognized: %s"), key_start);
+		    error = TRUE;
+		    break;
+		}
+
+		color = lookup_color(i, key[5] == 'F', &bold);
+
+		// set/reset bold attribute to get light foreground
+		// colors (on some terminals, e.g. "linux")
+		if (bold == TRUE)
+		{
+		    HL_TABLE()[idx].sg_cterm |= HL_BOLD;
+		    HL_TABLE()[idx].sg_cterm_bold = TRUE;
+		}
+		else if (bold == FALSE)
+		    HL_TABLE()[idx].sg_cterm &= ~HL_BOLD;
+	    }
+
+	    // Add one to the argument, to avoid zero.  Zero is used for
+	    // "NONE", then "color" is -1.
+	    if (key[5] == 'F')
+	    {
+		HL_TABLE()[idx].sg_cterm_fg = color + 1;
+		if (is_normal_group)
+		{
+		    cterm_normal_fg_color = color + 1;
+		    cterm_normal_fg_bold = (HL_TABLE()[idx].sg_cterm & HL_BOLD);
+#ifdef FEAT_GUI
+		    // Don't do this if the GUI is used.
+		    if (!gui.in_use && !gui.starting)
+#endif
+		    {
+			must_redraw = CLEAR;
+			if (termcap_active && color >= 0)
+			    term_fg_color(color);
+		    }
+		}
+	    }
+	    else
+	    {
+		HL_TABLE()[idx].sg_cterm_bg = color + 1;
+		if (is_normal_group)
+		{
+		    cterm_normal_bg_color = color + 1;
+#ifdef FEAT_GUI
+		    // Don't mess with 'background' if the GUI is used.
+		    if (!gui.in_use && !gui.starting)
+#endif
+		    {
+			must_redraw = CLEAR;
+			if (color >= 0)
+			{
+			    int dark = -1;
+
+			    if (termcap_active)
+				term_bg_color(color);
+			    if (t_colors < 16)
+				dark = (color == 0 || color == 4);
+			    // Limit the heuristic to the standard 16 colors
+			    else if (color < 16)
+				dark = (color < 7 || color == 8);
+			    // Set the 'background' option if the value is
+			    // wrong.
+			    if (dark != -1
+				    && dark != (*p_bg == 'd')
+				    && !option_was_set((char_u *)"bg"))
+			    {
+				set_option_value((char_u *)"bg", 0L,
+				       (char_u *)(dark ? "dark" : "light"), 0);
+				reset_option_was_set((char_u *)"bg");
+			    }
+			}
+		    }
+		}
+	    }
+	  }
+	}
+	else if (STRCMP(key, "GUIFG") == 0)
+	{
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+	    char_u **namep = &HL_TABLE()[idx].sg_gui_fg_name;
+
+	    if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI))
+	    {
+		if (!init)
+		    HL_TABLE()[idx].sg_set |= SG_GUI;
+
+# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+		// In GUI guifg colors are only used when recognized
+		i = color_name2handle(arg);
+		if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT)
+		{
+		    HL_TABLE()[idx].sg_gui_fg = i;
+# endif
+		    if (*namep == NULL || STRCMP(*namep, arg) != 0)
+		    {
+			vim_free(*namep);
+			if (STRCMP(arg, "NONE") != 0)
+			    *namep = vim_strsave(arg);
+			else
+			    *namep = NULL;
+			did_change = TRUE;
+		    }
+# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+#  ifdef FEAT_GUI_X11
+		    if (is_menu_group && gui.menu_fg_pixel != i)
+		    {
+			gui.menu_fg_pixel = i;
+			do_colors = TRUE;
+		    }
+		    if (is_scrollbar_group && gui.scroll_fg_pixel != i)
+		    {
+			gui.scroll_fg_pixel = i;
+			do_colors = TRUE;
+		    }
+#   ifdef FEAT_BEVAL_GUI
+		    if (is_tooltip_group && gui.tooltip_fg_pixel != i)
+		    {
+			gui.tooltip_fg_pixel = i;
+			do_colors = TRUE;
+		    }
+#   endif
+#  endif
+		}
+# endif
+	    }
+#endif
+	}
+	else if (STRCMP(key, "GUIBG") == 0)
+	{
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+	    char_u **namep = &HL_TABLE()[idx].sg_gui_bg_name;
+
+	    if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI))
+	    {
+		if (!init)
+		    HL_TABLE()[idx].sg_set |= SG_GUI;
+
+# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+		// In GUI guifg colors are only used when recognized
+		i = color_name2handle(arg);
+		if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT)
+		{
+		    HL_TABLE()[idx].sg_gui_bg = i;
+# endif
+		    if (*namep == NULL || STRCMP(*namep, arg) != 0)
+		    {
+			vim_free(*namep);
+			if (STRCMP(arg, "NONE") != 0)
+			    *namep = vim_strsave(arg);
+			else
+			    *namep = NULL;
+			did_change = TRUE;
+		    }
+# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+#  ifdef FEAT_GUI_X11
+		    if (is_menu_group && gui.menu_bg_pixel != i)
+		    {
+			gui.menu_bg_pixel = i;
+			do_colors = TRUE;
+		    }
+		    if (is_scrollbar_group && gui.scroll_bg_pixel != i)
+		    {
+			gui.scroll_bg_pixel = i;
+			do_colors = TRUE;
+		    }
+#   ifdef FEAT_BEVAL_GUI
+		    if (is_tooltip_group && gui.tooltip_bg_pixel != i)
+		    {
+			gui.tooltip_bg_pixel = i;
+			do_colors = TRUE;
+		    }
+#   endif
+#  endif
+		}
+# endif
+	    }
+#endif
+	}
+	else if (STRCMP(key, "GUISP") == 0)
+	{
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+	    char_u **namep = &HL_TABLE()[idx].sg_gui_sp_name;
+
+	    if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI))
+	    {
+		if (!init)
+		    HL_TABLE()[idx].sg_set |= SG_GUI;
+
+# ifdef FEAT_GUI
+		i = color_name2handle(arg);
+		if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !gui.in_use)
+		{
+		    HL_TABLE()[idx].sg_gui_sp = i;
+# endif
+		    if (*namep == NULL || STRCMP(*namep, arg) != 0)
+		    {
+			vim_free(*namep);
+			if (STRCMP(arg, "NONE") != 0)
+			    *namep = vim_strsave(arg);
+			else
+			    *namep = NULL;
+			did_change = TRUE;
+		    }
+# ifdef FEAT_GUI
+		}
+# endif
+	    }
+#endif
+	}
+	else if (STRCMP(key, "START") == 0 || STRCMP(key, "STOP") == 0)
+	{
+	    char_u	buf[100];
+	    char_u	*tname;
+
+	    if (!init)
+		HL_TABLE()[idx].sg_set |= SG_TERM;
+
+	    /*
+	     * The "start" and "stop"  arguments can be a literal escape
+	     * sequence, or a comma separated list of terminal codes.
+	     */
+	    if (STRNCMP(arg, "t_", 2) == 0)
+	    {
+		off = 0;
+		buf[0] = 0;
+		while (arg[off] != NUL)
+		{
+		    // Isolate one termcap name
+		    for (len = 0; arg[off + len] &&
+						 arg[off + len] != ','; ++len)
+			;
+		    tname = vim_strnsave(arg + off, len);
+		    if (tname == NULL)		// out of memory
+		    {
+			error = TRUE;
+			break;
+		    }
+		    // lookup the escape sequence for the item
+		    p = get_term_code(tname);
+		    vim_free(tname);
+		    if (p == NULL)	    // ignore non-existing things
+			p = (char_u *)"";
+
+		    // Append it to the already found stuff
+		    if ((int)(STRLEN(buf) + STRLEN(p)) >= 99)
+		    {
+			semsg(_("E422: terminal code too long: %s"), arg);
+			error = TRUE;
+			break;
+		    }
+		    STRCAT(buf, p);
+
+		    // Advance to the next item
+		    off += len;
+		    if (arg[off] == ',')	    // another one follows
+			++off;
+		}
+	    }
+	    else
+	    {
+		/*
+		 * Copy characters from arg[] to buf[], translating <> codes.
+		 */
+		for (p = arg, off = 0; off < 100 - 6 && *p; )
+		{
+		    len = trans_special(&p, buf + off, FALSE, FALSE);
+		    if (len > 0)	    // recognized special char
+			off += len;
+		    else		    // copy as normal char
+			buf[off++] = *p++;
+		}
+		buf[off] = NUL;
+	    }
+	    if (error)
+		break;
+
+	    if (STRCMP(buf, "NONE") == 0)	// resetting the value
+		p = NULL;
+	    else
+		p = vim_strsave(buf);
+	    if (key[2] == 'A')
+	    {
+		vim_free(HL_TABLE()[idx].sg_start);
+		HL_TABLE()[idx].sg_start = p;
+	    }
+	    else
+	    {
+		vim_free(HL_TABLE()[idx].sg_stop);
+		HL_TABLE()[idx].sg_stop = p;
+	    }
+	}
+	else
+	{
+	    semsg(_("E423: Illegal argument: %s"), key_start);
+	    error = TRUE;
+	    break;
+	}
+	HL_TABLE()[idx].sg_cleared = FALSE;
+
+	/*
+	 * When highlighting has been given for a group, don't link it.
+	 */
+	if (!init || !(HL_TABLE()[idx].sg_set & SG_LINK))
+	    HL_TABLE()[idx].sg_link = 0;
+
+	/*
+	 * Continue with next argument.
+	 */
+	linep = skipwhite(linep);
+      }
+
+    /*
+     * If there is an error, and it's a new entry, remove it from the table.
+     */
+    if (error && idx == highlight_ga.ga_len)
+	syn_unadd_group();
+    else
+    {
+	if (is_normal_group)
+	{
+	    HL_TABLE()[idx].sg_term_attr = 0;
+	    HL_TABLE()[idx].sg_cterm_attr = 0;
+#ifdef FEAT_GUI
+	    HL_TABLE()[idx].sg_gui_attr = 0;
+	    /*
+	     * Need to update all groups, because they might be using "bg"
+	     * and/or "fg", which have been changed now.
+	     */
+#endif
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+	    if (USE_24BIT)
+	    {
+		highlight_gui_started();
+		did_highlight_changed = TRUE;
+		redraw_all_later(NOT_VALID);
+	    }
+#endif
+	}
+#ifdef FEAT_TERMINAL
+	else if (is_terminal_group)
+	    set_terminal_default_colors(
+		    HL_TABLE()[idx].sg_cterm_fg, HL_TABLE()[idx].sg_cterm_bg);
+#endif
+#ifdef FEAT_GUI_X11
+# ifdef FEAT_MENU
+	else if (is_menu_group)
+	{
+	    if (gui.in_use && do_colors)
+		gui_mch_new_menu_colors();
+	}
+# endif
+	else if (is_scrollbar_group)
+	{
+	    if (gui.in_use && do_colors)
+		gui_new_scrollbar_colors();
+	    else
+		set_hl_attr(idx);
+	}
+# ifdef FEAT_BEVAL_GUI
+	else if (is_tooltip_group)
+	{
+	    if (gui.in_use && do_colors)
+		gui_mch_new_tooltip_colors();
+	}
+# endif
+#endif
+	else
+	    set_hl_attr(idx);
+#ifdef FEAT_EVAL
+	HL_TABLE()[idx].sg_script_ctx = current_sctx;
+	HL_TABLE()[idx].sg_script_ctx.sc_lnum += sourcing_lnum;
+#endif
+    }
+
+    vim_free(key);
+    vim_free(arg);
+
+    // Only call highlight_changed() once, after a sequence of highlight
+    // commands, and only if an attribute actually changed.
+    if ((did_change
+	   || memcmp(&HL_TABLE()[idx], &item_before, sizeof(item_before)) != 0)
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+	    && !did_highlight_changed
+#endif
+       )
+    {
+	// Do not trigger a redraw when highlighting is changed while
+	// redrawing.  This may happen when evaluating 'statusline' changes the
+	// StatusLine group.
+	if (!updating_screen)
+	    redraw_all_later(NOT_VALID);
+	need_highlight_changed = TRUE;
+    }
+}
+
+#if defined(EXITFREE) || defined(PROTO)
+    void
+free_highlight(void)
+{
+    int	    i;
+
+    for (i = 0; i < highlight_ga.ga_len; ++i)
+    {
+	highlight_clear(i);
+	vim_free(HL_TABLE()[i].sg_name);
+	vim_free(HL_TABLE()[i].sg_name_u);
+    }
+    ga_clear(&highlight_ga);
+}
+#endif
+
+/*
+ * Reset the cterm colors to what they were before Vim was started, if
+ * possible.  Otherwise reset them to zero.
+ */
+    void
+restore_cterm_colors(void)
+{
+#if defined(MSWIN) && !defined(FEAT_GUI_MSWIN)
+    // Since t_me has been set, this probably means that the user
+    // wants to use this as default colors.  Need to reset default
+    // background/foreground colors.
+    mch_set_normal_colors();
+#else
+# ifdef VIMDLL
+    if (!gui.in_use)
+    {
+	mch_set_normal_colors();
+	return;
+    }
+# endif
+    cterm_normal_fg_color = 0;
+    cterm_normal_fg_bold = 0;
+    cterm_normal_bg_color = 0;
+# ifdef FEAT_TERMGUICOLORS
+    cterm_normal_fg_gui_color = INVALCOLOR;
+    cterm_normal_bg_gui_color = INVALCOLOR;
+# endif
+#endif
+}
+
+/*
+ * Return TRUE if highlight group "idx" has any settings.
+ * When "check_link" is TRUE also check for an existing link.
+ */
+    static int
+hl_has_settings(int idx, int check_link)
+{
+    return (   HL_TABLE()[idx].sg_term_attr != 0
+	    || HL_TABLE()[idx].sg_cterm_attr != 0
+	    || HL_TABLE()[idx].sg_cterm_fg != 0
+	    || HL_TABLE()[idx].sg_cterm_bg != 0
+#ifdef FEAT_GUI
+	    || HL_TABLE()[idx].sg_gui_attr != 0
+	    || HL_TABLE()[idx].sg_gui_fg_name != NULL
+	    || HL_TABLE()[idx].sg_gui_bg_name != NULL
+	    || HL_TABLE()[idx].sg_gui_sp_name != NULL
+	    || HL_TABLE()[idx].sg_font_name != NULL
+#endif
+	    || (check_link && (HL_TABLE()[idx].sg_set & SG_LINK)));
+}
+
+/*
+ * Clear highlighting for one group.
+ */
+    static void
+highlight_clear(int idx)
+{
+    HL_TABLE()[idx].sg_cleared = TRUE;
+
+    HL_TABLE()[idx].sg_term = 0;
+    VIM_CLEAR(HL_TABLE()[idx].sg_start);
+    VIM_CLEAR(HL_TABLE()[idx].sg_stop);
+    HL_TABLE()[idx].sg_term_attr = 0;
+    HL_TABLE()[idx].sg_cterm = 0;
+    HL_TABLE()[idx].sg_cterm_bold = FALSE;
+    HL_TABLE()[idx].sg_cterm_fg = 0;
+    HL_TABLE()[idx].sg_cterm_bg = 0;
+    HL_TABLE()[idx].sg_cterm_attr = 0;
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+    HL_TABLE()[idx].sg_gui = 0;
+    VIM_CLEAR(HL_TABLE()[idx].sg_gui_fg_name);
+    VIM_CLEAR(HL_TABLE()[idx].sg_gui_bg_name);
+    VIM_CLEAR(HL_TABLE()[idx].sg_gui_sp_name);
+#endif
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+    HL_TABLE()[idx].sg_gui_fg = INVALCOLOR;
+    HL_TABLE()[idx].sg_gui_bg = INVALCOLOR;
+#endif
+#ifdef FEAT_GUI
+    HL_TABLE()[idx].sg_gui_sp = INVALCOLOR;
+    gui_mch_free_font(HL_TABLE()[idx].sg_font);
+    HL_TABLE()[idx].sg_font = NOFONT;
+# ifdef FEAT_XFONTSET
+    gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset);
+    HL_TABLE()[idx].sg_fontset = NOFONTSET;
+# endif
+    VIM_CLEAR(HL_TABLE()[idx].sg_font_name);
+    HL_TABLE()[idx].sg_gui_attr = 0;
+#endif
+#ifdef FEAT_EVAL
+    // Clear the script ID only when there is no link, since that is not
+    // cleared.
+    if (HL_TABLE()[idx].sg_link == 0)
+    {
+	HL_TABLE()[idx].sg_script_ctx.sc_sid = 0;
+	HL_TABLE()[idx].sg_script_ctx.sc_lnum = 0;
+    }
+#endif
+}
+
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
+/*
+ * Set the normal foreground and background colors according to the "Normal"
+ * highlighting group.  For X11 also set "Menu", "Scrollbar", and
+ * "Tooltip" colors.
+ */
+    void
+set_normal_colors(void)
+{
+# ifdef FEAT_GUI
+#  ifdef FEAT_TERMGUICOLORS
+    if (gui.in_use)
+#  endif
+    {
+	if (set_group_colors((char_u *)"Normal",
+				 &gui.norm_pixel, &gui.back_pixel,
+				 FALSE, TRUE, FALSE))
+	{
+	    gui_mch_new_colors();
+	    must_redraw = CLEAR;
+	}
+#  ifdef FEAT_GUI_X11
+	if (set_group_colors((char_u *)"Menu",
+			     &gui.menu_fg_pixel, &gui.menu_bg_pixel,
+			     TRUE, FALSE, FALSE))
+	{
+#   ifdef FEAT_MENU
+	    gui_mch_new_menu_colors();
+#   endif
+	    must_redraw = CLEAR;
+	}
+#   ifdef FEAT_BEVAL_GUI
+	if (set_group_colors((char_u *)"Tooltip",
+			     &gui.tooltip_fg_pixel, &gui.tooltip_bg_pixel,
+			     FALSE, FALSE, TRUE))
+	{
+#    ifdef FEAT_TOOLBAR
+	    gui_mch_new_tooltip_colors();
+#    endif
+	    must_redraw = CLEAR;
+	}
+#   endif
+	if (set_group_colors((char_u *)"Scrollbar",
+			&gui.scroll_fg_pixel, &gui.scroll_bg_pixel,
+			FALSE, FALSE, FALSE))
+	{
+	    gui_new_scrollbar_colors();
+	    must_redraw = CLEAR;
+	}
+#  endif
+    }
+# endif
+# ifdef FEAT_TERMGUICOLORS
+#  ifdef FEAT_GUI
+    else
+#  endif
+    {
+	int		idx;
+
+	idx = syn_name2id((char_u *)"Normal") - 1;
+	if (idx >= 0)
+	{
+	    gui_do_one_color(idx, FALSE, FALSE);
+
+	    // If the normal fg or bg color changed a complete redraw is
+	    // required.
+	    if (cterm_normal_fg_gui_color != HL_TABLE()[idx].sg_gui_fg
+		    || cterm_normal_bg_gui_color != HL_TABLE()[idx].sg_gui_bg)
+	    {
+		// if the GUI color is INVALCOLOR then we use the default cterm
+		// color
+		cterm_normal_fg_gui_color = HL_TABLE()[idx].sg_gui_fg;
+		cterm_normal_bg_gui_color = HL_TABLE()[idx].sg_gui_bg;
+		must_redraw = CLEAR;
+	    }
+	}
+    }
+# endif
+}
+#endif
+
+#if defined(FEAT_GUI) || defined(PROTO)
+/*
+ * Set the colors for "Normal", "Menu", "Tooltip" or "Scrollbar".
+ */
+    static int
+set_group_colors(
+    char_u	*name,
+    guicolor_T	*fgp,
+    guicolor_T	*bgp,
+    int		do_menu,
+    int		use_norm,
+    int		do_tooltip)
+{
+    int		idx;
+
+    idx = syn_name2id(name) - 1;
+    if (idx >= 0)
+    {
+	gui_do_one_color(idx, do_menu, do_tooltip);
+
+	if (HL_TABLE()[idx].sg_gui_fg != INVALCOLOR)
+	    *fgp = HL_TABLE()[idx].sg_gui_fg;
+	else if (use_norm)
+	    *fgp = gui.def_norm_pixel;
+	if (HL_TABLE()[idx].sg_gui_bg != INVALCOLOR)
+	    *bgp = HL_TABLE()[idx].sg_gui_bg;
+	else if (use_norm)
+	    *bgp = gui.def_back_pixel;
+	return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * Get the font of the "Normal" group.
+ * Returns "" when it's not found or not set.
+ */
+    char_u *
+hl_get_font_name(void)
+{
+    int		id;
+    char_u	*s;
+
+    id = syn_name2id((char_u *)"Normal");
+    if (id > 0)
+    {
+	s = HL_TABLE()[id - 1].sg_font_name;
+	if (s != NULL)
+	    return s;
+    }
+    return (char_u *)"";
+}
+
+/*
+ * Set font for "Normal" group.  Called by gui_mch_init_font() when a font has
+ * actually chosen to be used.
+ */
+    void
+hl_set_font_name(char_u *font_name)
+{
+    int	    id;
+
+    id = syn_name2id((char_u *)"Normal");
+    if (id > 0)
+    {
+	vim_free(HL_TABLE()[id - 1].sg_font_name);
+	HL_TABLE()[id - 1].sg_font_name = vim_strsave(font_name);
+    }
+}
+
+/*
+ * Set background color for "Normal" group.  Called by gui_set_bg_color()
+ * when the color is known.
+ */
+    void
+hl_set_bg_color_name(
+    char_u  *name)	    // must have been allocated
+{
+    int	    id;
+
+    if (name != NULL)
+    {
+	id = syn_name2id((char_u *)"Normal");
+	if (id > 0)
+	{
+	    vim_free(HL_TABLE()[id - 1].sg_gui_bg_name);
+	    HL_TABLE()[id - 1].sg_gui_bg_name = name;
+	}
+    }
+}
+
+/*
+ * Set foreground color for "Normal" group.  Called by gui_set_fg_color()
+ * when the color is known.
+ */
+    void
+hl_set_fg_color_name(
+    char_u  *name)	    // must have been allocated
+{
+    int	    id;
+
+    if (name != NULL)
+    {
+	id = syn_name2id((char_u *)"Normal");
+	if (id > 0)
+	{
+	    vim_free(HL_TABLE()[id - 1].sg_gui_fg_name);
+	    HL_TABLE()[id - 1].sg_gui_fg_name = name;
+	}
+    }
+}
+
+/*
+ * Return the handle for a font name.
+ * Returns NOFONT when failed.
+ */
+    static GuiFont
+font_name2handle(char_u *name)
+{
+    if (STRCMP(name, "NONE") == 0)
+	return NOFONT;
+
+    return gui_mch_get_font(name, TRUE);
+}
+
+# ifdef FEAT_XFONTSET
+/*
+ * Return the handle for a fontset name.
+ * Returns NOFONTSET when failed.
+ */
+    static GuiFontset
+fontset_name2handle(char_u *name, int fixed_width)
+{
+    if (STRCMP(name, "NONE") == 0)
+	return NOFONTSET;
+
+    return gui_mch_get_fontset(name, TRUE, fixed_width);
+}
+# endif
+
+/*
+ * Get the font or fontset for one highlight group.
+ */
+    static void
+hl_do_font(
+    int		idx,
+    char_u	*arg,
+    int		do_normal,		// set normal font
+    int		do_menu UNUSED,		// set menu font
+    int		do_tooltip UNUSED,	// set tooltip font
+    int		free_font)		// free current font/fontset
+{
+# ifdef FEAT_XFONTSET
+    // If 'guifontset' is not empty, first try using the name as a
+    // fontset.  If that doesn't work, use it as a font name.
+    if (*p_guifontset != NUL
+#  ifdef FONTSET_ALWAYS
+	|| do_menu
+#  endif
+#  ifdef FEAT_BEVAL_TIP
+	// In Athena & Motif, the Tooltip highlight group is always a fontset
+	|| do_tooltip
+#  endif
+	    )
+    {
+	if (free_font)
+	    gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset);
+	HL_TABLE()[idx].sg_fontset = fontset_name2handle(arg, 0
+#  ifdef FONTSET_ALWAYS
+		|| do_menu
+#  endif
+#  ifdef FEAT_BEVAL_TIP
+		|| do_tooltip
+#  endif
+		);
+    }
+    if (HL_TABLE()[idx].sg_fontset != NOFONTSET)
+    {
+	// If it worked and it's the Normal group, use it as the normal
+	// fontset.  Same for the Menu group.
+	if (do_normal)
+	    gui_init_font(arg, TRUE);
+#   if (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) && defined(FEAT_MENU)
+	if (do_menu)
+	{
+#    ifdef FONTSET_ALWAYS
+	    gui.menu_fontset = HL_TABLE()[idx].sg_fontset;
+#    else
+	    // YIKES!  This is a bug waiting to crash the program
+	    gui.menu_font = HL_TABLE()[idx].sg_fontset;
+#    endif
+	    gui_mch_new_menu_font();
+	}
+#    ifdef FEAT_BEVAL_GUI
+	if (do_tooltip)
+	{
+	    // The Athena widget set cannot currently handle switching between
+	    // displaying a single font and a fontset.
+	    // If the XtNinternational resource is set to True at widget
+	    // creation, then a fontset is always used, otherwise an
+	    // XFontStruct is used.
+	    gui.tooltip_fontset = (XFontSet)HL_TABLE()[idx].sg_fontset;
+	    gui_mch_new_tooltip_font();
+	}
+#    endif
+#   endif
+    }
+    else
+# endif
+    {
+	if (free_font)
+	    gui_mch_free_font(HL_TABLE()[idx].sg_font);
+	HL_TABLE()[idx].sg_font = font_name2handle(arg);
+	// If it worked and it's the Normal group, use it as the
+	// normal font.  Same for the Menu group.
+	if (HL_TABLE()[idx].sg_font != NOFONT)
+	{
+	    if (do_normal)
+		gui_init_font(arg, FALSE);
+#ifndef FONTSET_ALWAYS
+# if (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) && defined(FEAT_MENU)
+	    if (do_menu)
+	    {
+		gui.menu_font = HL_TABLE()[idx].sg_font;
+		gui_mch_new_menu_font();
+	    }
+# endif
+#endif
+	}
+    }
+}
+
+#endif // FEAT_GUI
+
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
+/*
+ * Return the handle for a color name.
+ * Returns INVALCOLOR when failed.
+ */
+    guicolor_T
+color_name2handle(char_u *name)
+{
+    if (STRCMP(name, "NONE") == 0)
+	return INVALCOLOR;
+
+    if (STRICMP(name, "fg") == 0 || STRICMP(name, "foreground") == 0)
+    {
+#if defined(FEAT_TERMGUICOLORS) && defined(FEAT_GUI)
+	if (gui.in_use)
+#endif
+#ifdef FEAT_GUI
+	    return gui.norm_pixel;
+#endif
+#ifdef FEAT_TERMGUICOLORS
+	if (cterm_normal_fg_gui_color != INVALCOLOR)
+	    return cterm_normal_fg_gui_color;
+	// Guess that the foreground is black or white.
+	return GUI_GET_COLOR((char_u *)(*p_bg == 'l' ? "black" : "white"));
+#endif
+    }
+    if (STRICMP(name, "bg") == 0 || STRICMP(name, "background") == 0)
+    {
+#if defined(FEAT_TERMGUICOLORS) && defined(FEAT_GUI)
+	if (gui.in_use)
+#endif
+#ifdef FEAT_GUI
+	    return gui.back_pixel;
+#endif
+#ifdef FEAT_TERMGUICOLORS
+	if (cterm_normal_bg_gui_color != INVALCOLOR)
+	    return cterm_normal_bg_gui_color;
+	// Guess that the background is white or black.
+	return GUI_GET_COLOR((char_u *)(*p_bg == 'l' ? "white" : "black"));
+#endif
+    }
+
+    return GUI_GET_COLOR(name);
+}
+#endif
+
+/*
+ * Table with the specifications for an attribute number.
+ * Note that this table is used by ALL buffers.  This is required because the
+ * GUI can redraw at any time for any buffer.
+ */
+static garray_T	term_attr_table = {0, 0, 0, 0, NULL};
+
+#define TERM_ATTR_ENTRY(idx) ((attrentry_T *)term_attr_table.ga_data)[idx]
+
+static garray_T	cterm_attr_table = {0, 0, 0, 0, NULL};
+
+#define CTERM_ATTR_ENTRY(idx) ((attrentry_T *)cterm_attr_table.ga_data)[idx]
+
+#ifdef FEAT_GUI
+static garray_T	gui_attr_table = {0, 0, 0, 0, NULL};
+
+#define GUI_ATTR_ENTRY(idx) ((attrentry_T *)gui_attr_table.ga_data)[idx]
+#endif
+
+/*
+ * Return the attr number for a set of colors and font.
+ * Add a new entry to the term_attr_table, cterm_attr_table or gui_attr_table
+ * if the combination is new.
+ * Return 0 for error (no more room).
+ */
+    static int
+get_attr_entry(garray_T *table, attrentry_T *aep)
+{
+    int		i;
+    attrentry_T	*taep;
+    static int	recursive = FALSE;
+
+    /*
+     * Init the table, in case it wasn't done yet.
+     */
+    table->ga_itemsize = sizeof(attrentry_T);
+    table->ga_growsize = 7;
+
+    /*
+     * Try to find an entry with the same specifications.
+     */
+    for (i = 0; i < table->ga_len; ++i)
+    {
+	taep = &(((attrentry_T *)table->ga_data)[i]);
+	if (	   aep->ae_attr == taep->ae_attr
+		&& (
+#ifdef FEAT_GUI
+		       (table == &gui_attr_table
+			&& (aep->ae_u.gui.fg_color == taep->ae_u.gui.fg_color
+			    && aep->ae_u.gui.bg_color
+						    == taep->ae_u.gui.bg_color
+			    && aep->ae_u.gui.sp_color
+						    == taep->ae_u.gui.sp_color
+			    && aep->ae_u.gui.font == taep->ae_u.gui.font
+#  ifdef FEAT_XFONTSET
+			    && aep->ae_u.gui.fontset == taep->ae_u.gui.fontset
+#  endif
+			    ))
+		    ||
+#endif
+		       (table == &term_attr_table
+			&& (aep->ae_u.term.start == NULL)
+					    == (taep->ae_u.term.start == NULL)
+			&& (aep->ae_u.term.start == NULL
+			    || STRCMP(aep->ae_u.term.start,
+						  taep->ae_u.term.start) == 0)
+			&& (aep->ae_u.term.stop == NULL)
+					     == (taep->ae_u.term.stop == NULL)
+			&& (aep->ae_u.term.stop == NULL
+			    || STRCMP(aep->ae_u.term.stop,
+						  taep->ae_u.term.stop) == 0))
+		    || (table == &cterm_attr_table
+			    && aep->ae_u.cterm.fg_color
+						  == taep->ae_u.cterm.fg_color
+			    && aep->ae_u.cterm.bg_color
+						  == taep->ae_u.cterm.bg_color
+#ifdef FEAT_TERMGUICOLORS
+			    && aep->ae_u.cterm.fg_rgb
+						    == taep->ae_u.cterm.fg_rgb
+			    && aep->ae_u.cterm.bg_rgb
+						    == taep->ae_u.cterm.bg_rgb
+#endif
+		       )))
+
+	return i + ATTR_OFF;
+    }
+
+    if (table->ga_len + ATTR_OFF > MAX_TYPENR)
+    {
+	/*
+	 * Running out of attribute entries!  remove all attributes, and
+	 * compute new ones for all groups.
+	 * When called recursively, we are really out of numbers.
+	 */
+	if (recursive)
+	{
+	    emsg(_("E424: Too many different highlighting attributes in use"));
+	    return 0;
+	}
+	recursive = TRUE;
+
+	clear_hl_tables();
+
+	must_redraw = CLEAR;
+
+	for (i = 0; i < highlight_ga.ga_len; ++i)
+	    set_hl_attr(i);
+
+	recursive = FALSE;
+    }
+
+    /*
+     * This is a new combination of colors and font, add an entry.
+     */
+    if (ga_grow(table, 1) == FAIL)
+	return 0;
+
+    taep = &(((attrentry_T *)table->ga_data)[table->ga_len]);
+    vim_memset(taep, 0, sizeof(attrentry_T));
+    taep->ae_attr = aep->ae_attr;
+#ifdef FEAT_GUI
+    if (table == &gui_attr_table)
+    {
+	taep->ae_u.gui.fg_color = aep->ae_u.gui.fg_color;
+	taep->ae_u.gui.bg_color = aep->ae_u.gui.bg_color;
+	taep->ae_u.gui.sp_color = aep->ae_u.gui.sp_color;
+	taep->ae_u.gui.font = aep->ae_u.gui.font;
+# ifdef FEAT_XFONTSET
+	taep->ae_u.gui.fontset = aep->ae_u.gui.fontset;
+# endif
+    }
+#endif
+    if (table == &term_attr_table)
+    {
+	if (aep->ae_u.term.start == NULL)
+	    taep->ae_u.term.start = NULL;
+	else
+	    taep->ae_u.term.start = vim_strsave(aep->ae_u.term.start);
+	if (aep->ae_u.term.stop == NULL)
+	    taep->ae_u.term.stop = NULL;
+	else
+	    taep->ae_u.term.stop = vim_strsave(aep->ae_u.term.stop);
+    }
+    else if (table == &cterm_attr_table)
+    {
+	taep->ae_u.cterm.fg_color = aep->ae_u.cterm.fg_color;
+	taep->ae_u.cterm.bg_color = aep->ae_u.cterm.bg_color;
+#ifdef FEAT_TERMGUICOLORS
+	taep->ae_u.cterm.fg_rgb = aep->ae_u.cterm.fg_rgb;
+	taep->ae_u.cterm.bg_rgb = aep->ae_u.cterm.bg_rgb;
+#endif
+    }
+    ++table->ga_len;
+    return (table->ga_len - 1 + ATTR_OFF);
+}
+
+#if defined(FEAT_TERMINAL) || defined(PROTO)
+/*
+ * Get an attribute index for a cterm entry.
+ * Uses an existing entry when possible or adds one when needed.
+ */
+    int
+get_cterm_attr_idx(int attr, int fg, int bg)
+{
+    attrentry_T		at_en;
+
+    vim_memset(&at_en, 0, sizeof(attrentry_T));
+#ifdef FEAT_TERMGUICOLORS
+    at_en.ae_u.cterm.fg_rgb = INVALCOLOR;
+    at_en.ae_u.cterm.bg_rgb = INVALCOLOR;
+#endif
+    at_en.ae_attr = attr;
+    at_en.ae_u.cterm.fg_color = fg;
+    at_en.ae_u.cterm.bg_color = bg;
+    return get_attr_entry(&cterm_attr_table, &at_en);
+}
+#endif
+
+#if (defined(FEAT_TERMINAL) && defined(FEAT_TERMGUICOLORS)) || defined(PROTO)
+/*
+ * Get an attribute index for a 'termguicolors' entry.
+ * Uses an existing entry when possible or adds one when needed.
+ */
+    int
+get_tgc_attr_idx(int attr, guicolor_T fg, guicolor_T bg)
+{
+    attrentry_T		at_en;
+
+    vim_memset(&at_en, 0, sizeof(attrentry_T));
+    at_en.ae_attr = attr;
+    if (fg == INVALCOLOR && bg == INVALCOLOR)
+    {
+	// If both GUI colors are not set fall back to the cterm colors.  Helps
+	// if the GUI only has an attribute, such as undercurl.
+	at_en.ae_u.cterm.fg_rgb = CTERMCOLOR;
+	at_en.ae_u.cterm.bg_rgb = CTERMCOLOR;
+    }
+    else
+    {
+	at_en.ae_u.cterm.fg_rgb = fg;
+	at_en.ae_u.cterm.bg_rgb = bg;
+    }
+    return get_attr_entry(&cterm_attr_table, &at_en);
+}
+#endif
+
+#if (defined(FEAT_TERMINAL) && defined(FEAT_GUI)) || defined(PROTO)
+/*
+ * Get an attribute index for a cterm entry.
+ * Uses an existing entry when possible or adds one when needed.
+ */
+    int
+get_gui_attr_idx(int attr, guicolor_T fg, guicolor_T bg)
+{
+    attrentry_T		at_en;
+
+    vim_memset(&at_en, 0, sizeof(attrentry_T));
+    at_en.ae_attr = attr;
+    at_en.ae_u.gui.fg_color = fg;
+    at_en.ae_u.gui.bg_color = bg;
+    return get_attr_entry(&gui_attr_table, &at_en);
+}
+#endif
+
+/*
+ * Clear all highlight tables.
+ */
+    void
+clear_hl_tables(void)
+{
+    int		i;
+    attrentry_T	*taep;
+
+#ifdef FEAT_GUI
+    ga_clear(&gui_attr_table);
+#endif
+    for (i = 0; i < term_attr_table.ga_len; ++i)
+    {
+	taep = &(((attrentry_T *)term_attr_table.ga_data)[i]);
+	vim_free(taep->ae_u.term.start);
+	vim_free(taep->ae_u.term.stop);
+    }
+    ga_clear(&term_attr_table);
+    ga_clear(&cterm_attr_table);
+}
+
+/*
+ * Combine special attributes (e.g., for spelling) with other attributes
+ * (e.g., for syntax highlighting).
+ * "prim_attr" overrules "char_attr".
+ * This creates a new group when required.
+ * Since we expect there to be few spelling mistakes we don't cache the
+ * result.
+ * Return the resulting attributes.
+ */
+    int
+hl_combine_attr(int char_attr, int prim_attr)
+{
+    attrentry_T *char_aep = NULL;
+    attrentry_T *spell_aep;
+    attrentry_T new_en;
+
+    if (char_attr == 0)
+	return prim_attr;
+    if (char_attr <= HL_ALL && prim_attr <= HL_ALL)
+	return ATTR_COMBINE(char_attr, prim_attr);
+#ifdef FEAT_GUI
+    if (gui.in_use)
+    {
+	if (char_attr > HL_ALL)
+	    char_aep = syn_gui_attr2entry(char_attr);
+	if (char_aep != NULL)
+	    new_en = *char_aep;
+	else
+	{
+	    vim_memset(&new_en, 0, sizeof(new_en));
+	    new_en.ae_u.gui.fg_color = INVALCOLOR;
+	    new_en.ae_u.gui.bg_color = INVALCOLOR;
+	    new_en.ae_u.gui.sp_color = INVALCOLOR;
+	    if (char_attr <= HL_ALL)
+		new_en.ae_attr = char_attr;
+	}
+
+	if (prim_attr <= HL_ALL)
+	    new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr);
+	else
+	{
+	    spell_aep = syn_gui_attr2entry(prim_attr);
+	    if (spell_aep != NULL)
+	    {
+		new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr,
+							   spell_aep->ae_attr);
+		if (spell_aep->ae_u.gui.fg_color != INVALCOLOR)
+		    new_en.ae_u.gui.fg_color = spell_aep->ae_u.gui.fg_color;
+		if (spell_aep->ae_u.gui.bg_color != INVALCOLOR)
+		    new_en.ae_u.gui.bg_color = spell_aep->ae_u.gui.bg_color;
+		if (spell_aep->ae_u.gui.sp_color != INVALCOLOR)
+		    new_en.ae_u.gui.sp_color = spell_aep->ae_u.gui.sp_color;
+		if (spell_aep->ae_u.gui.font != NOFONT)
+		    new_en.ae_u.gui.font = spell_aep->ae_u.gui.font;
+# ifdef FEAT_XFONTSET
+		if (spell_aep->ae_u.gui.fontset != NOFONTSET)
+		    new_en.ae_u.gui.fontset = spell_aep->ae_u.gui.fontset;
+# endif
+	    }
+	}
+	return get_attr_entry(&gui_attr_table, &new_en);
+    }
+#endif
+
+    if (IS_CTERM)
+    {
+	if (char_attr > HL_ALL)
+	    char_aep = syn_cterm_attr2entry(char_attr);
+	if (char_aep != NULL)
+	    new_en = *char_aep;
+	else
+	{
+	    vim_memset(&new_en, 0, sizeof(new_en));
+#ifdef FEAT_TERMGUICOLORS
+	    new_en.ae_u.cterm.bg_rgb = INVALCOLOR;
+	    new_en.ae_u.cterm.fg_rgb = INVALCOLOR;
+#endif
+	    if (char_attr <= HL_ALL)
+		new_en.ae_attr = char_attr;
+	}
+
+	if (prim_attr <= HL_ALL)
+		new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr);
+	else
+	{
+	    spell_aep = syn_cterm_attr2entry(prim_attr);
+	    if (spell_aep != NULL)
+	    {
+		new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr,
+							   spell_aep->ae_attr);
+		if (spell_aep->ae_u.cterm.fg_color > 0)
+		    new_en.ae_u.cterm.fg_color = spell_aep->ae_u.cterm.fg_color;
+		if (spell_aep->ae_u.cterm.bg_color > 0)
+		    new_en.ae_u.cterm.bg_color = spell_aep->ae_u.cterm.bg_color;
+#ifdef FEAT_TERMGUICOLORS
+		// If both fg and bg are not set fall back to cterm colors.
+		// Helps for SpellBad which uses undercurl in the GUI.
+		if (COLOR_INVALID(spell_aep->ae_u.cterm.fg_rgb)
+			&& COLOR_INVALID(spell_aep->ae_u.cterm.bg_rgb))
+		{
+		    if (spell_aep->ae_u.cterm.fg_color > 0)
+			new_en.ae_u.cterm.fg_rgb = CTERMCOLOR;
+		    if (spell_aep->ae_u.cterm.bg_color > 0)
+			new_en.ae_u.cterm.bg_rgb = CTERMCOLOR;
+		}
+		else
+		{
+		    if (spell_aep->ae_u.cterm.fg_rgb != INVALCOLOR)
+			new_en.ae_u.cterm.fg_rgb = spell_aep->ae_u.cterm.fg_rgb;
+		    if (spell_aep->ae_u.cterm.bg_rgb != INVALCOLOR)
+			new_en.ae_u.cterm.bg_rgb = spell_aep->ae_u.cterm.bg_rgb;
+		}
+#endif
+	    }
+	}
+	return get_attr_entry(&cterm_attr_table, &new_en);
+    }
+
+    if (char_attr > HL_ALL)
+	char_aep = syn_term_attr2entry(char_attr);
+    if (char_aep != NULL)
+	new_en = *char_aep;
+    else
+    {
+	vim_memset(&new_en, 0, sizeof(new_en));
+	if (char_attr <= HL_ALL)
+	    new_en.ae_attr = char_attr;
+    }
+
+    if (prim_attr <= HL_ALL)
+	new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr);
+    else
+    {
+	spell_aep = syn_term_attr2entry(prim_attr);
+	if (spell_aep != NULL)
+	{
+	    new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, spell_aep->ae_attr);
+	    if (spell_aep->ae_u.term.start != NULL)
+	    {
+		new_en.ae_u.term.start = spell_aep->ae_u.term.start;
+		new_en.ae_u.term.stop = spell_aep->ae_u.term.stop;
+	    }
+	}
+    }
+    return get_attr_entry(&term_attr_table, &new_en);
+}
+
+#ifdef FEAT_GUI
+    attrentry_T *
+syn_gui_attr2entry(int attr)
+{
+    attr -= ATTR_OFF;
+    if (attr >= gui_attr_table.ga_len)	    // did ":syntax clear"
+	return NULL;
+    return &(GUI_ATTR_ENTRY(attr));
+}
+#endif
+
+/*
+ * Get the highlight attributes (HL_BOLD etc.) from an attribute nr.
+ * Only to be used when "attr" > HL_ALL.
+ */
+    int
+syn_attr2attr(int attr)
+{
+    attrentry_T	*aep;
+
+#ifdef FEAT_GUI
+    if (gui.in_use)
+	aep = syn_gui_attr2entry(attr);
+    else
+#endif
+	if (IS_CTERM)
+	    aep = syn_cterm_attr2entry(attr);
+	else
+	    aep = syn_term_attr2entry(attr);
+
+    if (aep == NULL)	    // highlighting not set
+	return 0;
+    return aep->ae_attr;
+}
+
+
+    attrentry_T *
+syn_term_attr2entry(int attr)
+{
+    attr -= ATTR_OFF;
+    if (attr >= term_attr_table.ga_len)	    // did ":syntax clear"
+	return NULL;
+    return &(TERM_ATTR_ENTRY(attr));
+}
+
+    attrentry_T *
+syn_cterm_attr2entry(int attr)
+{
+    attr -= ATTR_OFF;
+    if (attr >= cterm_attr_table.ga_len)	// did ":syntax clear"
+	return NULL;
+    return &(CTERM_ATTR_ENTRY(attr));
+}
+
+#define LIST_ATTR   1
+#define LIST_STRING 2
+#define LIST_INT    3
+
+    static void
+highlight_list_one(int id)
+{
+    hl_group_T	    *sgp;
+    int		    didh = FALSE;
+
+    sgp = &HL_TABLE()[id - 1];	    // index is ID minus one
+
+    if (message_filtered(sgp->sg_name))
+	return;
+
+    didh = highlight_list_arg(id, didh, LIST_ATTR,
+				    sgp->sg_term, NULL, "term");
+    didh = highlight_list_arg(id, didh, LIST_STRING,
+				    0, sgp->sg_start, "start");
+    didh = highlight_list_arg(id, didh, LIST_STRING,
+				    0, sgp->sg_stop, "stop");
+
+    didh = highlight_list_arg(id, didh, LIST_ATTR,
+				    sgp->sg_cterm, NULL, "cterm");
+    didh = highlight_list_arg(id, didh, LIST_INT,
+				    sgp->sg_cterm_fg, NULL, "ctermfg");
+    didh = highlight_list_arg(id, didh, LIST_INT,
+				    sgp->sg_cterm_bg, NULL, "ctermbg");
+
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+    didh = highlight_list_arg(id, didh, LIST_ATTR,
+				    sgp->sg_gui, NULL, "gui");
+    didh = highlight_list_arg(id, didh, LIST_STRING,
+				    0, sgp->sg_gui_fg_name, "guifg");
+    didh = highlight_list_arg(id, didh, LIST_STRING,
+				    0, sgp->sg_gui_bg_name, "guibg");
+    didh = highlight_list_arg(id, didh, LIST_STRING,
+				    0, sgp->sg_gui_sp_name, "guisp");
+#endif
+#ifdef FEAT_GUI
+    didh = highlight_list_arg(id, didh, LIST_STRING,
+				    0, sgp->sg_font_name, "font");
+#endif
+
+    if (sgp->sg_link && !got_int)
+    {
+	(void)syn_list_header(didh, 9999, id);
+	didh = TRUE;
+	msg_puts_attr("links to", HL_ATTR(HLF_D));
+	msg_putchar(' ');
+	msg_outtrans(HL_TABLE()[HL_TABLE()[id - 1].sg_link - 1].sg_name);
+    }
+
+    if (!didh)
+	highlight_list_arg(id, didh, LIST_STRING, 0, (char_u *)"cleared", "");
+#ifdef FEAT_EVAL
+    if (p_verbose > 0)
+	last_set_msg(sgp->sg_script_ctx);
+#endif
+}
+
+    static int
+highlight_list_arg(
+    int		id,
+    int		didh,
+    int		type,
+    int		iarg,
+    char_u	*sarg,
+    char	*name)
+{
+    char_u	buf[100];
+    char_u	*ts;
+    int		i;
+
+    if (got_int)
+	return FALSE;
+    if (type == LIST_STRING ? (sarg != NULL) : (iarg != 0))
+    {
+	ts = buf;
+	if (type == LIST_INT)
+	    sprintf((char *)buf, "%d", iarg - 1);
+	else if (type == LIST_STRING)
+	    ts = sarg;
+	else // type == LIST_ATTR
+	{
+	    buf[0] = NUL;
+	    for (i = 0; hl_attr_table[i] != 0; ++i)
+	    {
+		if (iarg & hl_attr_table[i])
+		{
+		    if (buf[0] != NUL)
+			vim_strcat(buf, (char_u *)",", 100);
+		    vim_strcat(buf, (char_u *)hl_name_table[i], 100);
+		    iarg &= ~hl_attr_table[i];	    // don't want "inverse"
+		}
+	    }
+	}
+
+	(void)syn_list_header(didh,
+			       (int)(vim_strsize(ts) + STRLEN(name) + 1), id);
+	didh = TRUE;
+	if (!got_int)
+	{
+	    if (*name != NUL)
+	    {
+		msg_puts_attr(name, HL_ATTR(HLF_D));
+		msg_puts_attr("=", HL_ATTR(HLF_D));
+	    }
+	    msg_outtrans(ts);
+	}
+    }
+    return didh;
+}
+
+#if (((defined(FEAT_EVAL) || defined(FEAT_PRINTER))) && defined(FEAT_SYN_HL)) || defined(PROTO)
+/*
+ * Return "1" if highlight group "id" has attribute "flag".
+ * Return NULL otherwise.
+ */
+    char_u *
+highlight_has_attr(
+    int		id,
+    int		flag,
+    int		modec)	// 'g' for GUI, 'c' for cterm, 't' for term
+{
+    int		attr;
+
+    if (id <= 0 || id > highlight_ga.ga_len)
+	return NULL;
+
+#if defined(FEAT_GUI) || defined(FEAT_EVAL)
+    if (modec == 'g')
+	attr = HL_TABLE()[id - 1].sg_gui;
+    else
+#endif
+	 if (modec == 'c')
+	attr = HL_TABLE()[id - 1].sg_cterm;
+    else
+	attr = HL_TABLE()[id - 1].sg_term;
+
+    if (attr & flag)
+	return (char_u *)"1";
+    return NULL;
+}
+#endif
+
+#if (defined(FEAT_SYN_HL) && defined(FEAT_EVAL)) || defined(PROTO)
+/*
+ * Return color name of highlight group "id".
+ */
+    char_u *
+highlight_color(
+    int		id,
+    char_u	*what,	// "font", "fg", "bg", "sp", "fg#", "bg#" or "sp#"
+    int		modec)	// 'g' for GUI, 'c' for cterm, 't' for term
+{
+    static char_u	name[20];
+    int			n;
+    int			fg = FALSE;
+    int			sp = FALSE;
+    int			font = FALSE;
+
+    if (id <= 0 || id > highlight_ga.ga_len)
+	return NULL;
+
+    if (TOLOWER_ASC(what[0]) == 'f' && TOLOWER_ASC(what[1]) == 'g')
+	fg = TRUE;
+    else if (TOLOWER_ASC(what[0]) == 'f' && TOLOWER_ASC(what[1]) == 'o'
+	     && TOLOWER_ASC(what[2]) == 'n' && TOLOWER_ASC(what[3]) == 't')
+	font = TRUE;
+    else if (TOLOWER_ASC(what[0]) == 's' && TOLOWER_ASC(what[1]) == 'p')
+	sp = TRUE;
+    else if (!(TOLOWER_ASC(what[0]) == 'b' && TOLOWER_ASC(what[1]) == 'g'))
+	return NULL;
+    if (modec == 'g')
+    {
+# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+#  ifdef FEAT_GUI
+	// return font name
+	if (font)
+	    return HL_TABLE()[id - 1].sg_font_name;
+#  endif
+
+	// return #RRGGBB form (only possible when GUI is running)
+	if ((USE_24BIT) && what[2] == '#')
+	{
+	    guicolor_T		color;
+	    long_u		rgb;
+	    static char_u	buf[10];
+
+	    if (fg)
+		color = HL_TABLE()[id - 1].sg_gui_fg;
+	    else if (sp)
+#  ifdef FEAT_GUI
+		color = HL_TABLE()[id - 1].sg_gui_sp;
+#  else
+		color = INVALCOLOR;
+#  endif
+	    else
+		color = HL_TABLE()[id - 1].sg_gui_bg;
+	    if (color == INVALCOLOR)
+		return NULL;
+	    rgb = (long_u)GUI_MCH_GET_RGB(color);
+	    sprintf((char *)buf, "#%02x%02x%02x",
+				      (unsigned)(rgb >> 16),
+				      (unsigned)(rgb >> 8) & 255,
+				      (unsigned)rgb & 255);
+	    return buf;
+	}
+# endif
+	if (fg)
+	    return (HL_TABLE()[id - 1].sg_gui_fg_name);
+	if (sp)
+	    return (HL_TABLE()[id - 1].sg_gui_sp_name);
+	return (HL_TABLE()[id - 1].sg_gui_bg_name);
+    }
+    if (font || sp)
+	return NULL;
+    if (modec == 'c')
+    {
+	if (fg)
+	    n = HL_TABLE()[id - 1].sg_cterm_fg - 1;
+	else
+	    n = HL_TABLE()[id - 1].sg_cterm_bg - 1;
+	if (n < 0)
+	    return NULL;
+	sprintf((char *)name, "%d", n);
+	return name;
+    }
+    // term doesn't have color
+    return NULL;
+}
+#endif
+
+#if (defined(FEAT_SYN_HL) \
+	    && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)) \
+	&& defined(FEAT_PRINTER)) || defined(PROTO)
+/*
+ * Return color name of highlight group "id" as RGB value.
+ */
+    long_u
+highlight_gui_color_rgb(
+    int		id,
+    int		fg)	// TRUE = fg, FALSE = bg
+{
+    guicolor_T	color;
+
+    if (id <= 0 || id > highlight_ga.ga_len)
+	return 0L;
+
+    if (fg)
+	color = HL_TABLE()[id - 1].sg_gui_fg;
+    else
+	color = HL_TABLE()[id - 1].sg_gui_bg;
+
+    if (color == INVALCOLOR)
+	return 0L;
+
+    return GUI_MCH_GET_RGB(color);
+}
+#endif
+
+/*
+ * Output the syntax list header.
+ * Return TRUE when started a new line.
+ */
+    int
+syn_list_header(
+    int	    did_header,		// did header already
+    int	    outlen,		// length of string that comes
+    int	    id)			// highlight group id
+{
+    int	    endcol = 19;
+    int	    newline = TRUE;
+    int	    name_col = 0;
+
+    if (!did_header)
+    {
+	msg_putchar('\n');
+	if (got_int)
+	    return TRUE;
+	msg_outtrans(HL_TABLE()[id - 1].sg_name);
+	name_col = msg_col;
+	endcol = 15;
+    }
+    else if (msg_col + outlen + 1 >= Columns)
+    {
+	msg_putchar('\n');
+	if (got_int)
+	    return TRUE;
+    }
+    else
+    {
+	if (msg_col >= endcol)	// wrap around is like starting a new line
+	    newline = FALSE;
+    }
+
+    if (msg_col >= endcol)	// output at least one space
+	endcol = msg_col + 1;
+    if (Columns <= endcol)	// avoid hang for tiny window
+	endcol = Columns - 1;
+
+    msg_advance(endcol);
+
+    // Show "xxx" with the attributes.
+    if (!did_header)
+    {
+	if (endcol == Columns - 1 && endcol <= name_col)
+	    msg_putchar(' ');
+	msg_puts_attr("xxx", syn_id2attr(id));
+	msg_putchar(' ');
+    }
+
+    return newline;
+}
+
+/*
+ * Set the attribute numbers for a highlight group.
+ * Called after one of the attributes has changed.
+ */
+    static void
+set_hl_attr(
+    int		idx)	    // index in array
+{
+    attrentry_T	    at_en;
+    hl_group_T	    *sgp = HL_TABLE() + idx;
+
+    // The "Normal" group doesn't need an attribute number
+    if (sgp->sg_name_u != NULL && STRCMP(sgp->sg_name_u, "NORMAL") == 0)
+	return;
+
+#ifdef FEAT_GUI
+    /*
+     * For the GUI mode: If there are other than "normal" highlighting
+     * attributes, need to allocate an attr number.
+     */
+    if (sgp->sg_gui_fg == INVALCOLOR
+	    && sgp->sg_gui_bg == INVALCOLOR
+	    && sgp->sg_gui_sp == INVALCOLOR
+	    && sgp->sg_font == NOFONT
+# ifdef FEAT_XFONTSET
+	    && sgp->sg_fontset == NOFONTSET
+# endif
+	    )
+    {
+	sgp->sg_gui_attr = sgp->sg_gui;
+    }
+    else
+    {
+	at_en.ae_attr = sgp->sg_gui;
+	at_en.ae_u.gui.fg_color = sgp->sg_gui_fg;
+	at_en.ae_u.gui.bg_color = sgp->sg_gui_bg;
+	at_en.ae_u.gui.sp_color = sgp->sg_gui_sp;
+	at_en.ae_u.gui.font = sgp->sg_font;
+# ifdef FEAT_XFONTSET
+	at_en.ae_u.gui.fontset = sgp->sg_fontset;
+# endif
+	sgp->sg_gui_attr = get_attr_entry(&gui_attr_table, &at_en);
+    }
+#endif
+    /*
+     * For the term mode: If there are other than "normal" highlighting
+     * attributes, need to allocate an attr number.
+     */
+    if (sgp->sg_start == NULL && sgp->sg_stop == NULL)
+	sgp->sg_term_attr = sgp->sg_term;
+    else
+    {
+	at_en.ae_attr = sgp->sg_term;
+	at_en.ae_u.term.start = sgp->sg_start;
+	at_en.ae_u.term.stop = sgp->sg_stop;
+	sgp->sg_term_attr = get_attr_entry(&term_attr_table, &at_en);
+    }
+
+    /*
+     * For the color term mode: If there are other than "normal"
+     * highlighting attributes, need to allocate an attr number.
+     */
+    if (sgp->sg_cterm_fg == 0 && sgp->sg_cterm_bg == 0
+# ifdef FEAT_TERMGUICOLORS
+	    && sgp->sg_gui_fg == INVALCOLOR
+	    && sgp->sg_gui_bg == INVALCOLOR
+# endif
+	    )
+	sgp->sg_cterm_attr = sgp->sg_cterm;
+    else
+    {
+	at_en.ae_attr = sgp->sg_cterm;
+	at_en.ae_u.cterm.fg_color = sgp->sg_cterm_fg;
+	at_en.ae_u.cterm.bg_color = sgp->sg_cterm_bg;
+# ifdef FEAT_TERMGUICOLORS
+#  ifdef MSWIN
+#   ifdef VIMDLL
+	// Only when not using the GUI.
+	if (!gui.in_use && !gui.starting)
+#   endif
+	{
+	    int id;
+	    guicolor_T fg, bg;
+
+	    id = syn_name2id((char_u *)"Normal");
+	    if (id > 0)
+	    {
+		syn_id2colors(id, &fg, &bg);
+		if (sgp->sg_gui_fg == INVALCOLOR)
+		    sgp->sg_gui_fg = fg;
+		if (sgp->sg_gui_bg == INVALCOLOR)
+		    sgp->sg_gui_bg = bg;
+	    }
+
+	}
+#  endif
+	at_en.ae_u.cterm.fg_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_fg);
+	at_en.ae_u.cterm.bg_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_bg);
+	if (at_en.ae_u.cterm.fg_rgb == INVALCOLOR
+		&& at_en.ae_u.cterm.bg_rgb == INVALCOLOR)
+	{
+	    // If both fg and bg are invalid fall back to the cterm colors.
+	    // Helps when the GUI only uses an attribute, e.g. undercurl.
+	    at_en.ae_u.cterm.fg_rgb = CTERMCOLOR;
+	    at_en.ae_u.cterm.bg_rgb = CTERMCOLOR;
+	}
+# endif
+	sgp->sg_cterm_attr = get_attr_entry(&cterm_attr_table, &at_en);
+    }
+}
+
+/*
+ * Lookup a highlight group name and return its ID.
+ * If it is not found, 0 is returned.
+ */
+    int
+syn_name2id(char_u *name)
+{
+    int		i;
+    char_u	name_u[200];
+
+    // Avoid using stricmp() too much, it's slow on some systems
+    // Avoid alloc()/free(), these are slow too.  ID names over 200 chars
+    // don't deserve to be found!
+    vim_strncpy(name_u, name, 199);
+    vim_strup(name_u);
+    for (i = highlight_ga.ga_len; --i >= 0; )
+	if (HL_TABLE()[i].sg_name_u != NULL
+		&& STRCMP(name_u, HL_TABLE()[i].sg_name_u) == 0)
+	    break;
+    return i + 1;
+}
+
+/*
+ * Lookup a highlight group name and return its attributes.
+ * Return zero if not found.
+ */
+    int
+syn_name2attr(char_u *name)
+{
+    int id = syn_name2id(name);
+
+    if (id != 0)
+	return syn_id2attr(id);
+    return 0;
+}
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Return TRUE if highlight group "name" exists.
+ */
+    int
+highlight_exists(char_u *name)
+{
+    return (syn_name2id(name) > 0);
+}
+
+# if defined(FEAT_SEARCH_EXTRA) || defined(PROTO)
+/*
+ * Return the name of highlight group "id".
+ * When not a valid ID return an empty string.
+ */
+    char_u *
+syn_id2name(int id)
+{
+    if (id <= 0 || id > highlight_ga.ga_len)
+	return (char_u *)"";
+    return HL_TABLE()[id - 1].sg_name;
+}
+# endif
+#endif
+
+/*
+ * Like syn_name2id(), but take a pointer + length argument.
+ */
+    int
+syn_namen2id(char_u *linep, int len)
+{
+    char_u  *name;
+    int	    id = 0;
+
+    name = vim_strnsave(linep, len);
+    if (name != NULL)
+    {
+	id = syn_name2id(name);
+	vim_free(name);
+    }
+    return id;
+}
+
+/*
+ * Find highlight group name in the table and return its ID.
+ * The argument is a pointer to the name and the length of the name.
+ * If it doesn't exist yet, a new entry is created.
+ * Return 0 for failure.
+ */
+    int
+syn_check_group(char_u *pp, int len)
+{
+    int	    id;
+    char_u  *name;
+
+    name = vim_strnsave(pp, len);
+    if (name == NULL)
+	return 0;
+
+    id = syn_name2id(name);
+    if (id == 0)			// doesn't exist yet
+	id = syn_add_group(name);
+    else
+	vim_free(name);
+    return id;
+}
+
+/*
+ * Add new highlight group and return its ID.
+ * "name" must be an allocated string, it will be consumed.
+ * Return 0 for failure.
+ */
+    static int
+syn_add_group(char_u *name)
+{
+    char_u	*p;
+
+    // Check that the name is ASCII letters, digits and underscore.
+    for (p = name; *p != NUL; ++p)
+    {
+	if (!vim_isprintc(*p))
+	{
+	    emsg(_("E669: Unprintable character in group name"));
+	    vim_free(name);
+	    return 0;
+	}
+	else if (!ASCII_ISALNUM(*p) && *p != '_')
+	{
+	    // This is an error, but since there previously was no check only
+	    // give a warning.
+	    msg_source(HL_ATTR(HLF_W));
+	    msg(_("W18: Invalid character in group name"));
+	    break;
+	}
+    }
+
+    /*
+     * First call for this growarray: init growing array.
+     */
+    if (highlight_ga.ga_data == NULL)
+    {
+	highlight_ga.ga_itemsize = sizeof(hl_group_T);
+	highlight_ga.ga_growsize = 10;
+    }
+
+    if (highlight_ga.ga_len >= MAX_HL_ID)
+    {
+	emsg(_("E849: Too many highlight and syntax groups"));
+	vim_free(name);
+	return 0;
+    }
+
+    /*
+     * Make room for at least one other syntax_highlight entry.
+     */
+    if (ga_grow(&highlight_ga, 1) == FAIL)
+    {
+	vim_free(name);
+	return 0;
+    }
+
+    vim_memset(&(HL_TABLE()[highlight_ga.ga_len]), 0, sizeof(hl_group_T));
+    HL_TABLE()[highlight_ga.ga_len].sg_name = name;
+    HL_TABLE()[highlight_ga.ga_len].sg_name_u = vim_strsave_up(name);
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+    HL_TABLE()[highlight_ga.ga_len].sg_gui_bg = INVALCOLOR;
+    HL_TABLE()[highlight_ga.ga_len].sg_gui_fg = INVALCOLOR;
+# ifdef FEAT_GUI
+    HL_TABLE()[highlight_ga.ga_len].sg_gui_sp = INVALCOLOR;
+# endif
+#endif
+    ++highlight_ga.ga_len;
+
+    return highlight_ga.ga_len;		    // ID is index plus one
+}
+
+/*
+ * When, just after calling syn_add_group(), an error is discovered, this
+ * function deletes the new name.
+ */
+    static void
+syn_unadd_group(void)
+{
+    --highlight_ga.ga_len;
+    vim_free(HL_TABLE()[highlight_ga.ga_len].sg_name);
+    vim_free(HL_TABLE()[highlight_ga.ga_len].sg_name_u);
+}
+
+/*
+ * Translate a group ID to highlight attributes.
+ */
+    int
+syn_id2attr(int hl_id)
+{
+    int		attr;
+    hl_group_T	*sgp;
+
+    hl_id = syn_get_final_id(hl_id);
+    sgp = &HL_TABLE()[hl_id - 1];	    // index is ID minus one
+
+#ifdef FEAT_GUI
+    /*
+     * Only use GUI attr when the GUI is being used.
+     */
+    if (gui.in_use)
+	attr = sgp->sg_gui_attr;
+    else
+#endif
+	if (IS_CTERM)
+	    attr = sgp->sg_cterm_attr;
+	else
+	    attr = sgp->sg_term_attr;
+
+    return attr;
+}
+
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
+/*
+ * Get the GUI colors and attributes for a group ID.
+ * NOTE: the colors will be INVALCOLOR when not set, the color otherwise.
+ */
+    int
+syn_id2colors(int hl_id, guicolor_T *fgp, guicolor_T *bgp)
+{
+    hl_group_T	*sgp;
+
+    hl_id = syn_get_final_id(hl_id);
+    sgp = &HL_TABLE()[hl_id - 1];	    // index is ID minus one
+
+    *fgp = sgp->sg_gui_fg;
+    *bgp = sgp->sg_gui_bg;
+    return sgp->sg_gui;
+}
+#endif
+
+#if (defined(MSWIN) \
+	&& (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL)) \
+	&& defined(FEAT_TERMGUICOLORS)) || defined(PROTO)
+    void
+syn_id2cterm_bg(int hl_id, int *fgp, int *bgp)
+{
+    hl_group_T	*sgp;
+
+    hl_id = syn_get_final_id(hl_id);
+    sgp = &HL_TABLE()[hl_id - 1];	    // index is ID minus one
+    *fgp = sgp->sg_cterm_fg - 1;
+    *bgp = sgp->sg_cterm_bg - 1;
+}
+#endif
+
+/*
+ * Translate a group ID to the final group ID (following links).
+ */
+    int
+syn_get_final_id(int hl_id)
+{
+    int		count;
+    hl_group_T	*sgp;
+
+    if (hl_id > highlight_ga.ga_len || hl_id < 1)
+	return 0;			// Can be called from eval!!
+
+    /*
+     * Follow links until there is no more.
+     * Look out for loops!  Break after 100 links.
+     */
+    for (count = 100; --count >= 0; )
+    {
+	sgp = &HL_TABLE()[hl_id - 1];	    // index is ID minus one
+	if (sgp->sg_link == 0 || sgp->sg_link > highlight_ga.ga_len)
+	    break;
+	hl_id = sgp->sg_link;
+    }
+
+    return hl_id;
+}
+
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
+/*
+ * Call this function just after the GUI has started.
+ * Also called when 'termguicolors' was set, gui.in_use will be FALSE then.
+ * It finds the font and color handles for the highlighting groups.
+ */
+    void
+highlight_gui_started(void)
+{
+    int	    idx;
+
+    // First get the colors from the "Normal" and "Menu" group, if set
+    if (USE_24BIT)
+	set_normal_colors();
+
+    for (idx = 0; idx < highlight_ga.ga_len; ++idx)
+	gui_do_one_color(idx, FALSE, FALSE);
+
+    highlight_changed();
+}
+
+    static void
+gui_do_one_color(
+    int		idx,
+    int		do_menu UNUSED,	   // TRUE: might set the menu font
+    int		do_tooltip UNUSED) // TRUE: might set the tooltip font
+{
+    int		didit = FALSE;
+
+# ifdef FEAT_GUI
+#  ifdef FEAT_TERMGUICOLORS
+    if (gui.in_use)
+#  endif
+	if (HL_TABLE()[idx].sg_font_name != NULL)
+	{
+	    hl_do_font(idx, HL_TABLE()[idx].sg_font_name, FALSE, do_menu,
+							    do_tooltip, TRUE);
+	    didit = TRUE;
+	}
+# endif
+    if (HL_TABLE()[idx].sg_gui_fg_name != NULL)
+    {
+	HL_TABLE()[idx].sg_gui_fg =
+			    color_name2handle(HL_TABLE()[idx].sg_gui_fg_name);
+	didit = TRUE;
+    }
+    if (HL_TABLE()[idx].sg_gui_bg_name != NULL)
+    {
+	HL_TABLE()[idx].sg_gui_bg =
+			    color_name2handle(HL_TABLE()[idx].sg_gui_bg_name);
+	didit = TRUE;
+    }
+# ifdef FEAT_GUI
+    if (HL_TABLE()[idx].sg_gui_sp_name != NULL)
+    {
+	HL_TABLE()[idx].sg_gui_sp =
+			    color_name2handle(HL_TABLE()[idx].sg_gui_sp_name);
+	didit = TRUE;
+    }
+# endif
+    if (didit)	// need to get a new attr number
+	set_hl_attr(idx);
+}
+#endif
+
+#if defined(USER_HIGHLIGHT) && defined(FEAT_STL_OPT)
+/*
+ * Apply difference between User[1-9] and HLF_S to HLF_SNC, HLF_ST or HLF_STNC.
+ */
+    static void
+combine_stl_hlt(
+	int id,
+	int id_S,
+	int id_alt,
+	int hlcnt,
+	int i,
+	int hlf,
+	int *table)
+{
+    hl_group_T *hlt = HL_TABLE();
+
+    if (id_alt == 0)
+    {
+	vim_memset(&hlt[hlcnt + i], 0, sizeof(hl_group_T));
+	hlt[hlcnt + i].sg_term = highlight_attr[hlf];
+	hlt[hlcnt + i].sg_cterm = highlight_attr[hlf];
+#  if defined(FEAT_GUI) || defined(FEAT_EVAL)
+	hlt[hlcnt + i].sg_gui = highlight_attr[hlf];
+#  endif
+    }
+    else
+	mch_memmove(&hlt[hlcnt + i],
+		    &hlt[id_alt - 1],
+		    sizeof(hl_group_T));
+    hlt[hlcnt + i].sg_link = 0;
+
+    hlt[hlcnt + i].sg_term ^=
+	hlt[id - 1].sg_term ^ hlt[id_S - 1].sg_term;
+    if (hlt[id - 1].sg_start != hlt[id_S - 1].sg_start)
+	hlt[hlcnt + i].sg_start = hlt[id - 1].sg_start;
+    if (hlt[id - 1].sg_stop != hlt[id_S - 1].sg_stop)
+	hlt[hlcnt + i].sg_stop = hlt[id - 1].sg_stop;
+    hlt[hlcnt + i].sg_cterm ^=
+	hlt[id - 1].sg_cterm ^ hlt[id_S - 1].sg_cterm;
+    if (hlt[id - 1].sg_cterm_fg != hlt[id_S - 1].sg_cterm_fg)
+	hlt[hlcnt + i].sg_cterm_fg = hlt[id - 1].sg_cterm_fg;
+    if (hlt[id - 1].sg_cterm_bg != hlt[id_S - 1].sg_cterm_bg)
+	hlt[hlcnt + i].sg_cterm_bg = hlt[id - 1].sg_cterm_bg;
+#  if defined(FEAT_GUI) || defined(FEAT_EVAL)
+    hlt[hlcnt + i].sg_gui ^=
+	hlt[id - 1].sg_gui ^ hlt[id_S - 1].sg_gui;
+#  endif
+#  ifdef FEAT_GUI
+    if (hlt[id - 1].sg_gui_fg != hlt[id_S - 1].sg_gui_fg)
+	hlt[hlcnt + i].sg_gui_fg = hlt[id - 1].sg_gui_fg;
+    if (hlt[id - 1].sg_gui_bg != hlt[id_S - 1].sg_gui_bg)
+	hlt[hlcnt + i].sg_gui_bg = hlt[id - 1].sg_gui_bg;
+    if (hlt[id - 1].sg_gui_sp != hlt[id_S - 1].sg_gui_sp)
+	hlt[hlcnt + i].sg_gui_sp = hlt[id - 1].sg_gui_sp;
+    if (hlt[id - 1].sg_font != hlt[id_S - 1].sg_font)
+	hlt[hlcnt + i].sg_font = hlt[id - 1].sg_font;
+#   ifdef FEAT_XFONTSET
+    if (hlt[id - 1].sg_fontset != hlt[id_S - 1].sg_fontset)
+	hlt[hlcnt + i].sg_fontset = hlt[id - 1].sg_fontset;
+#   endif
+#  endif
+    highlight_ga.ga_len = hlcnt + i + 1;
+    set_hl_attr(hlcnt + i);	// At long last we can apply
+    table[i] = syn_id2attr(hlcnt + i + 1);
+}
+#endif
+
+/*
+ * Translate the 'highlight' option into attributes in highlight_attr[] and
+ * set up the user highlights User1..9.  If FEAT_STL_OPT is in use, a set of
+ * corresponding highlights to use on top of HLF_SNC is computed.
+ * Called only when the 'highlight' option has been changed and upon first
+ * screen redraw after any :highlight command.
+ * Return FAIL when an invalid flag is found in 'highlight'.  OK otherwise.
+ */
+    int
+highlight_changed(void)
+{
+    int		hlf;
+    int		i;
+    char_u	*p;
+    int		attr;
+    char_u	*end;
+    int		id;
+#ifdef USER_HIGHLIGHT
+    char_u      userhl[30];  // use 30 to avoid compiler warning
+# ifdef FEAT_STL_OPT
+    int		id_S = -1;
+    int		id_SNC = 0;
+#  ifdef FEAT_TERMINAL
+    int		id_ST = 0;
+    int		id_STNC = 0;
+#  endif
+    int		hlcnt;
+# endif
+#endif
+    static int	hl_flags[HLF_COUNT] = HL_FLAGS;
+
+    need_highlight_changed = FALSE;
+
+    /*
+     * Clear all attributes.
+     */
+    for (hlf = 0; hlf < (int)HLF_COUNT; ++hlf)
+	highlight_attr[hlf] = 0;
+
+    /*
+     * First set all attributes to their default value.
+     * Then use the attributes from the 'highlight' option.
+     */
+    for (i = 0; i < 2; ++i)
+    {
+	if (i)
+	    p = p_hl;
+	else
+	    p = get_highlight_default();
+	if (p == NULL)	    // just in case
+	    continue;
+
+	while (*p)
+	{
+	    for (hlf = 0; hlf < (int)HLF_COUNT; ++hlf)
+		if (hl_flags[hlf] == *p)
+		    break;
+	    ++p;
+	    if (hlf == (int)HLF_COUNT || *p == NUL)
+		return FAIL;
+
+	    /*
+	     * Allow several hl_flags to be combined, like "bu" for
+	     * bold-underlined.
+	     */
+	    attr = 0;
+	    for ( ; *p && *p != ','; ++p)	    // parse upto comma
+	    {
+		if (VIM_ISWHITE(*p))		    // ignore white space
+		    continue;
+
+		if (attr > HL_ALL)  // Combination with ':' is not allowed.
+		    return FAIL;
+
+		switch (*p)
+		{
+		    case 'b':	attr |= HL_BOLD;
+				break;
+		    case 'i':	attr |= HL_ITALIC;
+				break;
+		    case '-':
+		    case 'n':			    // no highlighting
+				break;
+		    case 'r':	attr |= HL_INVERSE;
+				break;
+		    case 's':	attr |= HL_STANDOUT;
+				break;
+		    case 'u':	attr |= HL_UNDERLINE;
+				break;
+		    case 'c':	attr |= HL_UNDERCURL;
+				break;
+		    case 't':	attr |= HL_STRIKETHROUGH;
+				break;
+		    case ':':	++p;		    // highlight group name
+				if (attr || *p == NUL)	 // no combinations
+				    return FAIL;
+				end = vim_strchr(p, ',');
+				if (end == NULL)
+				    end = p + STRLEN(p);
+				id = syn_check_group(p, (int)(end - p));
+				if (id == 0)
+				    return FAIL;
+				attr = syn_id2attr(id);
+				p = end - 1;
+#if defined(FEAT_STL_OPT) && defined(USER_HIGHLIGHT)
+				if (hlf == (int)HLF_SNC)
+				    id_SNC = syn_get_final_id(id);
+# ifdef FEAT_TERMINAL
+				else if (hlf == (int)HLF_ST)
+				    id_ST = syn_get_final_id(id);
+				else if (hlf == (int)HLF_STNC)
+				    id_STNC = syn_get_final_id(id);
+# endif
+				else if (hlf == (int)HLF_S)
+				    id_S = syn_get_final_id(id);
+#endif
+				break;
+		    default:	return FAIL;
+		}
+	    }
+	    highlight_attr[hlf] = attr;
+
+	    p = skip_to_option_part(p);	    // skip comma and spaces
+	}
+    }
+
+#ifdef USER_HIGHLIGHT
+    /*
+     * Setup the user highlights
+     *
+     * Temporarily utilize 28 more hl entries:
+     * 9 for User1-User9 combined with StatusLineNC
+     * 9 for User1-User9 combined with StatusLineTerm
+     * 9 for User1-User9 combined with StatusLineTermNC
+     * 1 for StatusLine default
+     * Have to be in there simultaneously in case of table overflows in
+     * get_attr_entry()
+     */
+# ifdef FEAT_STL_OPT
+    if (ga_grow(&highlight_ga, 28) == FAIL)
+	return FAIL;
+    hlcnt = highlight_ga.ga_len;
+    if (id_S == -1)
+    {
+	// Make sure id_S is always valid to simplify code below. Use the last
+	// entry.
+	vim_memset(&HL_TABLE()[hlcnt + 27], 0, sizeof(hl_group_T));
+	HL_TABLE()[hlcnt + 18].sg_term = highlight_attr[HLF_S];
+	id_S = hlcnt + 19;
+    }
+# endif
+    for (i = 0; i < 9; i++)
+    {
+	sprintf((char *)userhl, "User%d", i + 1);
+	id = syn_name2id(userhl);
+	if (id == 0)
+	{
+	    highlight_user[i] = 0;
+# ifdef FEAT_STL_OPT
+	    highlight_stlnc[i] = 0;
+#  ifdef FEAT_TERMINAL
+	    highlight_stlterm[i] = 0;
+	    highlight_stltermnc[i] = 0;
+#  endif
+# endif
+	}
+	else
+	{
+	    highlight_user[i] = syn_id2attr(id);
+# ifdef FEAT_STL_OPT
+	    combine_stl_hlt(id, id_S, id_SNC, hlcnt, i,
+						     HLF_SNC, highlight_stlnc);
+#  ifdef FEAT_TERMINAL
+	    combine_stl_hlt(id, id_S, id_ST, hlcnt + 9, i,
+						    HLF_ST, highlight_stlterm);
+	    combine_stl_hlt(id, id_S, id_STNC, hlcnt + 18, i,
+						HLF_STNC, highlight_stltermnc);
+#  endif
+# endif
+	}
+    }
+# ifdef FEAT_STL_OPT
+    highlight_ga.ga_len = hlcnt;
+# endif
+
+#endif // USER_HIGHLIGHT
+
+    return OK;
+}
+
+#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
+
+static void highlight_list(void);
+static void highlight_list_two(int cnt, int attr);
+
+/*
+ * Handle command line completion for :highlight command.
+ */
+    void
+set_context_in_highlight_cmd(expand_T *xp, char_u *arg)
+{
+    char_u	*p;
+
+    // Default: expand group names
+    xp->xp_context = EXPAND_HIGHLIGHT;
+    xp->xp_pattern = arg;
+    include_link = 2;
+    include_default = 1;
+
+    // (part of) subcommand already typed
+    if (*arg != NUL)
+    {
+	p = skiptowhite(arg);
+	if (*p != NUL)			// past "default" or group name
+	{
+	    include_default = 0;
+	    if (STRNCMP("default", arg, p - arg) == 0)
+	    {
+		arg = skipwhite(p);
+		xp->xp_pattern = arg;
+		p = skiptowhite(arg);
+	    }
+	    if (*p != NUL)			// past group name
+	    {
+		include_link = 0;
+		if (arg[1] == 'i' && arg[0] == 'N')
+		    highlight_list();
+		if (STRNCMP("link", arg, p - arg) == 0
+			|| STRNCMP("clear", arg, p - arg) == 0)
+		{
+		    xp->xp_pattern = skipwhite(p);
+		    p = skiptowhite(xp->xp_pattern);
+		    if (*p != NUL)		// past first group name
+		    {
+			xp->xp_pattern = skipwhite(p);
+			p = skiptowhite(xp->xp_pattern);
+		    }
+		}
+		if (*p != NUL)			// past group name(s)
+		    xp->xp_context = EXPAND_NOTHING;
+	    }
+	}
+    }
+}
+
+/*
+ * List highlighting matches in a nice way.
+ */
+    static void
+highlight_list(void)
+{
+    int		i;
+
+    for (i = 10; --i >= 0; )
+	highlight_list_two(i, HL_ATTR(HLF_D));
+    for (i = 40; --i >= 0; )
+	highlight_list_two(99, 0);
+}
+
+    static void
+highlight_list_two(int cnt, int attr)
+{
+    msg_puts_attr(&("N \bI \b!  \b"[cnt / 11]), attr);
+    msg_clr_eos();
+    out_flush();
+    ui_delay(cnt == 99 ? 40L : (long)cnt * 50L, FALSE);
+}
+
+#endif // FEAT_CMDL_COMPL
+
+#if defined(FEAT_CMDL_COMPL) || (defined(FEAT_SYN_HL) && defined(FEAT_EVAL)) \
+    || defined(FEAT_SIGNS) || defined(PROTO)
+/*
+ * Function given to ExpandGeneric() to obtain the list of group names.
+ */
+    char_u *
+get_highlight_name(expand_T *xp UNUSED, int idx)
+{
+    return get_highlight_name_ext(xp, idx, TRUE);
+}
+
+/*
+ * Obtain a highlight group name.
+ * When "skip_cleared" is TRUE don't return a cleared entry.
+ */
+    char_u *
+get_highlight_name_ext(expand_T *xp UNUSED, int idx, int skip_cleared)
+{
+    if (idx < 0)
+	return NULL;
+
+    // Items are never removed from the table, skip the ones that were
+    // cleared.
+    if (skip_cleared && idx < highlight_ga.ga_len && HL_TABLE()[idx].sg_cleared)
+	return (char_u *)"";
+
+#ifdef FEAT_CMDL_COMPL
+    if (idx == highlight_ga.ga_len && include_none != 0)
+	return (char_u *)"none";
+    if (idx == highlight_ga.ga_len + include_none && include_default != 0)
+	return (char_u *)"default";
+    if (idx == highlight_ga.ga_len + include_none + include_default
+							 && include_link != 0)
+	return (char_u *)"link";
+    if (idx == highlight_ga.ga_len + include_none + include_default + 1
+							 && include_link != 0)
+	return (char_u *)"clear";
+#endif
+    if (idx >= highlight_ga.ga_len)
+	return NULL;
+    return HL_TABLE()[idx].sg_name;
+}
+#endif
+
+#if defined(FEAT_GUI) || defined(PROTO)
+/*
+ * Free all the highlight group fonts.
+ * Used when quitting for systems which need it.
+ */
+    void
+free_highlight_fonts(void)
+{
+    int	    idx;
+
+    for (idx = 0; idx < highlight_ga.ga_len; ++idx)
+    {
+	gui_mch_free_font(HL_TABLE()[idx].sg_font);
+	HL_TABLE()[idx].sg_font = NOFONT;
+# ifdef FEAT_XFONTSET
+	gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset);
+	HL_TABLE()[idx].sg_fontset = NOFONTSET;
+# endif
+    }
+
+    gui_mch_free_font(gui.norm_font);
+# ifdef FEAT_XFONTSET
+    gui_mch_free_fontset(gui.fontset);
+# endif
+# ifndef FEAT_GUI_GTK
+    gui_mch_free_font(gui.bold_font);
+    gui_mch_free_font(gui.ital_font);
+    gui_mch_free_font(gui.boldital_font);
+# endif
+}
+#endif