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view src/version.c @ 32936:c517845bd10e v9.0.1776

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patch 9.0.1776: No support for stable Python 3 ABI Commit: https://github.com/vim/vim/commit/c13b3d1350b60b94fe87f0761ea31c0e7fb6ebf3 Author: Yee Cheng Chin <ychin.git@gmail.com> Date: Sun Aug 20 21:18:38 2023 +0200 patch 9.0.1776: No support for stable Python 3 ABI Problem: No support for stable Python 3 ABI Solution: Support Python 3 stable ABI Commits: 1) Support Python 3 stable ABI to allow mixed version interoperatbility Vim currently supports embedding Python for use with plugins, and the "dynamic" linking option allows the user to specify a locally installed version of Python by setting `pythonthreedll`. However, one caveat is that the Python 3 libs are not binary compatible across minor versions, and mixing versions can potentially be dangerous (e.g. let's say Vim was linked against the Python 3.10 SDK, but the user sets `pythonthreedll` to a 3.11 lib). Usually, nothing bad happens, but in theory this could lead to crashes, memory corruption, and other unpredictable behaviors. It's also difficult for the user to tell something is wrong because Vim has no way of reporting what Python 3 version Vim was linked with. For Vim installed via a package manager, this usually isn't an issue because all the dependencies would already be figured out. For prebuilt Vim binaries like MacVim (my motivation for working on this), AppImage, and Win32 installer this could potentially be an issue as usually a single binary is distributed. This is more tricky when a new Python version is released, as there's a chicken-and-egg issue with deciding what Python version to build against and hard to keep in sync when a new Python version just drops and we have a mix of users of different Python versions, and a user just blindly upgrading to a new Python could lead to bad interactions with Vim. Python 3 does have a solution for this problem: stable ABI / limited API (see https://docs.python.org/3/c-api/stable.html). The C SDK limits the API to a set of functions that are promised to be stable across versions. This pull request adds an ifdef config that allows us to turn it on when building Vim. Vim binaries built with this option should be safe to freely link with any Python 3 libraies without having the constraint of having to use the same minor version. Note: Python 2 has no such concept and this doesn't change how Python 2 integration works (not that there is going to be a new version of Python 2 that would cause compatibility issues in the future anyway). --- Technical details: ====== The stable ABI can be accessed when we compile with the Python 3 limited API (by defining `Py_LIMITED_API`). The Python 3 code (in `if_python3.c` and `if_py_both.h`) would now handle this and switch to limited API mode. Without it set, Vim will still use the full API as before so this is an opt-in change. The main difference is that `PyType_Object` is now an opaque struct that we can't directly create "static types" out of, and we have to create type objects as "heap types" instead. This is because the struct is not stable and changes from version to version (e.g. 3.8 added a `tp_vectorcall` field to it). I had to change all the types to be allocated on the heap instead with just a pointer to them. Other functions are also simply missing in limited API, or they are introduced too late (e.g. `PyUnicode_AsUTF8AndSize` in 3.10) to it that we need some other ways to do the same thing, so I had to abstract a few things into macros, and sometimes re-implement functions like `PyObject_NEW`. One caveat is that in limited API, `OutputType` (used for replacing `sys.stdout`) no longer inherits from `PyStdPrinter_Type` which I don't think has any real issue other than minor differences in how they convert to a string and missing a couple functions like `mode()` and `fileno()`. Also fixed an existing bug where `tp_basicsize` was set incorrectly for `BufferObject`, `TabListObject, `WinListObject`. Technically, there could be a small performance drop, there is a little more indirection with accessing type objects, and some APIs like `PyUnicode_AsUTF8AndSize` are missing, but in practice I didn't see any difference, and any well-written Python plugin should try to avoid excessing callbacks to the `vim` module in Python anyway. I only tested limited API mode down to Python 3.7, which seemes to compile and work fine. I haven't tried earlier Python versions. 2) Fix PyIter_Check on older Python vers / type##Ptr unused warning For PyIter_Check, older versions exposed them as either macros (used in full API), or a function (for use in limited API). A previous change exposed PyIter_Check to the dynamic build because Python just moved it to function-only in 3.10 anyway. Because of that, just make sure we always grab the function in dynamic builds in earlier versions since that's what Python eventually did anyway. 3) Move Py_LIMITED_API define to configure script Can now use --with-python-stable-abi flag to customize what stable ABI version to target. Can also use an env var to do so as well. 4) Show +python/dyn-stable in :version, and allow has() feature query Not sure if the "/dyn-stable" suffix would break things, or whether we should do it another way. Or just don't show it in version and rely on has() feature checking. 5) Documentation first draft. Still need to implement v:python3_version 6) Fix PyIter_Check build breaks when compiling against Python 3.8 7) Add CI coverage stable ABI on Linux/Windows / make configurable on Windows This adds configurable options for Windows make files (both MinGW and MSVC). CI will also now exercise both traditional full API and stable ABI for Linux and Windows in the matrix for coverage. Also added a "dynamic" option to Linux matrix as a drive-by change to make other scripting languages like Ruby / Perl testable under both static and dynamic builds. 8) Fix inaccuracy in Windows docs Python's own docs are confusing but you don't actually want to use `python3.dll` for the dynamic linkage. 9) Add generated autoconf file 10) Add v:python3_version support This variable indicates the version of Python3 that Vim was built against (PY_VERSION_HEX), and will be useful to check whether the Python library you are loading in dynamically actually fits it. When built with stable ABI, it will be the limited ABI version instead (`Py_LIMITED_API`), which indicates the minimum version of Python 3 the user should have, rather than the exact match. When stable ABI is used, we won't be exposing PY_VERSION_HEX in this var because it just doesn't seem necessary to do so (the whole point of stable ABI is the promise that it will work across versions), and I don't want to confuse the user with too many variables. Also, cleaned up some documentation, and added help tags. 11) Fix Python 3.7 compat issues Fix a couple issues when using limited API < 3.8 - Crash on exit: In Python 3.7, if a heap-allocated type is destroyed before all instances are, it would cause a crash later. This happens when we destroyed `OptionsType` before calling `Py_Finalize` when using the limited API. To make it worse, later versions changed the semantics and now each instance has a strong reference to its own type and the recommendation has changed to have each instance de-ref its own type and have its type in GC traversal. To avoid dealing with these cross-version variations, we just don't free the heap type. They are static types in non-limited-API anyway and are designed to last through the entirety of the app, and we also don't restart the Python runtime and therefore do not need it to have absolutely 0 leaks. See: - https://docs.python.org/3/whatsnew/3.8.html#changes-in-the-c-api - https://docs.python.org/3/whatsnew/3.9.html#changes-in-the-c-api - PyIter_Check: This function is not provided in limited APIs older than 3.8. Previously I was trying to mock it out using manual PyType_GetSlot() but it was brittle and also does not actually work properly for static types (it will generate a Python error). Just return false. It does mean using limited API < 3.8 is not recommended as you lose the functionality to handle iterators, but from playing with plugins I couldn't find it to be an issue. - Fix loading of PyIter_Check so it will be done when limited API < 3.8. Otherwise loading a 3.7 Python lib will fail even if limited API was specified to use it. 12) Make sure to only load `PyUnicode_AsUTF8AndSize` in needed in limited API We don't use this function unless limited API >= 3.10, but we were loading it regardless. Usually it's ok in Unix-like systems where Python just has a single lib that we load from, but in Windows where there is a separate python3.dll this would not work as the symbol would not have been exposed in this more limited DLL file. This makes it much clearer under what condition is this function needed. closes: #12032 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
author Christian Brabandt <cb@256bit.org>
date Sun, 20 Aug 2023 21:30:04 +0200
parents e5a1319f3e25
children 53bd850dd268 306f51627f50 6e346800670c
line wrap: on
line source

/* 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.
 */

#include "vim.h"

/*
 * Vim originated from Stevie version 3.6 (Fish disk 217) by GRWalter (Fred)
 * It has been changed beyond recognition since then.
 *
 * Differences between version 8.2 and 9.0 can be found with ":help version9".
 * Differences between version 7.4 and 8.x can be found with ":help version8".
 * Differences between version 6.4 and 7.x can be found with ":help version7".
 * Differences between version 5.8 and 6.x can be found with ":help version6".
 * Differences between version 4.x and 5.x can be found with ":help version5".
 * Differences between version 3.0 and 4.x can be found with ":help version4".
 * All the remarks about older versions have been removed, they are not very
 * interesting.
 */

#include "version.h"

char		*Version = VIM_VERSION_SHORT;
static char	*mediumVersion = VIM_VERSION_MEDIUM;

#if defined(HAVE_DATE_TIME) || defined(PROTO)
# if (defined(VMS) && defined(VAXC)) || defined(PROTO)
char	longVersion[sizeof(VIM_VERSION_LONG_DATE) + sizeof(__DATE__)
						      + sizeof(__TIME__) + 3];

    void
init_longVersion(void)
{
    /*
     * Construct the long version string.  Necessary because
     * VAX C can't concatenate strings in the preprocessor.
     */
    strcpy(longVersion, VIM_VERSION_LONG_DATE);
#ifdef BUILD_DATE
    strcat(longVersion, BUILD_DATE);
#else
    strcat(longVersion, __DATE__);
    strcat(longVersion, " ");
    strcat(longVersion, __TIME__);
#endif
    strcat(longVersion, ")");
}

# else
char	*longVersion = NULL;

    void
init_longVersion(void)
{
    if (longVersion != NULL)
	return;

#ifdef BUILD_DATE
    char *date_time = BUILD_DATE;
#else
    char *date_time = __DATE__ " " __TIME__;
#endif
    char *msg = _("%s (%s, compiled %s)");
    size_t len = strlen(msg)
	+ strlen(VIM_VERSION_LONG_ONLY)
	+ strlen(VIM_VERSION_DATE_ONLY)
	+ strlen(date_time);

    longVersion = alloc(len);
    if (longVersion == NULL)
	longVersion = VIM_VERSION_LONG;
    else
	vim_snprintf(longVersion, len, msg,
		VIM_VERSION_LONG_ONLY, VIM_VERSION_DATE_ONLY, date_time);
}
# endif
#else
char	*longVersion = VIM_VERSION_LONG;

    void
init_longVersion(void)
{
    // nothing to do
}
#endif

static char *(features[]) =
{
#ifdef HAVE_ACL
	"+acl",
#else
	"-acl",
#endif
#ifdef AMIGA		// only for Amiga systems
# ifdef FEAT_ARP
	"+ARP",
# else
	"-ARP",
# endif
#endif
#ifdef FEAT_ARABIC
	"+arabic",
#else
	"-arabic",
#endif
	"+autocmd",
#ifdef FEAT_AUTOCHDIR
       "+autochdir",
#else
       "-autochdir",
#endif
#ifdef FEAT_AUTOSERVERNAME
	"+autoservername",
#else
	"-autoservername",
#endif
#ifdef FEAT_BEVAL_GUI
	"+balloon_eval",
#else
	"-balloon_eval",
#endif
#ifdef FEAT_BEVAL_TERM
	"+balloon_eval_term",
#else
	"-balloon_eval_term",
#endif
#ifdef FEAT_BROWSE
	"+browse",
#else
	"-browse",
#endif
	"++builtin_terms",
#ifdef FEAT_BYTEOFF
	"+byte_offset",
#else
	"-byte_offset",
#endif
#ifdef FEAT_JOB_CHANNEL
	"+channel",
#else
	"-channel",
#endif
	"+cindent",
#ifdef FEAT_CLIENTSERVER
	"+clientserver",
#else
	"-clientserver",
#endif
#ifdef FEAT_CLIPBOARD
	"+clipboard",
#else
	"-clipboard",
#endif
	"+cmdline_compl",
	"+cmdline_hist",
	"+cmdline_info",
	"+comments",
#ifdef FEAT_CONCEAL
	"+conceal",
#else
	"-conceal",
#endif
#ifdef FEAT_CRYPT
	"+cryptv",
#else
	"-cryptv",
#endif
#ifdef FEAT_CSCOPE
	"+cscope",
#else
	"-cscope",
#endif
	"+cursorbind",
#ifdef CURSOR_SHAPE
	"+cursorshape",
#else
	"-cursorshape",
#endif
#if defined(FEAT_CON_DIALOG) && defined(FEAT_GUI_DIALOG)
	"+dialog_con_gui",
#else
# if defined(FEAT_CON_DIALOG)
	"+dialog_con",
# else
#  if defined(FEAT_GUI_DIALOG)
	"+dialog_gui",
#  else
	"-dialog",
#  endif
# endif
#endif
#ifdef FEAT_DIFF
	"+diff",
#else
	"-diff",
#endif
#ifdef FEAT_DIGRAPHS
	"+digraphs",
#else
	"-digraphs",
#endif
#ifdef FEAT_GUI_MSWIN
# ifdef FEAT_DIRECTX
	"+directx",
# else
	"-directx",
# endif
#endif
#ifdef FEAT_DND
	"+dnd",
#else
	"-dnd",
#endif
	"-ebcdic",
#ifdef FEAT_EMACS_TAGS
	"+emacs_tags",
#else
	"-emacs_tags",
#endif
#ifdef FEAT_EVAL
	"+eval",
#else
	"-eval",
#endif
	"+ex_extra",
#ifdef FEAT_SEARCH_EXTRA
	"+extra_search",
#else
	"-extra_search",
#endif
	"-farsi",
	"+file_in_path",
#ifdef FEAT_FIND_ID
	"+find_in_path",
#else
	"-find_in_path",
#endif
	"+float",
#ifdef FEAT_FOLDING
	"+folding",
#else
	"-folding",
#endif
	"-footer",
	// only interesting on Unix systems
#if !defined(USE_SYSTEM) && defined(UNIX)
	"+fork()",
#endif
#ifdef FEAT_GETTEXT
# ifdef DYNAMIC_GETTEXT
	"+gettext/dyn",
# else
	"+gettext",
# endif
#else
	"-gettext",
#endif
	"-hangul_input",
#if (defined(HAVE_ICONV_H) && defined(USE_ICONV)) || defined(DYNAMIC_ICONV)
# ifdef DYNAMIC_ICONV
	"+iconv/dyn",
# else
	"+iconv",
# endif
#else
	"-iconv",
#endif
	"+insert_expand",
#ifdef FEAT_IPV6
	"+ipv6",
#else
	"-ipv6",
#endif
#ifdef FEAT_JOB_CHANNEL
	"+job",
#else
	"-job",
#endif
	"+jumplist",
#ifdef FEAT_KEYMAP
	"+keymap",
#else
	"-keymap",
#endif
#ifdef FEAT_EVAL
	"+lambda",
#else
	"-lambda",
#endif
#ifdef FEAT_LANGMAP
	"+langmap",
#else
	"-langmap",
#endif
#ifdef FEAT_LIBCALL
	"+libcall",
#else
	"-libcall",
#endif
#ifdef FEAT_LINEBREAK
	"+linebreak",
#else
	"-linebreak",
#endif
	"+lispindent",
	"+listcmds",
	"+localmap",
#ifdef FEAT_LUA
# ifdef DYNAMIC_LUA
	"+lua/dyn",
# else
	"+lua",
# endif
#else
	"-lua",
#endif
#ifdef FEAT_MENU
	"+menu",
#else
	"-menu",
#endif
#ifdef FEAT_SESSION
	"+mksession",
#else
	"-mksession",
#endif
	"+modify_fname",
	"+mouse",
#ifdef FEAT_MOUSESHAPE
	"+mouseshape",
#else
	"-mouseshape",
#endif

#if defined(UNIX) || defined(VMS)
# ifdef FEAT_MOUSE_DEC
	"+mouse_dec",
# else
	"-mouse_dec",
# endif
# ifdef FEAT_MOUSE_GPM
#  ifdef DYNAMIC_GPM
	"+mouse_gpm/dyn",
#  else
	"+mouse_gpm",
#  endif
# else
	"-mouse_gpm",
# endif
# ifdef FEAT_MOUSE_JSB
	"+mouse_jsbterm",
# else
	"-mouse_jsbterm",
# endif
# ifdef FEAT_MOUSE_NET
	"+mouse_netterm",
# else
	"-mouse_netterm",
# endif
#endif

#ifdef __QNX__
# ifdef FEAT_MOUSE_PTERM
	"+mouse_pterm",
# else
	"-mouse_pterm",
# endif
#endif

#if defined(UNIX) || defined(VMS)
	"+mouse_sgr",
# ifdef FEAT_SYSMOUSE
	"+mouse_sysmouse",
# else
	"-mouse_sysmouse",
# endif
# ifdef FEAT_MOUSE_URXVT
	"+mouse_urxvt",
# else
	"-mouse_urxvt",
# endif
	"+mouse_xterm",
#endif

#ifdef FEAT_MBYTE_IME
# ifdef DYNAMIC_IME
	"+multi_byte_ime/dyn",
# else
	"+multi_byte_ime",
# endif
#else
	"+multi_byte",
#endif
#ifdef FEAT_MULTI_LANG
	"+multi_lang",
#else
	"-multi_lang",
#endif
#ifdef FEAT_MZSCHEME
# ifdef DYNAMIC_MZSCHEME
	"+mzscheme/dyn",
# else
	"+mzscheme",
# endif
#else
	"-mzscheme",
#endif
#ifdef FEAT_NETBEANS_INTG
	"+netbeans_intg",
#else
	"-netbeans_intg",
#endif
	"+num64",
#ifdef FEAT_GUI_MSWIN
# ifdef FEAT_OLE
	"+ole",
# else
	"-ole",
# endif
#endif
#ifdef FEAT_EVAL
	"+packages",
#else
	"-packages",
#endif
	"+path_extra",
#ifdef FEAT_PERL
# ifdef DYNAMIC_PERL
	"+perl/dyn",
# else
	"+perl",
# endif
#else
	"-perl",
#endif
#ifdef FEAT_PERSISTENT_UNDO
	"+persistent_undo",
#else
	"-persistent_undo",
#endif
#ifdef FEAT_PROP_POPUP
	"+popupwin",
#else
	"-popupwin",
#endif
#ifdef FEAT_PRINTER
# ifdef FEAT_POSTSCRIPT
	"+postscript",
# else
	"-postscript",
# endif
	"+printer",
#else
	"-printer",
#endif
#ifdef FEAT_PROFILE
	"+profile",
#else
	"-profile",
#endif
#ifdef FEAT_PYTHON
# ifdef DYNAMIC_PYTHON
	"+python/dyn",
# else
	"+python",
# endif
#else
	"-python",
#endif
#ifdef FEAT_PYTHON3
# ifdef DYNAMIC_PYTHON3
#  ifdef DYNAMIC_PYTHON3_STABLE_ABI
	"+python3/dyn-stable",
#  else
	"+python3/dyn",
#  endif
# else
	"+python3",
# endif
#else
	"-python3",
#endif
#ifdef FEAT_QUICKFIX
	"+quickfix",
#else
	"-quickfix",
#endif
#ifdef FEAT_RELTIME
	"+reltime",
#else
	"-reltime",
#endif
#ifdef FEAT_RIGHTLEFT
	"+rightleft",
#else
	"-rightleft",
#endif
#ifdef FEAT_RUBY
# ifdef DYNAMIC_RUBY
	"+ruby/dyn",
# else
	"+ruby",
# endif
#else
	"-ruby",
#endif
	"+scrollbind",
#ifdef FEAT_SIGNS
	"+signs",
#else
	"-signs",
#endif
	"+smartindent",
#ifdef FEAT_SODIUM
# ifdef DYNAMIC_SODIUM
	"+sodium/dyn",
# else
	"+sodium",
# endif
#else
	"-sodium",
#endif
#ifdef FEAT_SOUND
	"+sound",
#else
	"-sound",
#endif
#ifdef FEAT_SPELL
	"+spell",
#else
	"-spell",
#endif
#ifdef STARTUPTIME
	"+startuptime",
#else
	"-startuptime",
#endif
#ifdef FEAT_STL_OPT
	"+statusline",
#else
	"-statusline",
#endif
	"-sun_workshop",
#ifdef FEAT_SYN_HL
	"+syntax",
#else
	"-syntax",
#endif
	    // only interesting on Unix systems
#if defined(USE_SYSTEM) && defined(UNIX)
	"+system()",
#endif
	"+tag_binary",
	"-tag_old_static",
	"-tag_any_white",
#ifdef FEAT_TCL
# ifdef DYNAMIC_TCL
	"+tcl/dyn",
# else
	"+tcl",
# endif
#else
	"-tcl",
#endif
#ifdef FEAT_TERMGUICOLORS
	"+termguicolors",
#else
	"-termguicolors",
#endif
#ifdef FEAT_TERMINAL
	"+terminal",
#else
	"-terminal",
#endif
#if defined(UNIX)
// only Unix can have terminfo instead of termcap
# ifdef TERMINFO
	"+terminfo",
# else
	"-terminfo",
# endif
#endif
#ifdef FEAT_TERMRESPONSE
	"+termresponse",
#else
	"-termresponse",
#endif
	"+textobjects",
#ifdef FEAT_PROP_POPUP
	"+textprop",
#else
	"-textprop",
#endif
#if !defined(UNIX)
// unix always includes termcap support
# ifdef HAVE_TGETENT
	"+tgetent",
# else
	"-tgetent",
# endif
#endif
#ifdef FEAT_TIMERS
	"+timers",
#else
	"-timers",
#endif
	"+title",
#ifdef FEAT_TOOLBAR
	"+toolbar",
#else
	"-toolbar",
#endif
	"+user_commands",
#ifdef FEAT_VARTABS
	"+vartabs",
#else
	"-vartabs",
#endif
	"+vertsplit",
	"+vim9script",
#ifdef FEAT_VIMINFO
	"+viminfo",
#else
	"-viminfo",
#endif
	"+virtualedit",
	"+visual",
	"+visualextra",
	"+vreplace",
#ifdef MSWIN
# ifdef FEAT_VTP
	"+vtp",
# else
	"-vtp",
# endif
#endif
	"+wildignore",
	"+wildmenu",
	"+windows",
#ifdef FEAT_WRITEBACKUP
	"+writebackup",
#else
	"-writebackup",
#endif
#if defined(UNIX) || defined(VMS)
# ifdef FEAT_X11
	"+X11",
# else
	"-X11",
# endif
#endif
#ifdef FEAT_XFONTSET
	"+xfontset",
#else
	"-xfontset",
#endif
#ifdef FEAT_XIM
	"+xim",
#else
	"-xim",
#endif
#if defined(MSWIN)
# ifdef FEAT_XPM_W32
	"+xpm_w32",
# else
	"-xpm_w32",
# endif
#elif defined(HAVE_XPM)
	"+xpm",
#else
	"-xpm",
#endif
#if defined(UNIX) || defined(VMS)
# if defined(USE_XSMP_INTERACT)
	"+xsmp_interact",
# elif defined(USE_XSMP)
	"+xsmp",
# else
	"-xsmp",
# endif
# ifdef FEAT_XCLIPBOARD
	"+xterm_clipboard",
# else
	"-xterm_clipboard",
# endif
#endif
#ifdef FEAT_XTERM_SAVE
	"+xterm_save",
#else
	"-xterm_save",
#endif
	NULL
};

static int included_patches[] =
{   /* Add new patch number below this line */
/**/
    1776,
/**/
    1775,
/**/
    1772,
/**/
    1771,
/**/
    1770,
/**/
    1769,
/**/
    1768,
/**/
    1767,
/**/
    1765,
/**/
    1764,
/**/
    1763,
/**/
    1762,
/**/
    1761,
/**/
    1760,
/**/
    1759,
/**/
    1758,
/**/
    1757,
/**/
    1756,
/**/
    1755,
/**/
    1754,
/**/
    1753,
/**/
    1752,
/**/
    1751,
/**/
    1750,
/**/
    1749,
/**/
    1748,
/**/
    1747,
/**/
    1746,
/**/
    1745,
/**/
    1744,
/**/
    1743,
/**/
    1742,
/**/
    1741,
/**/
    1740,
/**/
    1739,
/**/
    1738,
/**/
    1737,
/**/
    1736,
/**/
    1735,
/**/
    1734,
/**/
    1733,
/**/
    1732,
/**/
    1731,
/**/
    1730,
/**/
    1729,
/**/
    1728,
/**/
    1727,
/**/
    1726,
/**/
    1725,
/**/
    1724,
/**/
    1723,
/**/
    1722,
/**/
    1721,
/**/
    1720,
/**/
    1719,
/**/
    1718,
/**/
    1717,
/**/
    1716,
/**/
    1715,
/**/
    1714,
/**/
    1713,
/**/
    1712,
/**/
    1711,
/**/
    1710,
/**/
    1709,
/**/
    1708,
/**/
    1707,
/**/
    1706,
/**/
    1705,
/**/
    1704,
/**/
    1703,
/**/
    1702,
/**/
    1701,
/**/
    1700,
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/**/
    871,
/**/
    870,
/**/
    869,
/**/
    868,
/**/
    867,
/**/
    866,
/**/
    865,
/**/
    864,
/**/
    863,
/**/
    862,
/**/
    861,
/**/
    860,
/**/
    859,
/**/
    858,
/**/
    857,
/**/
    856,
/**/
    855,
/**/
    854,
/**/
    853,
/**/
    852,
/**/
    851,
/**/
    850,
/**/
    849,
/**/
    848,
/**/
    847,
/**/
    846,
/**/
    845,
/**/
    844,
/**/
    843,
/**/
    842,
/**/
    841,
/**/
    840,
/**/
    839,
/**/
    838,
/**/
    837,
/**/
    836,
/**/
    835,
/**/
    834,
/**/
    833,
/**/
    832,
/**/
    831,
/**/
    830,
/**/
    829,
/**/
    828,
/**/
    827,
/**/
    826,
/**/
    825,
/**/
    824,
/**/
    823,
/**/
    822,
/**/
    821,
/**/
    820,
/**/
    819,
/**/
    818,
/**/
    817,
/**/
    816,
/**/
    815,
/**/
    814,
/**/
    813,
/**/
    812,
/**/
    811,
/**/
    810,
/**/
    809,
/**/
    808,
/**/
    807,
/**/
    806,
/**/
    805,
/**/
    804,
/**/
    803,
/**/
    802,
/**/
    801,
/**/
    800,
/**/
    799,
/**/
    798,
/**/
    797,
/**/
    796,
/**/
    795,
/**/
    794,
/**/
    793,
/**/
    792,
/**/
    791,
/**/
    790,
/**/
    789,
/**/
    788,
/**/
    787,
/**/
    786,
/**/
    785,
/**/
    784,
/**/
    783,
/**/
    782,
/**/
    781,
/**/
    780,
/**/
    779,
/**/
    778,
/**/
    777,
/**/
    776,
/**/
    775,
/**/
    774,
/**/
    773,
/**/
    772,
/**/
    771,
/**/
    770,
/**/
    769,
/**/
    768,
/**/
    767,
/**/
    766,
/**/
    765,
/**/
    764,
/**/
    763,
/**/
    762,
/**/
    761,
/**/
    760,
/**/
    759,
/**/
    758,
/**/
    757,
/**/
    756,
/**/
    755,
/**/
    754,
/**/
    753,
/**/
    752,
/**/
    751,
/**/
    750,
/**/
    749,
/**/
    748,
/**/
    747,
/**/
    746,
/**/
    745,
/**/
    744,
/**/
    743,
/**/
    742,
/**/
    741,
/**/
    740,
/**/
    739,
/**/
    738,
/**/
    737,
/**/
    736,
/**/
    735,
/**/
    734,
/**/
    733,
/**/
    732,
/**/
    731,
/**/
    730,
/**/
    729,
/**/
    728,
/**/
    727,
/**/
    726,
/**/
    725,
/**/
    724,
/**/
    723,
/**/
    722,
/**/
    721,
/**/
    720,
/**/
    719,
/**/
    718,
/**/
    717,
/**/
    716,
/**/
    715,
/**/
    714,
/**/
    713,
/**/
    712,
/**/
    711,
/**/
    710,
/**/
    709,
/**/
    708,
/**/
    707,
/**/
    706,
/**/
    705,
/**/
    704,
/**/
    703,
/**/
    702,
/**/
    701,
/**/
    700,
/**/
    699,
/**/
    698,
/**/
    697,
/**/
    696,
/**/
    695,
/**/
    694,
/**/
    693,
/**/
    692,
/**/
    691,
/**/
    690,
/**/
    689,
/**/
    688,
/**/
    687,
/**/
    686,
/**/
    685,
/**/
    684,
/**/
    683,
/**/
    682,
/**/
    681,
/**/
    680,
/**/
    679,
/**/
    678,
/**/
    677,
/**/
    676,
/**/
    675,
/**/
    674,
/**/
    673,
/**/
    672,
/**/
    671,
/**/
    670,
/**/
    669,
/**/
    668,
/**/
    667,
/**/
    666,
/**/
    665,
/**/
    664,
/**/
    663,
/**/
    662,
/**/
    661,
/**/
    660,
/**/
    659,
/**/
    658,
/**/
    657,
/**/
    656,
/**/
    655,
/**/
    654,
/**/
    653,
/**/
    652,
/**/
    651,
/**/
    650,
/**/
    649,
/**/
    648,
/**/
    647,
/**/
    646,
/**/
    645,
/**/
    644,
/**/
    643,
/**/
    642,
/**/
    641,
/**/
    640,
/**/
    639,
/**/
    638,
/**/
    637,
/**/
    636,
/**/
    635,
/**/
    634,
/**/
    633,
/**/
    632,
/**/
    631,
/**/
    630,
/**/
    629,
/**/
    628,
/**/
    627,
/**/
    626,
/**/
    625,
/**/
    624,
/**/
    623,
/**/
    622,
/**/
    621,
/**/
    620,
/**/
    619,
/**/
    618,
/**/
    617,
/**/
    616,
/**/
    615,
/**/
    614,
/**/
    613,
/**/
    612,
/**/
    611,
/**/
    610,
/**/
    609,
/**/
    608,
/**/
    607,
/**/
    606,
/**/
    605,
/**/
    604,
/**/
    603,
/**/
    602,
/**/
    601,
/**/
    600,
/**/
    599,
/**/
    598,
/**/
    597,
/**/
    596,
/**/
    595,
/**/
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/**/
    593,
/**/
    592,
/**/
    591,
/**/
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/**/
    589,
/**/
    588,
/**/
    587,
/**/
    586,
/**/
    585,
/**/
    584,
/**/
    583,
/**/
    582,
/**/
    581,
/**/
    580,
/**/
    579,
/**/
    578,
/**/
    577,
/**/
    576,
/**/
    575,
/**/
    574,
/**/
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/**/
    572,
/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
    561,
/**/
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/**/
    559,
/**/
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/**/
    557,
/**/
    556,
/**/
    555,
/**/
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/**/
    553,
/**/
    552,
/**/
    551,
/**/
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/**/
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/**/
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/**/
    547,
/**/
    546,
/**/
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/**/
    544,
/**/
    543,
/**/
    542,
/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
    534,
/**/
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/**/
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/**/
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/**/
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/**/
    529,
/**/
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/**/
    527,
/**/
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/**/
    525,
/**/
    524,
/**/
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/**/
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/**/
    521,
/**/
    520,
/**/
    519,
/**/
    518,
/**/
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/**/
    516,
/**/
    515,
/**/
    514,
/**/
    513,
/**/
    512,
/**/
    511,
/**/
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/**/
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/**/
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/**/
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/**/
    506,
/**/
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/**/
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/**/
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/**/
    502,
/**/
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/**/
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/**/
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/**/
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/**/
    497,
/**/
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/**/
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/**/
    494,
/**/
    493,
/**/
    492,
/**/
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/**/
    490,
/**/
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/**/
    488,
/**/
    487,
/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
    474,
/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
    466,
/**/
    465,
/**/
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/**/
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/**/
    462,
/**/
    461,
/**/
    460,
/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
    435,
/**/
    434,
/**/
    433,
/**/
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/**/
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/**/
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/**/
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/**/
    428,
/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
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/**/
    403,
/**/
    402,
/**/
    401,
/**/
    400,
/**/
    399,
/**/
    398,
/**/
    397,
/**/
    396,
/**/
    395,
/**/
    394,
/**/
    393,
/**/
    392,
/**/
    391,
/**/
    390,
/**/
    389,
/**/
    388,
/**/
    387,
/**/
    386,
/**/
    385,
/**/
    384,
/**/
    383,
/**/
    382,
/**/
    381,
/**/
    380,
/**/
    379,
/**/
    378,
/**/
    377,
/**/
    376,
/**/
    375,
/**/
    374,
/**/
    373,
/**/
    372,
/**/
    371,
/**/
    370,
/**/
    369,
/**/
    368,
/**/
    367,
/**/
    366,
/**/
    365,
/**/
    364,
/**/
    363,
/**/
    362,
/**/
    361,
/**/
    360,
/**/
    359,
/**/
    358,
/**/
    357,
/**/
    356,
/**/
    355,
/**/
    354,
/**/
    353,
/**/
    352,
/**/
    351,
/**/
    350,
/**/
    349,
/**/
    348,
/**/
    347,
/**/
    346,
/**/
    345,
/**/
    344,
/**/
    343,
/**/
    342,
/**/
    341,
/**/
    340,
/**/
    339,
/**/
    338,
/**/
    337,
/**/
    336,
/**/
    335,
/**/
    334,
/**/
    333,
/**/
    332,
/**/
    331,
/**/
    330,
/**/
    329,
/**/
    328,
/**/
    327,
/**/
    326,
/**/
    325,
/**/
    324,
/**/
    323,
/**/
    322,
/**/
    321,
/**/
    320,
/**/
    319,
/**/
    318,
/**/
    317,
/**/
    316,
/**/
    315,
/**/
    314,
/**/
    313,
/**/
    312,
/**/
    311,
/**/
    310,
/**/
    309,
/**/
    308,
/**/
    307,
/**/
    306,
/**/
    305,
/**/
    304,
/**/
    303,
/**/
    302,
/**/
    301,
/**/
    300,
/**/
    299,
/**/
    298,
/**/
    297,
/**/
    296,
/**/
    295,
/**/
    294,
/**/
    293,
/**/
    292,
/**/
    291,
/**/
    290,
/**/
    289,
/**/
    288,
/**/
    287,
/**/
    286,
/**/
    285,
/**/
    284,
/**/
    283,
/**/
    282,
/**/
    281,
/**/
    280,
/**/
    279,
/**/
    278,
/**/
    277,
/**/
    276,
/**/
    275,
/**/
    274,
/**/
    273,
/**/
    272,
/**/
    271,
/**/
    270,
/**/
    269,
/**/
    268,
/**/
    267,
/**/
    266,
/**/
    265,
/**/
    264,
/**/
    263,
/**/
    262,
/**/
    261,
/**/
    260,
/**/
    259,
/**/
    258,
/**/
    257,
/**/
    256,
/**/
    255,
/**/
    254,
/**/
    253,
/**/
    252,
/**/
    251,
/**/
    250,
/**/
    249,
/**/
    248,
/**/
    247,
/**/
    246,
/**/
    245,
/**/
    244,
/**/
    243,
/**/
    242,
/**/
    241,
/**/
    240,
/**/
    239,
/**/
    238,
/**/
    237,
/**/
    236,
/**/
    235,
/**/
    234,
/**/
    233,
/**/
    232,
/**/
    231,
/**/
    230,
/**/
    229,
/**/
    228,
/**/
    227,
/**/
    226,
/**/
    225,
/**/
    224,
/**/
    223,
/**/
    222,
/**/
    221,
/**/
    220,
/**/
    219,
/**/
    218,
/**/
    217,
/**/
    216,
/**/
    215,
/**/
    214,
/**/
    213,
/**/
    212,
/**/
    211,
/**/
    210,
/**/
    209,
/**/
    208,
/**/
    207,
/**/
    206,
/**/
    205,
/**/
    204,
/**/
    203,
/**/
    202,
/**/
    201,
/**/
    200,
/**/
    199,
/**/
    198,
/**/
    197,
/**/
    196,
/**/
    195,
/**/
    194,
/**/
    193,
/**/
    192,
/**/
    191,
/**/
    190,
/**/
    189,
/**/
    188,
/**/
    187,
/**/
    186,
/**/
    185,
/**/
    184,
/**/
    183,
/**/
    182,
/**/
    181,
/**/
    180,
/**/
    179,
/**/
    178,
/**/
    177,
/**/
    176,
/**/
    175,
/**/
    174,
/**/
    173,
/**/
    172,
/**/
    171,
/**/
    170,
/**/
    169,
/**/
    168,
/**/
    167,
/**/
    166,
/**/
    165,
/**/
    164,
/**/
    163,
/**/
    162,
/**/
    161,
/**/
    160,
/**/
    159,
/**/
    158,
/**/
    157,
/**/
    156,
/**/
    155,
/**/
    154,
/**/
    153,
/**/
    152,
/**/
    151,
/**/
    150,
/**/
    149,
/**/
    148,
/**/
    147,
/**/
    146,
/**/
    145,
/**/
    144,
/**/
    143,
/**/
    142,
/**/
    141,
/**/
    140,
/**/
    139,
/**/
    138,
/**/
    137,
/**/
    136,
/**/
    135,
/**/
    134,
/**/
    133,
/**/
    132,
/**/
    131,
/**/
    130,
/**/
    129,
/**/
    128,
/**/
    127,
/**/
    126,
/**/
    125,
/**/
    124,
/**/
    123,
/**/
    122,
/**/
    121,
/**/
    120,
/**/
    119,
/**/
    118,
/**/
    117,
/**/
    116,
/**/
    115,
/**/
    114,
/**/
    113,
/**/
    112,
/**/
    111,
/**/
    110,
/**/
    109,
/**/
    108,
/**/
    107,
/**/
    106,
/**/
    105,
/**/
    104,
/**/
    103,
/**/
    102,
/**/
    101,
/**/
    100,
/**/
    99,
/**/
    98,
/**/
    97,
/**/
    96,
/**/
    95,
/**/
    94,
/**/
    93,
/**/
    92,
/**/
    91,
/**/
    90,
/**/
    89,
/**/
    88,
/**/
    87,
/**/
    86,
/**/
    85,
/**/
    84,
/**/
    83,
/**/
    82,
/**/
    81,
/**/
    80,
/**/
    79,
/**/
    78,
/**/
    77,
/**/
    76,
/**/
    75,
/**/
    74,
/**/
    73,
/**/
    72,
/**/
    71,
/**/
    70,
/**/
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/**/
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/**/
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/**/
    66,
/**/
    65,
/**/
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/**/
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/**/
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/**/
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/**/
    60,
/**/
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/**/
    58,
/**/
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/**/
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/**/
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/**/
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/**/
    53,
/**/
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/**/
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/**/
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/**/
    49,
/**/
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/**/
    47,
/**/
    46,
/**/
    45,
/**/
    44,
/**/
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/**/
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/**/
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/**/
    40,
/**/
    39,
/**/
    38,
/**/
    37,
/**/
    36,
/**/
    35,
/**/
    34,
/**/
    33,
/**/
    32,
/**/
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/**/
    30,
/**/
    29,
/**/
    28,
/**/
    27,
/**/
    26,
/**/
    25,
/**/
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/**/
    23,
/**/
    22,
/**/
    21,
/**/
    20,
/**/
    19,
/**/
    18,
/**/
    17,
/**/
    16,
/**/
    15,
/**/
    14,
/**/
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/**/
    12,
/**/
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/**/
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/**/
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/**/
    8,
/**/
    7,
/**/
    6,
/**/
    5,
/**/
    4,
/**/
    3,
/**/
    2,
/**/
    1,
/**/
    0
};

/*
 * Place to put a short description when adding a feature with a patch.
 * Keep it short, e.g.,: "relative numbers", "persistent undo".
 * Also add a comment marker to separate the lines.
 * See the official Vim patches for the diff format: It must use a context of
 * one line only.  Create it by hand or use "diff -C2" and edit the patch.
 */
static char *(extra_patches[]) =
{   /* Add your patch description below this line */
/**/
    NULL
};

    int
highest_patch(void)
{
    // this relies on the highest patch number to be the first entry
    return included_patches[0];
}

#if defined(FEAT_EVAL) || defined(PROTO)
/*
 * Return TRUE if patch "n" has been included.
 */
    int
has_patch(int n)
{
    int		h, m, l;

    // Perform a binary search.
    l = 0;
    h = (int)ARRAY_LENGTH(included_patches) - 1;
    for (;;)
    {
	m = (l + h) / 2;
	if (included_patches[m] == n)
	    return TRUE;
	if (l == h)
	    break;
	if (included_patches[m] < n)
	    h = m;
	else
	    l = m + 1;
    }
    return FALSE;
}
#endif

    void
ex_version(exarg_T *eap)
{
    /*
     * Ignore a ":version 9.99" command.
     */
    if (*eap->arg == NUL)
    {
	msg_putchar('\n');
	list_version();
    }
}

/*
 * Output a string for the version message.  If it's going to wrap, output a
 * newline, unless the message is too long to fit on the screen anyway.
 * When "wrap" is TRUE wrap the string in [].
 */
    static void
version_msg_wrap(char_u *s, int wrap)
{
    int		len = vim_strsize(s) + (wrap ? 2 : 0);

    if (!got_int && len < (int)Columns && msg_col + len >= (int)Columns
								&& *s != '\n')
	msg_putchar('\n');
    if (!got_int)
    {
	if (wrap)
	    msg_puts("[");
	msg_puts((char *)s);
	if (wrap)
	    msg_puts("]");
    }
}

    static void
version_msg(char *s)
{
    version_msg_wrap((char_u *)s, FALSE);
}

/*
 * List all features aligned in columns, dictionary style.
 */
    static void
list_features(void)
{
    list_in_columns((char_u **)features, -1, -1);
}

/*
 * List string items nicely aligned in columns.
 * When "size" is < 0 then the last entry is marked with NULL.
 * The entry with index "current" is inclosed in [].
 */
    void
list_in_columns(char_u **items, int size, int current)
{
    int		i;
    int		ncol;
    int		nrow;
    int		cur_row = 1;
    int		item_count = 0;
    int		width = 0;
#ifdef FEAT_SYN_HL
    int		use_highlight = (items == (char_u **)features);
#endif

    // Find the length of the longest item, use that + 1 as the column
    // width.
    for (i = 0; size < 0 ? items[i] != NULL : i < size; ++i)
    {
	int l = vim_strsize(items[i]) + (i == current ? 2 : 0);

	if (l > width)
	    width = l;
	++item_count;
    }
    width += 1;

    if (Columns < width)
    {
	// Not enough screen columns - show one per line
	for (i = 0; i < item_count; ++i)
	{
	    version_msg_wrap(items[i], i == current);
	    if (msg_col > 0 && i < item_count - 1)
		msg_putchar('\n');
	}
	return;
    }

    // The rightmost column doesn't need a separator.
    // Sacrifice it to fit in one more column if possible.
    ncol = (int) (Columns + 1) / width;
    nrow = item_count / ncol + ((item_count % ncol) ? 1 : 0);

    // "i" counts columns then rows.  "idx" counts rows then columns.
    for (i = 0; !got_int && i < nrow * ncol; ++i)
    {
	int idx = (i / ncol) + (i % ncol) * nrow;

	if (idx < item_count)
	{
	    int last_col = (i + 1) % ncol == 0;

	    if (idx == current)
		msg_putchar('[');
#ifdef FEAT_SYN_HL
	    if (use_highlight && items[idx][0] == '-')
		msg_puts_attr((char *)items[idx], HL_ATTR(HLF_W));
	    else
#endif
		msg_puts((char *)items[idx]);
	    if (idx == current)
		msg_putchar(']');
	    if (last_col)
	    {
		if (msg_col > 0 && cur_row < nrow)
		    msg_putchar('\n');
		++cur_row;
	    }
	    else
	    {
		while (msg_col % width)
		    msg_putchar(' ');
	    }
	}
	else
	{
	    // this row is out of items, thus at the end of the row
	    if (msg_col > 0)
	    {
		if (cur_row < nrow)
		    msg_putchar('\n');
		++cur_row;
	    }
	}
    }
}

    void
list_version(void)
{
    int		i;
    int		first;
    char	*s = "";

    /*
     * When adding features here, don't forget to update the list of
     * internal variables in eval.c!
     */
    init_longVersion();
    msg(longVersion);
#ifdef MSWIN
# ifdef FEAT_GUI_MSWIN
#  ifdef VIMDLL
#   ifdef _WIN64
    msg_puts(_("\nMS-Windows 64-bit GUI/console version"));
#   else
    msg_puts(_("\nMS-Windows 32-bit GUI/console version"));
#   endif
#  else
#   ifdef _WIN64
    msg_puts(_("\nMS-Windows 64-bit GUI version"));
#   else
    msg_puts(_("\nMS-Windows 32-bit GUI version"));
#   endif
#  endif
#  ifdef FEAT_OLE
    msg_puts(_(" with OLE support"));
#  endif
# else
#  ifdef _WIN64
    msg_puts(_("\nMS-Windows 64-bit console version"));
#  else
    msg_puts(_("\nMS-Windows 32-bit console version"));
#  endif
# endif
#endif
#if defined(MACOS_X)
# if defined(MACOS_X_DARWIN)
    msg_puts(_("\nmacOS version"));
# else
    msg_puts(_("\nmacOS version w/o darwin feat."));
# endif
# if defined(__arm64__)
    msg_puts(" - arm64");
# elif defined(__x86_64__)
    msg_puts(" - x86_64");
# endif
#endif

#ifdef VMS
    msg_puts(_("\nOpenVMS version"));
# ifdef HAVE_PATHDEF
    if (*compiled_arch != NUL)
    {
	msg_puts(" - ");
	msg_puts((char *)compiled_arch);
    }
# endif

#endif

    // Print the list of patch numbers if there is at least one.
    // Print a range when patches are consecutive: "1-10, 12, 15-40, 42-45"
    if (included_patches[0] != 0)
    {
	msg_puts(_("\nIncluded patches: "));
	first = -1;
	i = (int)ARRAY_LENGTH(included_patches) - 1;
	while (--i >= 0)
	{
	    if (first < 0)
		first = included_patches[i];
	    if (i == 0 || included_patches[i - 1] != included_patches[i] + 1)
	    {
		msg_puts(s);
		s = ", ";
		msg_outnum((long)first);
		if (first != included_patches[i])
		{
		    msg_puts("-");
		    msg_outnum((long)included_patches[i]);
		}
		first = -1;
	    }
	}
    }

    // Print the list of extra patch descriptions if there is at least one.
    if (extra_patches[0] != NULL)
    {
	msg_puts(_("\nExtra patches: "));
	s = "";
	for (i = 0; extra_patches[i] != NULL; ++i)
	{
	    msg_puts(s);
	    s = ", ";
	    msg_puts(extra_patches[i]);
	}
    }

#ifdef MODIFIED_BY
    msg_puts("\n");
    msg_puts(_("Modified by "));
    msg_puts(MODIFIED_BY);
#endif

#ifdef HAVE_PATHDEF
    if (*compiled_user != NUL || *compiled_sys != NUL)
    {
	msg_puts(_("\nCompiled "));
	if (*compiled_user != NUL)
	{
	    msg_puts(_("by "));
	    msg_puts((char *)compiled_user);
	}
	if (*compiled_sys != NUL)
	{
	    msg_puts("@");
	    msg_puts((char *)compiled_sys);
	}
    }
#endif

#if defined(FEAT_HUGE)
    msg_puts(_("\nHuge version "));
#elif defined(FEAT_NORMAL)
    msg_puts(_("\nNormal version "));
#else
    msg_puts(_("\nTiny version "));
#endif
#if !defined(FEAT_GUI)
    msg_puts(_("without GUI."));
#elif defined(FEAT_GUI_GTK)
# if defined(USE_GTK3)
    msg_puts(_("with GTK3 GUI."));
# elif defined(FEAT_GUI_GNOME)
     msg_puts(_("with GTK2-GNOME GUI."));
# else
     msg_puts(_("with GTK2 GUI."));
# endif
#elif defined(FEAT_GUI_MOTIF)
    msg_puts(_("with X11-Motif GUI."));
#elif defined(FEAT_GUI_HAIKU)
    msg_puts(_("with Haiku GUI."));
#elif defined(FEAT_GUI_PHOTON)
    msg_puts(_("with Photon GUI."));
#elif defined(MSWIN)
    msg_puts(_("with GUI."));
#endif
    version_msg(_("  Features included (+) or not (-):\n"));

    list_features();
    if (msg_col > 0)
	msg_putchar('\n');

#ifdef SYS_VIMRC_FILE
    version_msg(_("   system vimrc file: \""));
    version_msg(SYS_VIMRC_FILE);
    version_msg("\"\n");
#endif
#ifdef USR_VIMRC_FILE
    version_msg(_("     user vimrc file: \""));
    version_msg(USR_VIMRC_FILE);
    version_msg("\"\n");
#endif
#ifdef USR_VIMRC_FILE2
    version_msg(_(" 2nd user vimrc file: \""));
    version_msg(USR_VIMRC_FILE2);
    version_msg("\"\n");
#endif
#ifdef USR_VIMRC_FILE3
    version_msg(_(" 3rd user vimrc file: \""));
    version_msg(USR_VIMRC_FILE3);
    version_msg("\"\n");
#endif
#ifdef USR_EXRC_FILE
    version_msg(_("      user exrc file: \""));
    version_msg(USR_EXRC_FILE);
    version_msg("\"\n");
#endif
#ifdef USR_EXRC_FILE2
    version_msg(_("  2nd user exrc file: \""));
    version_msg(USR_EXRC_FILE2);
    version_msg("\"\n");
#endif
#ifdef FEAT_GUI
# ifdef SYS_GVIMRC_FILE
    version_msg(_("  system gvimrc file: \""));
    version_msg(SYS_GVIMRC_FILE);
    version_msg("\"\n");
# endif
    version_msg(_("    user gvimrc file: \""));
    version_msg(USR_GVIMRC_FILE);
    version_msg("\"\n");
# ifdef USR_GVIMRC_FILE2
    version_msg(_("2nd user gvimrc file: \""));
    version_msg(USR_GVIMRC_FILE2);
    version_msg("\"\n");
# endif
# ifdef USR_GVIMRC_FILE3
    version_msg(_("3rd user gvimrc file: \""));
    version_msg(USR_GVIMRC_FILE3);
    version_msg("\"\n");
# endif
#endif
    version_msg(_("       defaults file: \""));
    version_msg(VIM_DEFAULTS_FILE);
    version_msg("\"\n");
#ifdef FEAT_GUI
# ifdef SYS_MENU_FILE
    version_msg(_("    system menu file: \""));
    version_msg(SYS_MENU_FILE);
    version_msg("\"\n");
# endif
#endif
#ifdef HAVE_PATHDEF
    if (*default_vim_dir != NUL)
    {
	version_msg(_("  fall-back for $VIM: \""));
	version_msg((char *)default_vim_dir);
	version_msg("\"\n");
    }
    if (*default_vimruntime_dir != NUL)
    {
	version_msg(_(" f-b for $VIMRUNTIME: \""));
	version_msg((char *)default_vimruntime_dir);
	version_msg("\"\n");
    }
    version_msg(_("Compilation: "));
    version_msg((char *)all_cflags);
    version_msg("\n");
#ifdef VMS
    if (*compiler_version != NUL)
    {
	version_msg(_("Compiler: "));
	version_msg((char *)compiler_version);
	version_msg("\n");
    }
#endif
    version_msg(_("Linking: "));
    version_msg((char *)all_lflags);
#endif
#ifdef DEBUG
    version_msg("\n");
    version_msg(_("  DEBUG BUILD"));
#endif
}

static void do_intro_line(int row, char_u *mesg, int add_version, int attr);
static void intro_message(int colon);

/*
 * Show the intro message when not editing a file.
 */
    void
maybe_intro_message(void)
{
    if (BUFEMPTY()
	    && curbuf->b_fname == NULL
	    && firstwin->w_next == NULL
	    && vim_strchr(p_shm, SHM_INTRO) == NULL)
	intro_message(FALSE);
}

/*
 * Give an introductory message about Vim.
 * Only used when starting Vim on an empty file, without a file name.
 * Or with the ":intro" command (for Sven :-).
 */
    static void
intro_message(
    int		colon)		// TRUE for ":intro"
{
    int		i;
    int		row;
    int		blanklines;
    int		sponsor;
    char	*p;
    static char	*(lines[]) =
    {
	N_("VIM - Vi IMproved"),
	"",
	N_("version "),
	N_("by Bram Moolenaar et al."),
#ifdef MODIFIED_BY
	" ",
#endif
	N_("Vim is open source and freely distributable"),
	"",
	N_("Help poor children in Uganda!"),
	N_("type  :help iccf<Enter>       for information "),
	"",
	N_("type  :q<Enter>               to exit         "),
	N_("type  :help<Enter>  or  <F1>  for on-line help"),
	N_("type  :help version9<Enter>   for version info"),
	NULL,
	"",
	N_("Running in Vi compatible mode"),
	N_("type  :set nocp<Enter>        for Vim defaults"),
	N_("type  :help cp-default<Enter> for info on this"),
    };
#ifdef FEAT_GUI
    static char	*(gui_lines[]) =
    {
	NULL,
	NULL,
	NULL,
	NULL,
#ifdef MODIFIED_BY
	NULL,
#endif
	NULL,
	NULL,
	NULL,
	N_("menu  Help->Orphans           for information    "),
	NULL,
	N_("Running modeless, typed text is inserted"),
	N_("menu  Edit->Global Settings->Toggle Insert Mode  "),
	N_("                              for two modes      "),
	NULL,
	NULL,
	NULL,
	N_("menu  Edit->Global Settings->Toggle Vi Compatible"),
	N_("                              for Vim defaults   "),
    };
#endif

    // blanklines = screen height - # message lines
    blanklines = (int)Rows - (ARRAY_LENGTH(lines) - 1);
    if (!p_cp)
	blanklines += 4;  // add 4 for not showing "Vi compatible" message

    // Don't overwrite a statusline.  Depends on 'cmdheight'.
    if (p_ls > 1)
	blanklines -= Rows - topframe->fr_height;
    if (blanklines < 0)
	blanklines = 0;

    // Show the sponsor and register message one out of four times, the Uganda
    // message two out of four times.
    sponsor = (int)time(NULL);
    sponsor = ((sponsor & 2) == 0) - ((sponsor & 4) == 0);

    // start displaying the message lines after half of the blank lines
    row = blanklines / 2;
    if ((row >= 2 && Columns >= 50) || colon)
    {
	for (i = 0; i < (int)ARRAY_LENGTH(lines); ++i)
	{
	    p = lines[i];
#ifdef FEAT_GUI
	    if (p_im && gui.in_use && gui_lines[i] != NULL)
		p = gui_lines[i];
#endif
	    if (p == NULL)
	    {
		if (!p_cp)
		    break;
		continue;
	    }
	    if (sponsor != 0)
	    {
		if (strstr(p, "children") != NULL)
		    p = sponsor < 0
			? N_("Sponsor Vim development!")
			: N_("Become a registered Vim user!");
		else if (strstr(p, "iccf") != NULL)
		    p = sponsor < 0
			? N_("type  :help sponsor<Enter>    for information ")
			: N_("type  :help register<Enter>   for information ");
		else if (strstr(p, "Orphans") != NULL)
		    p = N_("menu  Help->Sponsor/Register  for information    ");
	    }
	    if (*p != NUL)
		do_intro_line(row, (char_u *)_(p), i == 2, 0);
	    ++row;
	}
    }

    // Make the wait-return message appear just below the text.
    if (colon)
	msg_row = row;
}

    static void
do_intro_line(
    int		row,
    char_u	*mesg,
    int		add_version,
    int		attr)
{
    char_u	vers[20];
    int		col;
    char_u	*p;
    int		l;
    int		clen;
#ifdef MODIFIED_BY
# define MODBY_LEN 150
    char_u	modby[MODBY_LEN];

    if (*mesg == ' ')
    {
	vim_strncpy(modby, (char_u *)_("Modified by "), MODBY_LEN - 1);
	l = (int)STRLEN(modby);
	vim_strncpy(modby + l, (char_u *)MODIFIED_BY, MODBY_LEN - l - 1);
	mesg = modby;
    }
#endif

    // Center the message horizontally.
    col = vim_strsize(mesg);
    if (add_version)
    {
	STRCPY(vers, mediumVersion);
	if (highest_patch())
	{
	    // Check for 9.9x or 9.9xx, alpha/beta version
	    if (isalpha((int)vers[3]))
	    {
		int len = (isalpha((int)vers[4])) ? 5 : 4;
		sprintf((char *)vers + len, ".%d%s", highest_patch(),
							 mediumVersion + len);
	    }
	    else
		sprintf((char *)vers + 3, ".%d", highest_patch());
	}
	col += (int)STRLEN(vers);
    }
    col = (Columns - col) / 2;
    if (col < 0)
	col = 0;

    // Split up in parts to highlight <> items differently.
    for (p = mesg; *p != NUL; p += l)
    {
	clen = 0;
	for (l = 0; p[l] != NUL
			 && (l == 0 || (p[l] != '<' && p[l - 1] != '>')); ++l)
	{
	    if (has_mbyte)
	    {
		clen += ptr2cells(p + l);
		l += (*mb_ptr2len)(p + l) - 1;
	    }
	    else
		clen += byte2cells(p[l]);
	}
	screen_puts_len(p, l, row, col, *p == '<' ? HL_ATTR(HLF_8) : attr);
	col += clen;
    }

    // Add the version number to the version line.
    if (add_version)
	screen_puts(vers, row, col, 0);
}

/*
 * ":intro": clear screen, display intro screen and wait for return.
 */
    void
ex_intro(exarg_T *eap UNUSED)
{
    screenclear();
    intro_message(TRUE);
    wait_return(TRUE);
}