# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1295654300 -3600
# Node ID 7b44c70ee8ab87d5265ebec758a6f5ea9d5cfa75
# Parent  862d920800b1a8a5ebca3e7db5dbe431982f7d0d
updated for version 7.3.104
Problem:    Conceal: using Tab for cchar causes problems. (ZyX)
Solution:   Do not accept a control character for cchar.

diff --git a/src/syntax.c b/src/syntax.c
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -4537,6 +4537,13 @@ get_syn_options(arg, opt, conceal_char)
 		;
 #endif
 	    }
+#ifdef FEAT_CONCEAL
+	    if (!vim_isprintc_strict(*conceal_char))
+	    {
+		EMSG(_("E844: invalid cchar value"));
+		return NULL;
+	    }
+#endif
 	    arg = skipwhite(arg + 7);
 	}
 	else
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    104,
+/**/
     103,
 /**/
     102,