Update runtime files.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 00d01bc..ad61a8b 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 8.2. Last change: 2020 Nov 22
+*syntax.txt* For Vim version 8.2. Last change: 2020 Dec 04
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -3183,6 +3183,7 @@
TEX *tex.vim* *ft-tex-syntax* *latex-syntax*
+ *syntax-tex* *syntax-latex*
Tex Contents~
Tex: Want Syntax Folding? |tex-folding|
@@ -3199,6 +3200,7 @@
Tex: Selective Conceal Mode |g:tex_conceal|
Tex: Controlling iskeyword |g:tex_isk|
Tex: Fine Subscript and Superscript Control |tex-supersub|
+ Tex: Match Check Control |tex-matchcheck|
*tex-folding* *g:tex_fold_enabled*
Tex: Want Syntax Folding? ~
@@ -3422,6 +3424,22 @@
< in ~/.vim/ftplugin/tex/tex.vim in order to avoid having inscrutable
utf-8 glyphs appear.
+ *tex-matchcheck* *g:tex_matchcheck*
+ Tex: Match Check Control~
+
+ Sometimes one actually wants mismatched parentheses, square braces,
+ and or curly braces; for example, \text{(1,10] is a range from but
+ not including 1 to and including 10}. This wish, of course, conflicts
+ with the desire to provide delimiter mismatch detection. To
+ accommodate these conflicting goals, syntax/tex.vim provides >
+ g:tex_matchcheck = '[({[]'
+< which is shown along with its default setting. So, if one doesn't
+ want [] and () to be checked for mismatches, try using >
+ let g:tex_matchcheck= '[{}]'
+< If you don't want matching to occur inside bold and italicized
+ regions, >
+ let g:tex_excludematcher= 1
+< will prevent the texMatcher group from being included in those regions.
TF *tf.vim* *ft-tf-syntax*