diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 1d777f8..d5f900a 100644
--- a/runtime/syntax/tex.vim
+++ b/runtime/syntax/tex.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	TeX
 " Maintainer:	Charles E. Campbell <NdrchipO@ScampbellPfamily.AbizM>
-" Last Change:	Dec 11, 2017
-" Version:	107
+" Last Change:	Mar 30, 2018
+" Version:	109
 " URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_TEX
 "
 " Notes: {{{1
@@ -396,7 +396,7 @@
 
 " Bad Math (mismatched): {{{1
 if !exists("g:tex_no_math") && !s:tex_no_error
- syn match texBadMath		"\\end\s*{\s*\(array\|bBpvV]matrix\|split\|smallmatrix\)\s*}"
+ syn match texBadMath		"\\end\s*{\s*\(array\|[bBpvV]matrix\|split\|smallmatrix\)\s*}"
  syn match texBadMath		"\\end\s*{\s*\(displaymath\|equation\|eqnarray\|math\)\*\=\s*}"
  syn match texBadMath		"\\[\])]"
 endif
@@ -1012,6 +1012,48 @@
   syn match texMathSymbol '\\hat{y}' contained conceal cchar=ŷ
   syn match texMathSymbol '\\hat{Y}' contained conceal cchar=Ŷ
 "  syn match texMathSymbol '\\bar{a}' contained conceal cchar=a̅
+
+  syn match texMathSymbol '\\dot{B}' contained conceal cchar=Ḃ
+  syn match texMathSymbol '\\dot{b}' contained conceal cchar=ḃ
+  syn match texMathSymbol '\\dot{D}' contained conceal cchar=Ḋ
+  syn match texMathSymbol '\\dot{d}' contained conceal cchar=ḋ
+  syn match texMathSymbol '\\dot{F}' contained conceal cchar=Ḟ
+  syn match texMathSymbol '\\dot{f}' contained conceal cchar=ḟ
+  syn match texMathSymbol '\\dot{H}' contained conceal cchar=Ḣ
+  syn match texMathSymbol '\\dot{h}' contained conceal cchar=ḣ
+  syn match texMathSymbol '\\dot{M}' contained conceal cchar=Ṁ
+  syn match texMathSymbol '\\dot{m}' contained conceal cchar=ṁ
+  syn match texMathSymbol '\\dot{N}' contained conceal cchar=Ṅ
+  syn match texMathSymbol '\\dot{n}' contained conceal cchar=ṅ
+  syn match texMathSymbol '\\dot{P}' contained conceal cchar=Ṗ
+  syn match texMathSymbol '\\dot{p}' contained conceal cchar=ṗ
+  syn match texMathSymbol '\\dot{R}' contained conceal cchar=Ṙ
+  syn match texMathSymbol '\\dot{r}' contained conceal cchar=ṙ
+  syn match texMathSymbol '\\dot{S}' contained conceal cchar=Ṡ
+  syn match texMathSymbol '\\dot{s}' contained conceal cchar=ṡ
+  syn match texMathSymbol '\\dot{T}' contained conceal cchar=Ṫ
+  syn match texMathSymbol '\\dot{t}' contained conceal cchar=ṫ
+  syn match texMathSymbol '\\dot{W}' contained conceal cchar=Ẇ
+  syn match texMathSymbol '\\dot{w}' contained conceal cchar=ẇ
+  syn match texMathSymbol '\\dot{X}' contained conceal cchar=Ẋ
+  syn match texMathSymbol '\\dot{x}' contained conceal cchar=ẋ
+  syn match texMathSymbol '\\dot{Y}' contained conceal cchar=Ẏ
+  syn match texMathSymbol '\\dot{y}' contained conceal cchar=ẏ
+  syn match texMathSymbol '\\dot{Z}' contained conceal cchar=Ż
+  syn match texMathSymbol '\\dot{z}' contained conceal cchar=ż
+
+  syn match texMathSymbol '\\dot{C}' contained conceal cchar=Ċ
+  syn match texMathSymbol '\\dot{c}' contained conceal cchar=ċ
+  syn match texMathSymbol '\\dot{E}' contained conceal cchar=Ė
+  syn match texMathSymbol '\\dot{e}' contained conceal cchar=ė
+  syn match texMathSymbol '\\dot{G}' contained conceal cchar=Ġ
+  syn match texMathSymbol '\\dot{g}' contained conceal cchar=ġ
+  syn match texMathSymbol '\\dot{I}' contained conceal cchar=İ
+
+  syn match texMathSymbol '\\dot{A}' contained conceal cchar=Ȧ
+  syn match texMathSymbol '\\dot{a}' contained conceal cchar=ȧ
+  syn match texMathSymbol '\\dot{O}' contained conceal cchar=Ȯ
+  syn match texMathSymbol '\\dot{o}' contained conceal cchar=ȯ
  endif
 
  " Greek {{{2