diff --git a/runtime/spell/pt/main.aap b/runtime/spell/pt/main.aap
index 2770f93..e54f9d5 100644
--- a/runtime/spell/pt/main.aap
+++ b/runtime/spell/pt/main.aap
@@ -59,7 +59,8 @@
         :delete {f} description.xml
         :delete {f} dictionaries.xcu
         :delete {f} LICENSES.txt
-        :sys $VIM pt_PT.dic -u NONE -e -c "%s/\t.*//" -c update -c q
+        # Remove grammer items and the duplicates this causes
+        :sys $VIM pt_PT.dic -u NONE -e -c "%s/\t.*//" -c "2,$$ sort u" -c update -c q
         :sys $VIM pt_PT.aff -u NONE -e -c "%s/\S\+=\S\+$$//" -c update -c q
         @if not os.path.exists('pt_PT.orig.aff'):
             :copy pt_PT.aff pt_PT.orig.aff
diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 97fc898..5e6fc7f 100644
--- a/runtime/syntax/tex.vim
+++ b/runtime/syntax/tex.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	TeX
 " Maintainer:	Dr. Charles E. Campbell, Jr. <NdrchipO@ScampbellPfamily.AbizM>
-" Last Change:	Aug 09, 2010 
-" Version:	56
+" Last Change:	Aug 12, 2010 
+" Version:	57
 " URL:		http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
 "
 " Notes: {{{1
@@ -814,8 +814,8 @@
 
  " Superscripts/Subscripts {{{2
  if s:tex_conceal =~ 's'
-  syn region texSuperscript	matchgroup=Delimiter start='\^{'	end='}'	contained concealends contains=texSuperscripts,texStatement
-  syn region texSubscript	matchgroup=Delimiter start='_{'		end='}'	contained concealends contains=texSubscripts,texStatement
+  syn region texSuperscript	matchgroup=Delimiter start='\^{'	end='}'	contained concealends contains=texSuperscripts,texStatement,texSubscript,texSuperscript,texMathMatcher
+  syn region texSubscript	matchgroup=Delimiter start='_{'		end='}'	contained concealends contains=texSubscripts,texStatement,texSubscript,texSuperscript,texMathMatcher
   fun! s:SuperSub(group,leader,pat,cchar)
     exe 'syn match '.a:group." '".a:leader.a:pat."' contained conceal cchar=".a:cchar
     exe 'syn match '.a:group."s '".a:pat."' contained conceal cchar=".a:cchar.' nextgroup='.a:group.'s'