fixed syntax errors

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25871 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/re_syntax.tex

@@ -627,7 +627,7 @@ Note that the character names are case sensitive.
 \twocolitem{number-sign}{'\#'}
 \twocolitem{dollar-sign}{'\$'}
 \twocolitem{percent-sign}{'\%'}
-\twocolitem{ampersand}{'&'}
+\twocolitem{ampersand}{'\&'}
 \twocolitem{apostrophe}{'$\backslash$''}
 \twocolitem{left-parenthesis}{'('}
 \twocolitem{right-parenthesis}{')'}
@@ -668,7 +668,7 @@ Note that the character names are case sensitive.
 \twocolitem{grave-accent}{'`'}
 \twocolitem{left-brace}{'\{'}
 \twocolitem{left-curly-bracket}{'\{'}
-\twocolitem{vertical-line}{'\|'}
+\twocolitem{vertical-line}{'$|$'}
 \twocolitem{right-brace}{'\}'}
 \twocolitem{right-curly-bracket}{'\}'}
 \twocolitem{tilde}{'$~$'}