Use \textsubscr instead of \textsubscript for LaTeX subscript macro.

\textsubscript conflicts with a definition in the memoir class.
Resolves Issue #65.


git-svn-id: https://pandoc.googlecode.com/svn/trunk@1280 788f1e2b-df1e-0410-8736-df70ead52e1b

Text/Pandoc/Writers/LaTeX.hs

@@ -257,9 +257,9 @@ inlineToLaTeX (Superscript lst) =
 inlineToLaTeX (Subscript lst) = do
   contents <- inlineListToLaTeX $ deVerb lst
   -- oddly, latex includes \textsuperscript but not \textsubscript
-  -- so we have to define it:
-  addToHeader "\\newcommand{\\textsubscript}[1]{\\ensuremath{_{\\scriptsize\\textrm{#1}}}}"
-  return $ inCmd "textsubscript" contents
+  -- so we have to define it (using a different name so as not to conflict with memoir class):
+  addToHeader "\\newcommand{\\textsubscr}[1]{\\ensuremath{_{\\scriptsize\\textrm{#1}}}}"
+  return $ inCmd "textsubscr" contents
 inlineToLaTeX (Code str) = do
   st <- get
   if stInNote st

tests/writer.latex

@@ -5,7 +5,7 @@
 \setlength{\parindent}{0pt}
 \setlength{\parskip}{6pt plus 2pt minus 1pt}
 
-\newcommand{\textsubscript}[1]{\ensuremath{_{\scriptsize\textrm{#1}}}}
+\newcommand{\textsubscr}[1]{\ensuremath{_{\scriptsize\textrm{#1}}}}
 \usepackage[breaklinks=true]{hyperref}
 \usepackage[normalem]{ulem}
 \usepackage{enumerate}
@@ -529,8 +529,8 @@ This is code: \verb!>!, \verb!$!, \verb!\!, \verb!\$!,
 Superscripts: a\textsuperscript{bc}d
 a\textsuperscript{\emph{hello}} a\textsuperscript{hello there}.
 
-Subscripts: H\textsubscript{2}O, H\textsubscript{23}O,
-H\textsubscript{many of them}O.
+Subscripts: H\textsubscr{2}O, H\textsubscr{23}O,
+H\textsubscr{many of them}O.
 
 These should not be superscripts or subscripts, because of the
 unescaped spaces: a\^{}b c\^{}d, a\ensuremath{\sim}b