Add support for $toc-title$ to LaTeX (and PDF). (#4853)

MANUAL.txt

@@ -1352,7 +1352,7 @@ depending on the output format, but include the following:
 
 `toc-title`
 :   title of table of contents (works only with EPUB,
-    opendocument, odt, docx, pptx, beamer)
+    opendocument, odt, docx, pptx, beamer, LaTeX)
 
 `include-before`
 :   contents specified by `-B/--include-before-body` (may have

data/templates/default.latex

@@ -360,6 +360,9 @@ $include-before$
 
 $endfor$
 $if(toc)$
+$if(toc-title)$
+\renewcommand*\contentsname{$toc-title$}
+$endif$
 $if(beamer)$
 \begin{frame}
 $if(toc-title)$