Add additional listings languages.

src/Text/Pandoc/Highlighting.hs

@@ -121,6 +121,8 @@ langsList =
   ("monobasic","Basic"),
   ("purebasic","Basic"),
   ("c","C"),
+  ("cs","C"),
+  ("objectivec","C"),
   ("cpp","C++"),
   ("c++","C++"),
   ("ocaml","Caml"),
@@ -132,7 +134,9 @@ langsList =
   ("comsol","Comsol"),
   ("csh","csh"),
   ("delphi","Delphi"),
+  ("eiffel","Eiffel"),
   ("elan","Elan"),
+  ("elisp","elisp"),
   ("erlang","erlang"),
   ("euphoria","Euphoria"),
   ("fortran","Fortran"),
@@ -169,6 +173,7 @@ langsList =
   ("oberon2","Oberon-2"),
   ("ocl","OCL"),
   ("octave","Octave"),
+  ("oorexx","OORexx"),
   ("oz","Oz"),
   ("pascal","Pascal"),
   ("perl","Perl"),
@@ -195,6 +200,7 @@ langsList =
   ("simula","Simula"),
   ("sparql","SPARQL"),
   ("sql","SQL"),
+  ("swift","Swift"),
   ("tcl","tcl"),
   ("tex","TeX"),
   ("latex","TeX"),