Support --listings in markdown2pdf (Etienne Millon).

man/man1/markdown2pdf.1.md

@@ -48,6 +48,9 @@ packages are not included in your latex setup, they can be obtained from
 -N, \--number-sections
 :   Number section headings in LaTeX output.  (Default is not to number them.)
 
+\--listings
+:   Use listings package for LaTeX code blocks
+
 \--template=*FILE*
 :   Use *FILE* as a custom template for the generated document. Implies
     `-s`. See the section TEMPLATES in `pandoc`(1) for information about

src/markdown2pdf.hs

@@ -155,7 +155,7 @@ main = bracket
                    "--include-before-body","--include-after-body",
                    "--custom-header","--output",
                    "--template", "--variable",
-                   "--csl", "--bibliography", "--data-dir"]
+                   "--csl", "--bibliography", "--data-dir", "--listings"]
     let isOpt ('-':_) = True
         isOpt _       = False
     let opts = filter isOpt args