lang/markdown: add multimarkdown compiler support

modules/lang/markdown/autoload.el

@@ -75,6 +75,16 @@ Returns its exit code."
                          "pandoc" "-f" "markdown" "-t" "html"
                          "--standalone" "--mathjax" "--highlight-style=pygments")))
 
+;;;###autoload
+(defun +markdown-compile-multimarkdown (beg end output-buffer)
+  "Compiles markdown with the multimarkdown program, if available. Returns its
+exit code."
+  (when (executable-find "multimarkdown")
+    (call-process-region beg end
+                         shell-file-name nil output-buffer nil
+                         shell-command-switch
+                         "multimarkdown")))
+
 ;;;###autoload
 (defun +markdown-compile-markdown (beg end output-buffer)
   "Compiles markdown using the Markdown.pl script (or markdown executable), if

modules/lang/markdown/config.el

@@ -3,7 +3,8 @@
 (defvar +markdown-compile-functions
   '(+markdown-compile-marked
     +markdown-compile-pandoc
-    +markdown-compile-markdown)
+    +markdown-compile-markdown
+    +markdown-compile-multimarkdown)
   "A list of commands to try when attempting to build a markdown file with
 `markdown-open' or `markdown-preview', stopping at the first one to return non-nil.