[PATCH] match other common markdown file extensions

[Chris Burroughs]

---
 filters/about-formatting.sh |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/filters/about-formatting.sh b/filters/about-formatting.sh
index 892fbeb..d024204 100755
--- a/filters/about-formatting.sh
+++ b/filters/about-formatting.sh
@@ -19,7 +19,7 @@
 
 cd "$(dirname $0)/html-converters/"
 case "$(printf '%s' "$1" | tr '[:upper:]' '[:lower:]')" in
-	*.md|*.mkd) exec ./md2html; ;;
+	*.markdown|*.mdown|*.md|*.mkd) exec ./md2html; ;;
 	*.rst) exec ./rst2html; ;;
 	*.[1-9]) exec ./man2html; ;;
 	*.htm|*.html) exec cat; ;;
-- 
1.7.10.4