rename *.md file together with *.html

if called like this:
    bb.sh edit -n posted.md
then editing title will rename posted.html to reflect new title.
Now it will rename posted.md, too

bb.sh

@@ -380,6 +380,7 @@ edit() {
             parse_file "$TMPFILE" "$edit_timestamp" "$filename"
         else
             parse_file "$TMPFILE" "$edit_timestamp" # this command sets $filename as the html processed file
+            [[ "${1##*.}" == "md" ]] && mv "$1" "${filename%%.*}.md" 2>/dev/null
         fi
         rm "$TMPFILE"
     fi