Improve heading movement commands
treeb405ed0a26c8917df259b01ee680169f0502ce37
-rw-r--r-- 17 .gitignore
-rw-r--r-- 18092 LICENSE
-rw-r--r-- 36358 README.md
-rw-r--r-- 233460 markdown-mode.el
drwxr-xr-x - tests
-rwxr-xr-x 1454 webpage.sh