One nice feature that TextMate’s Markdown bundle has is being able to easily
mark a header by going to the line after a header, typing # followed by
Turns into this:
Here’s how to do this in Vim:
Don’t know what those commands do? Find out with Vim’s built-in help (:h, use it!).
:t. copies the text of the current line to to the line below
the line given, and then
s/./#/g substitutes any character on that line with