ttscoff/MarkdownEditing — pull request #15 by Westacular (2012-08-31 05:29:54+00:00)
Title: Fix padded header expanding selection issue

When the #s reset from six to none, the selection unexpectedly expands
to contain the trailing newline.

I don't know why Sublime is doing that. This stops it. (Strictly
speaking: this undoes the expansion.)