aslushnikov/table-of-contents-preprocessor — pull request #4 by cpetrov (2014-10-12 12:07:03+00:00)
Title: Improve compatibility with some Markdown renderers

Some Markdown flavors (e.g. GitLab Favored Markdown) convert headers
to URLs replacing all characters which are not Latin and numeric
with "-". This change improves the compatibility with them.