michelf/php-markdown — pull request #148 by jackmcdade (2014-02-07 15:14:31+00:00)
Title: Add $this->default_code_class configuration option for fenced code blocks

Would love to be able to set a default class on all my fenced code blocks. Most, if not all, syntax highlighters require a class or two, so this would reduce repetitive markup or a brittle javascript dependency.