Apex and Grid Tables

Apex 1.1.0 adds support for Pandoc-style grid tables — those ASCII-art tables built with + , - , = , and | instead of the usual pipe-table separators. If you have ever copied a grid table out of a Pandoc doc or academic paper and wished your Markdown processor would just deal with it, this one is for you. First, thanks to Andreas Kraft for some pointers that got me here. The implementation follows Pandoc’s grid table extension : border rows, header separators, alignment markers, multiline cells, colspan, an