Beni Cherniavsky-Paskin trying double dollars  about 10 years ago

Commit id: 6d86221d62e05f09c551736cd63a51d0f9385cac

deletions | additions      

       

inline \\( \frac{kram}{down} \\) ?  \\[ \sum_0^\infty \\]  http://kramdown.gettalong.org/syntax.html#math-blocks =>  inline $$ \frac{kram}{down} $$ ?  $$ \sum_0^\infty $$