webapp/mathjax: filter out non-formulas in markdown/mathjax processing, when there is just one $ in a line (command line, USD, ...)
webapp/mathjax: filter out non-formulas in markdown/mathjax processing, when there is just one $ in a line (command line, USD, ...)

tscholl2/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,DrXyzzy/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc