' ; #Markup sobstitution Markup('{$', '>[=', '/\\{\\$(.*?)\\$\\}/', "FmtAMmathjax"); #Added button, if is missing add the image http://www.pmichaud.com/pmwiki/pub/guiedit/math.gif . #to your your folder pmwiki/pub/guiedit/ SDV($GUIButtons['math'], array(1000, '{$ ', ' $}', '+-sqrt(n)', '$FarmPubDirUrl/guiedit/math.gif"$[Math formula (ASCIIMathML)]"')); function FmtAMmathjax($m) { return Keep('`'. $m[1] . '`'); }