OptInt PmWiki . ... Edit Page | ... Markup Expressions . ... The {(...)} "expression markup" allows for a variety of string and formatting operations to be performed from within markup. Operations defined by this recipe include substr , ftime , strlen , rand , toupper / tolower , ucfirst , ucwords , pagename and asspaced . The "substr" expression extracts portions of a string. ... ftime "fmt" "when")} . ... The "ucfirst" expression converts the first character of a string to uppercase. ...