Use commands given to formatline option in inline cells.
Move basic formatting from listings to fancyvrb, that way it'll work out of the box also with uselistings=false.
Pass colors to formatline key and not to fancyvrbs formatcom, since due to a bug in fancyvrb, \color command in formatcom results in additional vertical space below Verbatim environment.
Backward incompatible changes.
formatlineoption in inline cells.listingstofancyvrb, that way it'll work out of the box also withuselistings=false.formatlinekey and not tofancyvrbsformatcom, since due to a bug infancyvrb,\colorcommand informatcomresults in additional vertical space belowVerbatimenvironment.