@startuml !function $nl() ' with %breakline() it works ' !return %breakline() ' with %newline() it produces a crash with stacktrace !return %newline() !endfunction !unquoted procedure $defineSkinparams($tagStereo, $bgColor, $fontColor) !$element = "rectangle" !$elementSkin = "skinparam " + $element + "<<" + $tagStereo + ">> {" + %newline() !$elementSkin = $elementSkin + " FontColor " + $fontColor + %newline() !$elementSkin = $elementSkin + "}" + %newline() !$tagSkin = $nl() + "<style>" + $nl() !$tagSkin = $tagSkin + " label {" + $nl() !$tagSkin = $tagSkin + " ." + $tagStereo + " {" + $nl() !$tagSkin = $tagSkin + " StereotypeFontColor " + $bgColor + $nl() !$tagSkin = $tagSkin + " Fontcolor " + $bgColor + $nl() !$tagSkin = $tagSkin + " }" + $nl() !$tagSkin = $tagSkin + " }" + $nl() !$tagSkin = $tagSkin + "</style>" + $nl() ' following line produces a crash with stack trace !$mixed = $elementSkin + $tagSkin ' following line produces an error (without crash and stack trace) ' Error line 28 in file: .\TODO2.puml ' !$mixed = $tagSkin $mixed !endprocedure $defineSkinparams("bluelabel", blue, red) rectangle "RECTANGLE" as r <<bluelabel>> label "LABEL" as l <<bluelabel>> @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art