https://codereview.appspot.com/570540043/diff/548530043/scm/fret-diagrams.scm File scm/fret-diagrams.scm (right): https://codereview.appspot.com/570540043/diff/548530043/scm/fret-diagrams.scm#newcode267 scm/fret-diagrams.scm:267: (symbol->string my-code)))) symbol->string relies on my-code being a symbol. Faulty user-input may be a symbol or something else, though. Probably object->string is better? https://codereview.appspot.com/570540043/ _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel