>> OK, thanks. I wonder how the heuristics could be improved. Given >> that a lyric hyphen must be preceded by whitespace, while normally >> `--` as an articulation is following a non-whitespace character, >> maybe a look-behind assertion for the latter would help? Something >> similar could be done for numbers. > > This is not a priority for me compared to contributions to LilyPond > and I am already lacking time to review contributions on the > Pygments repository (I was made a maintainer some time after I > contributed the LilyPond support). I won't work on this, but feel > free to open a PR at Pygments.
Done, see https://github.com/pygments/pygments/pull/2283 Werner