The problem:
when using large time signatures, set to “Narrow, serif”, Dorico uses incorrect glyphs for the plus signs.
You can see it in Library/Music Symbols:
- Time signature + (for numerators) (narrow): U+F512 (timeSigPlusNarrow), instead of U+F513 (timeSigPlusSmallNarrow)
- Time signature + (narrow): U+F44C (timeSigPlusLarge), instead of U+F512 (timeSigPlusNarrow)
This looks like so:
the bug:
editing Music Symbols to use the correct glyphs (timeSigPlusSmallNarrow U+F512 and timeSigPlusNarrow U+F512) produces:
I attach the Dorico file.
Dorico LTS bug.dorico (1.4 MB)
P.S. The plus signs for “Narrow, sans serif” are also mapped in reverse.