keywarn bool

Default Command line Scope Available in
truenonegenerationabcm2ps >= 7.1.2
abc2svg

When set, if a key signature change occurs at the beginning of a music line, a cautionary key signature is added at the end of the previous line.

%abc-2.1 %%pagewidth 12cm
X:1 M:C L:1/4 K:G GGGG | GGGG | K:F FFFF |
X:2 %%pagewidth 12cm M:C L:1/4 K:G %%keywarn 0 GGGG | GGGG | K:F FFFF |