bstemdown bool

Default Command line Scope Available in
falsenoneimmediate
voice
abcm2ps
abc2svg

When set, the stem of the note in the middle of the staff goes downwards.
Otherwise, it goes upwards or downwards according to either the previous or following note.

%abc-2.1 %%singleline 1
X:1 M:3/4 L:1/4 K:C cBc | ABA |
X:2 M:3/4 L:1/4 K:C %%bstemdown 1 cBc | ABA |