Add segment-final phantom measures

trevorbaca / baca

Trevor Bača's Abjad library.

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Add segment-final phantom measures #15

Open trevorbaca opened 5 years ago

trevorbaca commented 5 years ago

[x] add phantom measure tags
[x] teach segment-maker to make phantom measure
[ ] write phantom measure spanner tests
[x] teach build process to remove phantom measures from nonfinal segments
[x] teach build process to preserve final segment phantom measure
[ ] Allow right-broken text spanners on phantom measures.
[ ] Allow right-broken hairpins on phantom measures.
[ ] Allow right-broken glissandi on phantom measures.
[ ] Write right-broken phantom measure tests.

trevorbaca commented 5 years ago

Consider the case where text spanner terminates at phantom measure. StopTextSpan is currently not found by _get_persistent_wrappers(). This means that StartTextSpan currently gets (wrongly) put in metadata. Workaround is to terminate spanner prior to phantom measure. Fix so workaround isn't necessary.