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Issue 2981: Let \set ... = *undefined* unset values rather than overwriting.
authorDavid Kastrup <dak@gnu.org>
Sun, 9 Dec 2012 12:19:38 +0000 (13:19 +0100)
committerDavid Kastrup <dak@gnu.org>
Fri, 14 Dec 2012 08:48:45 +0000 (09:48 +0100)
commit582bb6f37402960bb5d52aff9c7651ff6e8b1e29
tree11aa8efd5a7152442a355ace8eda18491638fb6ftree | snapshot
parentbad0e5f6c8a3e5a40284e4120cb9753b77a8d7b3commit | diff
Issue 2981: Let \set ... = *undefined* unset values rather than overwriting.

Also makes \once\set deal properly with a value that is not previously
defined in the current context.
lily/context.cc diff | blob | history
lily/lily-guile.cc diff | blob | history
lily/property-iterator.cc diff | blob | history
Debian packaging of lilypond