Issue 1272, comment #41: anchor redirection regexp
Issue 3798: Bad beam exceptions in bagpipe.ly
Issue 3794: Fix doc string for ly:context-def-lookup
Issue 3793: Allow scheme functions and identifiers to function as output definitions
Eliminate OUTPUT_DEF_IDENTIFIER as separate token
Parser: remove unused member function declarations and definitions.
Issue 3783: track default tremolo type in the parser
Remove tremoloFlags property (issue 3783)
Simplify tremolo display (issue 3783)
Merge branch 'issue3783' into staging