make external_binary web, osx 10.3.9, etc. "make web" chokes on this file.
lilypond can make beam-quant-standard.ly, but it can't make the
automatically-generated lily-18blahblah.ly file:
----
spark:~/usr/src/lilypond/input/regression/out-www gperciva$ lilypond
lily-1852533672.ly
GNU LilyPond 2.7.38
Processing `lily-1852533672.ly'
Parsing...
Renaming input to: `beam-quant-standard.ly'
Interpreting music... [8][16][24][25]
Preprocessing graphical objects...
Calculating line breaks... [3][6][9][12][15][18][21][24][25]
warning: Error in beam quanting. Expected (2.19,2.19) found (2.81 . 2.81).
warning: Error in beam quanting. Expected (-0.19,-0.19) found (0.0 . 0.0).
warning: Error in beam quanting. Expected (-0.19,-0.19) found (0.0 . 0.0).
warning: Error in beam quanting. Expected (-0.19,-0.19) found (0.0 . 0.0).
warning: Error in beam quanting. Expected (3.0,3.0) found (3.5 . 3.5).
error:
The PostScript backend does not support the 'classic'
framework. Use the EPS backend instead,
lilypond -b eps <file>
or remove the lilypond-book specific settings from the input.