Issue 1900 in lilypond: Multiple fret-diagram-x markup commands and lilypond safe-mode

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Crash

New issue 1900 by address@hidden: Multiple fret-diagram-x  
markup commands and lilypond safe-mode
http://code.google.com/p/lilypond/issues/detail?id=1900

Long email exchange here:  
http://lists.gnu.org/archive/html/bug-lilypond/2010-11/msg00014.html gives  
fuller details.  Processing 2 files on the command line can be made to  
cause this error:

s2.ly:5:21: error: GUILE signaled an error for the expression beginning here
\fret-diagram-terse #
                     "x;x;o;2;3;2;"
Wrong type argument in position 1 (expecting module): #<freed cell  
0xb6d06880;
GC missed a reference>