Issue 1258 in lilypond: Chord repetition with "q" gives error when used in tremolo

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Low

New issue 1258 by address@hidden: Chord repetition with "q" gives  
error when used in tremolo
http://code.google.com/p/lilypond/issues/detail?id=1258

\version "2.13.32"

\new Staff \relative c'
{
  %Causes error:
  <c e>8 q q q \repeat tremolo 4 q |

  %This works:
  %<c e>8 q q q \repeat tremolo 4 <c e> |
}

Error:
Interpreting music...
/home/jay/lilypond/usr/share/lilypond/current/scm/lily-library.scm:210:5:
In procedure ly:book-process in expression (process-procedure book
paper ...):
/home/jay/lilypond/usr/share/lilypond/current/scm/lily-library.scm:210:5:
Wrong type (expecting exact integer): ()

---
From the docs one should be able to use "q" as equivalent to repeating the  
chord manually.
So this seems to be a problem with parsing the input (?)