Issue 1016 in lilypond: Wrong absolute dimensions (negative global staff size or the like) should be detected and corrected

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium Warning

New issue 1016 by brownian.box: Wrong absolute dimensions (negative global  
staff size or the like) should be detected and corrected
http://code.google.com/p/lilypond/issues/detail?id=1016

Reported by Phil Holmes,
http://lists.gnu.org/archive/html/lilypond-user/2010-02/msg00463.html

Setting global staff size to zero or negative value, as well as feeding
these to make-pango-font-tree produces no output (or strange output) and
unclear log messages (may be even a lot of messages, as reported).

Snippet --- just for tracking.-)

% the same with 2.12 at least (and others i guess)
\version "2.13.13"

% #(set-global-staff-size 0)

\paper  {
  myStaffSize = #-20
  #(define fonts
    (make-pango-font-tree "Times New Roman"
     "Nimbus Sans"
     "Luxi Mono"
     (/ myStaffSize 20)))
}

\relative c'{
  c1-\markup {
    roman,
      \sans sans,
      \typewriter typewriter. }
}

Attachments:
        pango--negative-size.png  2.7 KB

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