Issue 2314 in lilypond: Unnecessary space glyph in postscript output

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Other

New issue 2314 by address@hidden: Unnecessary space glyph in  
postscript output
http://code.google.com/p/lilypond/issues/detail?id=2314

Reported by Werner Lemberg:
http://lists.gnu.org/archive/html/bug-lilypond/2012-02/msg00552.html
http://article.gmane.org/gmane.comp.gnu.lilypond.bugs/33448

Consider this input:

  \header {
    footer = ""
    tagline = ""
    copyright = ""
  }

  { c' }

If you convert this with

  lilypond --ps

you can see the following in the created PostScript code:

  5.6906 -2.8453 moveto
  /CenturySchL-Roma 3.86523438 output-scale div selectfont
  0.6146 0.0000 0.0000 /space
  1 print_glyphs

We don't have any text, but lilypond still unnecessarily emits a
`/space' glyph (and consequently embeds the New Centry Schoolbook
font).

This is essentially harmless, but IMHO it should be fixed eventually.
I suspect that the header formatting Scheme code misses some checks to
test whether we actually have input.

    Werner