[Bug 38977] New: gdi32: tabs are rendered as an rectangle in license text of Quake III Arena demo installer

https://bugs.winehq.org/show_bug.cgi?id=38977

            Bug ID: 38977
           Summary: gdi32: tabs are rendered as an rectangle in license
                    text of Quake III Arena demo installer
           Product: Wine
           Version: 1.7.47
          Hardware: x86
               URL: ftp://ftp.idsoftware.com/idstuff/quake3/win32/Q3ADemo.
                    exe
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdi32
          Assignee: wine-bugs(a)winehq.org
          Reporter: bernhardu(a)vr-web.de
                CC: sagawa.aki+winebugs(a)gmail.com
   Regression SHA1: 01280cff91896bf3cbd19fbc66d464162598768e
      Distribution: Debian

Created attachment 51928
  --> https://bugs.winehq.org/attachment.cgi?id=51928
Quake III Arena demo installer, license text with tabs as rectangle

While investigating for a different bug Quake III Arena demo installer I saw
that the tabulator characters in the license text are rendered as a black
rectangle.

Tests with older wine versions (<= 1.6) did not show this error.

A git bisect points to this commit:
01280cff91896bf3cbd19fbc66d464162598768e is the first bad commit
commit 01280cff91896bf3cbd19fbc66d464162598768e
Author: Akihiro Sagawa <sagawa.aki(a)gmail.com>
Date:   Wed Jul 31 23:16:24 2013 +0900

    Revert "gdi32: Use the default character when the glyph is missing.".

    This reverts commit 15aa8daf6447b6f819dfc8de15db7db7645738ef.
    It breaks the default character rendering in some bitmap fonts, e.g.
Fixedsys.


When adding the line removed by this commit to current head the glitch is not
visible anymore.

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