[Rd] One possible cause for incorrect symbols in X11() output

[Gavin Simpson]

On Thu, 2010-08-19 at 12:36 +0100, Prof Brian Ripley wrote:
> If you have more than one element in a fonts.conf file you need to 
> group them, e.g.

Many thanks, Prof. Ripley. That is working just fine now on my Fedora 12
workstation.

All the best,

G

> 
> <fontconfig>
> <match target="pattern">
>    <test name="family"><string>Symbol</string></test>
>    <edit name="family" mode="prepend" binding="same">
>      <string>Standard Symbols L</string>
>    </edit>
> </match>
> 
> <alias binding="same">
>         <family>ZapfDingbats</family>
>         <accept><family>Dingbats</family></accept>
> </alias>
> </fontconfig>
> 
> 
> On Thu, 19 Aug 2010, Gavin Simpson wrote:
> 
> > On Thu, 2010-08-19 at 07:55 +0100, Prof Brian Ripley wrote:
> >> There have been spasmodic reports of symbols such as pi and infinity
> >> in plotmath being reproduced incorrectly on the X11 device on some
> >> Linux systems (at least Ubuntu 10 and Fedora 12/13), and we've managed
> >> to track down one cause whilst investigating PR#14355.
> >>
> >> Some systems have Wine and hence the Wine symbol font installed.
> >> 'fontconfig', which is used by cairographics in X11(type='cairo') and
> >> many other applications, prefers the Wine symbol font to the standard
> >> Type 1 URW font, and seems to misinterpret its encoding.
> >>
> >> You may well have Wine installed without realizing it (as I did) -- it
> >> is increasingly common as a dependency of other software. The best
> >> test is to run
> >>
> >> % fc-match symbol
> >> s050000l.pfb: "Standard Symbols L" "Regular"
> >>
> >> This is the result on a system without Wine: if you see
> >>
> >> % fc-match symbol
> >> symbol.ttf: "Symbol" "Regular"
> >>
> >> you at least potentially have the problem.  A good test is to look at
> >> ?points and run the function TestChars() defined there as
> >>
> >> TestChars(font=5)
> >>
> >> If you do have the problem, a workaround is to add the following lines
> >> to ~/.fonts.conf or /etc/fonts/local.conf (which you may need to
> >> create):
> >>
> >> <match target="pattern">
> >>    <test name="family"><string>Symbol</string></test>
> >>    <edit name="family" mode="prepend" binding="same">
> >>      <string>Standard Symbols L</string>
> >>    </edit>
> >> </match>
> >>
> >> and repeat the fc-match test to check that it worked.
> >
> > Hi,
> >
> > I tried the suggested change to ~/.fonts.conf but am getting an error
> > from fontconfig:
> >
> > $ fc-match symbol
> > Fontconfig error: "~/.fonts.conf", line 10: junk after document element
> > s050000l.pfb: "Standard Symbols L" "Regular"
> > $ cat ~/.fonts.conf
> > <match target="pattern">
> >        <test name="family">
> >                <string>Symbol</string>
> >        </test>
> >        <edit name="family" mode="prepend" binding="same">
> >                <string>Standard Symbols L</string>
> >        </edit>
> > </match>
> >
> > <alias binding="same">
> >       <family>ZapfDingbats</family>
> >       <accept><family>Dingbats</family></accept>
> > </alias>
> >
> > I have an alias in there to solve the "q" symbol being used in Evince
> > etc in place of pch == 1.
> >
> > Am I inserting this incorrectly?
> >
> > Many thanks,
> >
> > G
> >
> >>
> >> (This workaround was culled from
> >> https://bugs.launchpad.net/ubuntu/+source/fontconfig/+bug/551977
> >> )
> >>
> >
> > -- 
> > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
> > Dr. Gavin Simpson             [t] +44 (0)20 7679 0522
> > ECRC, UCL Geography,          [f] +44 (0)20 7679 0565
> > Pearson Building,             [e] gavin.simpsonATNOSPAMucl.ac.uk
> > Gower Street, London          [w] http://www.ucl.ac.uk/~ucfagls/
> > UK. WC1E 6BT.                 [w] http://www.freshwaters.org.uk
> > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
> >
> 

-- 
%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
 Dr. Gavin Simpson             [t] +44 (0)20 7679 0522
 ECRC, UCL Geography,          [f] +44 (0)20 7679 0565
 Pearson Building,             [e] gavin.simpsonATNOSPAMucl.ac.uk
 Gower Street, London          [w] http://www.ucl.ac.uk/~ucfagls/
 UK. WC1E 6BT.                 [w] http://www.freshwaters.org.uk
%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%