On 2012-03-18, Vincent van Ravesteijn wrote:
> Op 18-3-2012 19:56, Nathan Becker schreef:
>> On Sat, Mar 17, 2012 at 9:31 AM, Vincent van Ravesteijn<v...@lyx.org> wrote:
>>> Op 17-3-2012 16:06, Nathan Becker schreef:
>>>> When I open test1.lyx in 2.0.3 and try to generate LaTeX or PDF
>>>> output, I get the following error message:
>>>> Could not find LaTeX command for character '♦' (code point 0x2666)
>>>> It suggests to try using utf8 support,
This suggestion is misleading. By now, LyX supports all (and more than)
the characters supported by (8-bit) LaTeX's utf8 support. It should be
replaced with some more usefull in the line of: "try XeTeX or LuaTeX" or
"try with 'use-non-tex-fonts'".
>>> In LyX 2.0.2 we automatically loaded the 'txfonts' package when we
>>> encounter a character which needs this package.
>>> However, when such a package is automatically loaded, it changes the
>>> appearance of all the math in your document.
Not only this, it changes also the *text* font (to Times)!
>>> The other suit characters should still be available (black
>>> club/spade, white diamond/heart).
>>> I don't know what is supposed to happen to these characters.
Like the other ca. 1000 out of 2751 Unicode math-related symbols without
(traditional) LaTeX support, they cannot be auto-converted to a LaTeX
command by LyX.
>> I don't think this is a LaTeX issue. The error message seems to occur
>> during the LyX to LaTeX conversion process. I am not seeing any LaTeX
>> error messages, because the PDF generation does not reach that stage.
> You're right, LyX does not convert the document into LaTeX. It doesn't
> because it does not know how to translate the suit symbol into LaTeX
> without having to include the package txfonts. We don't want to include
> this package because it
- seems to influence
+ does
> other parts of the document as well.
>> I tried adding
>> \usepackage{txfonts}
>> to the LaTeX preamble. This did not fix the problem.
Because LyX does not parse the LaTeX preamble, it does not know about the
availability.
There are several workarounds:
* Try XeTeX or LuaTeX with a font that includes the symbols (should work,
if the "offending" symbols are text, don't know about math).
* use \usepackage{txfonts} (or one of kmath, kpfonts, pxfonts) and the
command \vardiamondsuit in an ERT box.
* If you don't mind changed text and math fonts, copy the file
"unicodesymbols" from the "system LyX-dir" to the "user LyX dir" (~/.lyx
on Unix) and add/restore the lines defining the symbols requiring txfonts.
* File a bug/enhancement report for "conditional" conversions in
"unicodesymbols", i.e. conversions that are active if LyX detects that
the required command is available in the document without auto-loading
packages.
* File a bug/enhancement report asking for a way to add Unicode->LaTeX
conversions on a per-document basis.
Günter
