Friday, August 13, 2004 Christopher Creutzig wrote:
> Giuseppe,
> you may or may not know about these problems already, so I decided to
> simply send them all. I'm using t-nath.tex 2003.12.08, updated five
> minutes ago from www.tug.org, ConTeXt 2004.6.26, and pdfeTeX
> 3.14159-1.10b-2.1 (Web2C 7.4.5).
> nath seems to have trouble with $$...$$-formulas. This file won't compile:
> \usemodule[nath]
> \starttext
> \placeformula
> $$a$$
> \stoptext
> Error message:
> Runaway argument?
> \@@dollar {\to \asciiB \ExpandBothAfter \doifincsnameelse \asciiA
> \asciiB \ETC.
> ! File ended while scanning use of \convertargument.
> Replacing $$...$$ by \startformula...\stopformula fixes this,
That's because nath recatcodes the $ signs and the original
definition of \placeformula doesn't work when they are active.
(Hans, can we look into this together, please?)
Don't use $$ ... $$ with \placeformula (they should work ok for
numberless formulas though).
Actually, you've hit on one of the most strange bugs in the
nath module: it didn't support use of \startformula ...
\stopformula either! It *seemed* to work, but it didn't really
act properly. You may want to try your examples with \[ ... \]
instead of \startformula ... \stopformula, and see if you still
have the problems.
In the mean time, I will upload a new version of nath which
should also allow use of \startformula.
> Another bug: t-nath.tex defines \savecatcode and
> \restorecatcode, but these names have already been used in
> verb-ini.tex. I have locally replaced these with
> \nath!savecatcode and \nath!restorecatcode, seems to work.
Thanks for spotting it!
--
Giuseppe "Oblomov" Bilotta
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