The fix works. Thanks a lot! shenchen
On 10/10/07 1:59 AM, "Aditya Mahajan" <[EMAIL PROTECTED]> wrote: > On Tue, 9 Oct 2007, Shen Chen wrote: > >> Hi all, >> >> The following example with the chemical module complains that "! Argument of >> \mtharrowfill has an extra }.". >> >> ----------- >> \usemodule[chemic] >> \starttext >> $$ \chemical{2H_2,PLUS,O_2,GIVES,2H_2O} $$ >> \stoptext >> ----------- >> >> The result pdf looks fine, though. The annoying problem only occurs when >> there's an arrow "GIVES", and only in display mode. > > This error is due to a change that I suggested in math-ext (for over > and under arrows). I did not check that it breaks ppchtex. Here is a > fix. Add this somewhere in your style file: > > \def\chemicalsingleouterarrow > {\dochemicalouterarrow > {\hbox to \dimen2{\rightarrowfill\textstyle}}} > > \def\chemicaldoubleouterarrow > {\dochemicalouterarrow > {\lower.5\ht0\vbox > {\offinterlineskip > \hbox to \dimen2{\rightarrowfill\textstyle} > \hbox to \dimen2{\leftarrowfill\textstyle}}}} > > \def\chemicaltwintipouterarrow > {\dochemicalouterarrow > {\hbox > {\hbox to \dimen2{\rightarrowfill\textstyle}% > \hskip-\dimen2 > \hbox to \dimen2{\leftarrowfill\textstyle}}}} > > > Hans, this should be corrected in ppchtex. There are a few other > chemistry modules that use arrowfills, which now needs an argument > specifying the math mode in which arrow should be drawn. > > I will look into it, but I have examples of working chemical > formulas. > > Aditya > ______________________________________________________________________________ > _____ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://tex.aanhet.net > archive : https://foundry.supelec.fr/projects/contextrev/ > wiki : http://contextgarden.net > ______________________________________________________________________________ > _____ ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________