Hello Luigi, thank you for proposing a solution, but it's not suitable to my needs as it modifies the content of the typing region : the backlash is displayed I want to be able to gobble or not the typing region by using a macro without modifying it. On 06 Nov 2014, at 12:16, luigi scarso wrote: > > > On Thu, Nov 6, 2014 at 10:35 AM, Pierre-François Bonnefoi wrote: > Hello, > > I've made a lot of improvement to my slides format for my teaching material and I've run into a serious issue with gobbleinput that I can express with with simple lines : > > \starttext > \gobbleuntil\stoptyping > \starttyping > { printf("%d", data); } > \stoptyping > This is ignored ! > \stoptext > > How can I use correctly gobbleinput to make it works ? > > > "%d" > in this situation means ["][ token comment ] > --- \gobbleuntil neutralizes \starttyping that changes the catcode of '%' --- > so you are left with an open group (the { before printf) > that needs to be closed. > > So the first step is to make '%' a letter token > > \starttext > %\tracingall > \gobbleuntil\stoptyping > \starttyping > { printf("\%d", data); } > \stoptyping > %\tracingnone > This is not more ignored ! > \stoptext > > > > -- > luigi > ___________________________________________________________________________________ > 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 : http://foundry.supelec.fr/projects/contextrev/ > wiki : http://contextgarden.net > ___________________________________________________________________________________ -- Bonnefoi Pierre-Francois | E-mail : bonnefoi@unilim.fr http://libpfb.so/ Universite de Limoges, Laboratoire XLIM | Tel : 06 28 18 03 38 123 av Albert Thomas | Mrs. Peel, we're needed... 87060 Limoges CEDEX - FRANCE | The Avengers.