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 Re: Fully expandable "x" argument (was "expandable \uppercase...") Joseph Wright <[log in to unmask]> Mon, 21 Feb 2011 12:45:36 +0000 text/plain (17 lines) On 21/02/2011 12:07, Bruno Le Floch wrote: >> I suspect condition (2) is killer. While assuming "{" is catcode 1 is >> fine for LaTeX-like input, what happens if you're using LaTeX3 with some >> other input syntax (for example XML)? > > Ok, the code can be changed so that the condition becomes > > (2') There is only one character with catcode 1, and it is known when > the package is loaded. I'll give it some thought: as I'm most interested in a new kernel, 'load time' is not 100% reliable. On the other hand, for internal processing you can imagine that you might have to rescan material in any case, so it might not be such an issue. -- Joseph Wright