On Mon, May 25, 2009 at 12:17 PM, Hans Hagen <pragma@wxs.nl> wrote:
luigi scarso wrote:
On Fri, May 22, 2009 at 8:11 PM, Hans Hagen <pragma@wxs.nl> wrote:

Peter Münster wrote:

Hello,

I would like to activate a remapper in a style or module file. How could
this be done?

I tried this without success:

\defineremapper[filterItem]
\remapcharacter[filterItem][`•]{\item}
\appendtoks \startfilterItem \to \everystarttext
\prependtoks \stopfilterItem  \to \everystoptext


kep in mind that the remapper is just a hack and will not be extended etc
etc; i'm not going to handle interferences with other mechanisms


Hans



I think the point is this :
in some situations one find useful to convert things like • in macros like
\item .
Of course, it can be done with  preprocessing , or with some ad-hoc macros
in lua code , etc
So, apart \remapcharacter, are there  any other safe ways to "remap
character" ?

one solution mentioned was making that character active and then do an unexpanded def which makes it roundtrip safe;  of course we should leave characters like : untouched
 
there was an article many years ago something like "Active characters -- No thank you"


the remapper works on all input and it might result in unwanted side effects .. imagine that someone defines symbol 1 as • and gets \item instead
this is true -- it's not a general solution it's a trick , it if you abuse then....


Hans

Maybe I'm not able to express what I mean .
--
luigi