🚀 go-pugleaf

In article <25545@life.ai.mit.edu> bkph@kauai.ai.mit.edu (Berthold K.P. Horn) writes:
>Suppose there is a font that has a ligature --  ==>  endash
>Now suppose I have a keyboard that doesn't have a -, but does have a + key.
>So I decide to make + active and redefine it to generate the appropriate
>character code for minus, something like
>	\catcode`\+=\active  \def+{\char45}
					^^^
>Now I can type ++ and have it print endash, but...
>if a number follows the endash I am in trouble - for example:
>	pp.~23++67
>`cause now TeX complains about bad character code since it expands into
>pp.~23\char4567  
	    ^^^^
What happens is that TeX tries to read a number up to the first non-digit.
The definition   \def+{\char45 }
will probably work as the blank will be gobbled up by TeX.
What I dont understand now is why you only got one substitution.

-- 
Prof.Dr.Klaus Lagally           lagally@informatik.uni-stuttgart.de
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