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From: | Elias Mårtenson |
Subject: | Re: [Bug-apl] Back to underline |
Date: | Sun, 16 Aug 2015 00:38:08 +0800 |
Hi Fred ,
fine. Maybe the way forward is if you publish a patch in our Bits_and_Pieces directory.
I would not like it to be a ./configure option because that would give us many #ifdefs
all over the place and I (instead of Fred) would have the burden of maintaining it.
It is actually far more more than only changing Avec.def. For example the built-in line
editor (i.e. every line entered interactively) currently assumes that every character moves the
cursor by one position. So the cursor will be positioned one character off for every underlined one.
Also, there is a difference between APLs that have underlined chars in their character set and those
that do not.
Consider ⍴'A̲'
(not sure if this displays properly everywhere - read: RHO QUOTE A COMBINING_UNDERLINE QUOTE)
On a system with underlined characters this will return 1 while on Unicode with combining underline
machine it gives 2.
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