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51e78ab4ff
It turns out that on FreeBSD-derived platforms (including OS X), the *scanf() family of functions is pretty much brain-dead about multibyte characters. In particular it will apply isspace() to individual bytes of input even when those bytes are part of a multibyte character, thus allowing false recognition of a field-terminating space. We appear to have little alternative other than instituting a coding rule that *scanf() is not to be used if the input string might contain multibyte characters. (There was some discussion of relying on "%ls", but that probably just moves the portability problem somewhere else, and besides it doesn't fully prevent BSD *scanf() from using isspace().) This patch is a down payment on that: it gets rid of use of sscanf() to parse ispell dictionary files, which are certainly at great risk of having a problem. The code is cleaner this way anyway, though a bit longer. In passing, improve a few comments. Report and patch by Artur Zakirov, reviewed and somewhat tweaked by me. Back-patch to all supported branches. |
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