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buildUnicodeWidthTable: clarify usage intention

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This commit is contained in:
Jonathan Daugherty 2020-03-05 14:21:16 -08:00
parent 2dbecaa9fe
commit 4401f55526
1 changed files with 2 additions and 1 deletions
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src/Graphics/Vty/UnicodeWidthTable/Query.hs
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@ -67,7 +67,8 @@ unicodeTableUpperBound = '\x2FFFF'
-- and then querying the terminal to determine the resulting cursor
-- position in order to measure character widths. Consequently this will
-- generate a lot of output and may take a while, depending on your
-- system performance.
-- system performance. This should not be run in a terminal while it is
-- controlled by Vty.
buildUnicodeWidthTable :: IO UnicodeWidthTable
buildUnicodeWidthTable = do
pairs <- forM (filter shouldConsider ['\0'..unicodeTableUpperBound]) $ \i ->