@@ -67,7 +67,8 @@ unicodeTableUpperBound = '\x2FFFF'
6767-- and then querying the terminal to determine the resulting cursor
6868-- position in order to measure character widths. Consequently this will
6969-- generate a lot of output and may take a while, depending on your
70−-- system performance.
70+-- system performance. This should not be run in a terminal while it is
71+-- controlled by Vty.
7172buildUnicodeWidthTable :: IO UnicodeWidthTable
7273buildUnicodeWidthTable = do
7374 pairs <- forM (filter shouldConsider ['\0'..unicodeTableUpperBound]) $ \i ->