You can't see the colors in the text copied from the ijx window below, but the word "if." is not colored red if it is immediately preceded by a vertical bar line drawing character. It looks just fine if the line drawing characters are ASCII.
'if.';' if.';'if. ';' if. ' ┌───┬────┬────┬─────┐ │if.│ if.│if. │ if. │ └───┴────┴────┴─────┘ NB. the first and third "if." above is black and not red. 'if.';' if.';'if. ';' if. ' +---+----+----+-----+ |if.| if.|if. | if. | +---+----+----+-----+
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