> From: Nicolas Goaziou <m...@nicolasgoaziou.fr> > Cc: shingo....@gmail.com, 48148-d...@debbugs.gnu.org > Date: Sun, 02 May 2021 17:56:04 +0200 > > More than the width of the text, I'm interested in the > ratio between the width of the text and the width of an underline > character (assuming monospace).
And that is rarely 2 for double-width characters. Especially if the underline and the double-width characters are displayed using different fonts. > The string may not be displayed at all. Since it is the output of an > export process, it could, e.g., be written to a file. If that text file can be displayed using some software you know nothing about, then this problem doesn't have an accurate solution, only approximate ones.
