You mean the "erase" character, right ? -----Original Message----- From: Werner LEMBERG <[EMAIL PROTECTED]> To: linux-utf8@nl.linux.org Cc: groff@gnu.org Date: Thu, 17 Mar 2005 09:24:23 +0100 (CET) Subject: backspace and Unicode in terminals
> > I'm going to improve grotty, the TTY backend of groff, so that it can > handle zero-width and double-width characters, as needed for proper > Unicode support. > > Doing so I wonder how is the backspace character (U+0008, \b) handled > in TTYs? Is there any documentation for it? > > Most importantly: If I have a wide character at position p which is > followed by `\b' (at position p+2), is the final position p again? > With other words, is the width of `\b' dependent on the width of the > previous character? What happens if I have a sequence of `\b' > characters? I'm thinking especially of the interaction at the > beginning of a new line. Is there a distinction between a user who > presses the `backspace' key, and a `\b' character in the data stream? > > > Werner > > -- > Linux-UTF8: i18n of Linux on all levels > Archive: http://mail.nl.linux.org/linux-utf8/ > -- Linux-UTF8: i18n of Linux on all levels Archive: http://mail.nl.linux.org/linux-utf8/
