From fa67dca957fa97b3e7b818a364689f647df4a39c Mon Sep 17 00:00:00 2001 From: nick black Date: Fri, 11 Feb 2022 05:31:18 -0500 Subject: [PATCH] [ncplane_output.3] update docs for tabs #1233 --- doc/man/man3/notcurses_output.3.md | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/doc/man/man3/notcurses_output.3.md b/doc/man/man3/notcurses_output.3.md index 147aa4470..252953784 100644 --- a/doc/man/man3/notcurses_output.3.md +++ b/doc/man/man3/notcurses_output.3.md @@ -100,8 +100,12 @@ breaks. For more information, consult [Unicode® Standard Annex #29](https://uni Functions accepting a set of EGCs must consist of a series of well-formed EGCs, broken by cluster breaks, terminated by the appropriate NUL terminator. -Control characters are rejected, except for a newline when the output plane -is in scrolling mode. A newline outside of scrolling mode will be rejected. +Control characters are rejected, aside from two exceptions: a horizontal tab +(**'\t'**, 0x09), and a newline (**'\n'**, 0x0a) *when the output plane +is in scrolling mode*. A newline outside of scrolling mode will be rejected. +A tab will advance to the next tab stop, filling the space between with spaces. +Tab stops are separated by eight columns, and the first character of each line +is a tab stop. These functions output to the **ncplane**'s current cursor location. Aside from **ncplane_puttext()**, they *do not* move to the next line upon reaching the