From: Avi Halachmi (:avih) <avihpit@yahoo.com>
Date: Thu, 14 May 2020 15:18:07 +0000 (+0300)
Subject: support REP (repeat) escape sequence
X-Git-Url: https://git.xinqibao.xyz/st.git/commitdiff_plain/e8392b282c2eaa28725241a9612804fb55113da4?hp=e8392b282c2eaa28725241a9612804fb55113da4

support REP (repeat) escape sequence

The sequence \e[Nb prints the last printed char N (more) times if it's
printable, and it's ignored after newline or other control chars.

This is Ecma-048/ANSI-X3.6 sequence and not DEC VT. It's supported by
xterm, and ncurses uses it when possible, e.g. when TERM is xterm* (and
with this commit also st*).

xterm supports only codepoints<=255, possibly due to internal limits.
We support any value/codepoint which was placed in a cell.

To test:
- tput rep 65 4 -> prints 'AAAA'
- printf "\342\225\246\033[4b" -> prints U+2566 1+4 times.
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