# st

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    commit cde480c6939e62771ba3b60ef4eb848031aee9f9
    parent 8211e36d281990a39db1853bcd454ac59e53d521
    Author: Hiltjo Posthuma <hiltjo@codemadness.org>
    Date:   Sat,  9 May 2020 14:03:14 +0200

    optimize column width calculation and utf-8 encode for ASCII

    In particular on OpenBSD and on glibc wcwidth() is quite expensive.
    On musl there is little difference.

    Diffstat:
    Mst.c | 2+-

    1 file changed, 1 insertion(+), 1 deletion(-)
    diff --git a/st.c b/st.c
    @@ -2307,7 +2307,7 @@ tputc(Rune u)
     	Glyph *gp;

     	control = ISCONTROL(u);
    -	if (!IS_SET(MODE_UTF8 | MODE_SIXEL)) {
    +	if (u < 127 || !IS_SET(MODE_UTF8 | MODE_SIXEL)) {
     		c[0] = u;
     		width = len = 1;
     	} else {