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term_esc_rgb: add note about ITU T.416 syntax

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nick black 2019-12-22 02:02:12 -05:00
parent d50ee9ec50
commit 8b1b2ebdf0
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src/lib/render.c
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@ -303,6 +303,8 @@ term_esc_rgb(notcurses* nc __attribute__ ((unused)), FILE* out, int esc,
return -1;
}*/
#define RGBESC1 "\x1b" "["
// we'd like to use the proper ITU T.416 colon syntax i.e. "8:2::", but it is
// not supported by several terminal emulators :/.
#define RGBESC2 "8;2;"
// rrr;ggg;bbbm
char rgbesc[] = RGBESC1 " " RGBESC2 " ";