doc: use colon for all color's rangs (GH-28998) (#31336)

(cherry picked from commit 6b9f27dd0b)

Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>

Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>
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Miss Islington (bot) 2022-02-14 12:10:05 -08:00 committed by GitHub
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@ -756,8 +756,8 @@ callback
color
Colors can be given as the names of X colors in the rgb.txt file, or as strings
representing RGB values in 4 bit: ``"#RGB"``, 8 bit: ``"#RRGGBB"``, 12 bit"
``"#RRRGGGBBB"``, or 16 bit ``"#RRRRGGGGBBBB"`` ranges, where R,G,B here
representing RGB values in 4 bit: ``"#RGB"``, 8 bit: ``"#RRGGBB"``, 12 bit:
``"#RRRGGGBBB"``, or 16 bit: ``"#RRRRGGGGBBBB"`` ranges, where R,G,B here
represent any legal hex digit. See page 160 of Ousterhout's book for details.
cursor