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notcurses-info.1: detail environment lines

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nick black 2021-08-01 22:43:32 -04:00
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doc/man/man1/notcurses-info.1.md
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@ -42,13 +42,10 @@ The next five lines describe properties of the terminal environment:
* The first line indicates that a given capability is present with a plus sign
('+'), or not present/detected with a minus sign ('-'):
* rgb: Colors can be specified as RGB wit eight bits/channel
* ccc: Palette can be reprogrammed
* af: Foreground color can be set
* ab: Background color can be set
* sum: Synchronized Update Mode is supported
* u7: Cursor position reporting
* cup: Cursor can be arbitrarily placed
* cup: Arbitrary cursor moves
* vpa: Cursor can be moved to an absolute vertical coordinate
* hpa: Cursor can be moved to an absolute horizontal coordinate
* sgr0: Styling can be reset via a single escape
@ -56,6 +53,35 @@ The next five lines describe properties of the terminal environment:
* fgop: Foreground can be reset via a single escape
* bgop: Background can be reset via a single escape
* The second line is more of the same:
* bold: Boldface is available
* ital: Italics are available
* struck: Strikethrough is available
* ucurl: Curled underlines are available
* uline: Straight underlines are available
* u7: Cursor position reporting
* ccc: Palette can be reprogrammed
* rgb: Colors can be specified as RGB wit eight bits/channel
* The third line covers UTF8 and decoding capabilities:
* utf8: This is a UTF8 environment
* quad: Quadrant characters are available
* sex: Sextant characters are available
* braille: Braille characters are available
* images: Images can be decoded
* video: Video can be decoded
* The fourth line indicates the default background color, and whether that
color is treated as transparent.
* The fifth line describes the available bitmap graphics. If Sixels are
available, the maximum number of color registers and maximum Sixel
geometry are reported. If the iTerm2 protocol or Linux framebuffer graphics
are available, that is reported. If the Kitty graphics protocol is
detected, that will be reported with "rgba graphics are available"; if
Kitty's animation support is also present, that will be reported with
"rgba pixel animation support".
The final eleven lines, only printed when in a UTF8 locale, show various
Unicode glyphs. The first four lines include the quadrant, sextant, and
box-drawing characters. The next four lines include the entire Braille set.