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Make the max number of unscrolled lines implementation defined

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Kovid Goyal
2021-05-11 14:55:14 +05:30
parent 7c5706ead9
commit cc2afef390
2 changed files with 5 additions and 4 deletions
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docs/protocol-extensions.rst
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@@ -179,9 +179,7 @@ screen. This escape code allows that text to be restored.
If the scrollback buffer is empty or there is no scrollback buffer, such as for
the alternate screen, then the newly inserted lines must be empty, just as with
the original ``SD`` escape code. The maximum number of lines that can be
scrolled down is the height of the screen, i.e. the number of lines on the screen.
If the escape code requests more than that number of lines, the terminal *must*
clip the request to the current screen size.
scrolled down is implementation defined, but must be at least one screen worth.
The syntax of the escape code is identical to that of ``SD`` except that it has
a trailing ``+`` modifier. This is legal under the `ECMA 48 standard