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csi: check for private marker in 'S' case - st - simple terminal
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---
commit a3f7420310be0fd778ef9fe2abf20edc2d8dc81a
parent 9846a56bd7fdc86bf788db04bbbcbde7b7eb9952
Author: Tim Culverhouse <[email protected]>
Date: Sun, 18 Feb 2024 06:56:49 -0600
csi: check for private marker in 'S' case
The handler for 'S' final character does not check for a private
marker. This can cause a conflict with a sequence called 'XTSMGRAPHICS'
which also has an 'S' final character, but uses the private marker '?'.
Without checking for a private marker, st will perform a scroll up
operation when XTSMGRAPHICS is seen, which can cause unexpected display
artifacts.
Diffstat:
M st.c | 1 +
1 file changed, 1 insertion(+), 0 deletions(-)
---
diff --git a/st.c b/st.c
@@ -1728,6 +1728,7 @@ csihandle(void)
}
break;
case 'S': /* SU -- Scroll <n> line up */
+ if (csiescseq.priv) break;
DEFAULT(csiescseq.arg[0], 1);
tscrollup(term.top, csiescseq.arg[0]);
break;
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