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Bug#389476: Scrolling with background colors is still much slower



Hi,

Xterm is still *really* slow for me when background colors are set;
it's if jump-scrolling is disabled.  For example:

$ time xterm -geometry 80x25 -e 'for i in `seq 1 10000`; do echo -e "This is line \e[40;31;01m$i\e[0m" ; done'

real    0m23.052s
user    0m1.396s
sys     0m1.148s

$ time xterm -geometry 80x25 -e 'for i in `seq 1 10000`; do echo -e "This is line \e[31;01m$i\e[0m" ; done'

real    0m0.781s
user    0m0.400s
sys     0m0.116s


-jim



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