Yes indeed copy mode as per the manpage, which i use frequently not for
copy paste but simply for review. And yes i typically run tmux in an
xterm.
i haven't tweaked or created any config files for either xterm or tmux.
For xterm i use the following variables and aliases, occasionally the xt
alias for starting an additional xterm, but more typically just the x
alias to start X with a single xterm (from which i launch a window
manager according to preference or need, usually twm, occasionally
openbox).
xk='xterm -bg black -fg white -xrm
"*"'charClass:33:48,37-38:48,43:48,45-47:48,58:48,63-64:48,92:48,94:48,126:48
#doubleclick group ! %& + -./ : ?@ \ ^ ~
xt=$xk\ -rightbar
#xk knoppix rxvt no -rightbar
alias xt="$xt&"
alias xk="$xk&"
alias x='startx /usr/bin/$xt'
For tmux i just use the following aliases, all 5 are identical except
for setting the escape char to one of ^a ^q ^b ^x ^e, which i use for
stacking sessions (eg my phone on the first level, ssh to my laptop on
the next level, ssh to a server on the next level, ssh to other servers
on the next level, etc).
alias ta='tmux h 2>/dev/null||tmux new -d;tmux bi w choose-w 2>/dev/null||tmux
bi w choose-t -w;tmux set status off\; set visual-b on\; set display-t 9999\;
set prefix ^A\; bi ^A last\; bi a send-p\; bi k killp\; bi . detac\; bi _ sp\;
bi \| sp -h\; bi \" set status\; bi Tab selectp -t :.+\; a -d'
alias tq='tmux h 2>/dev/null||tmux new -d;tmux bi w choose-w 2>/dev/null||tmux
bi w choose-t -w;tmux set status off\; set visual-b on\; set display-t 9999\;
set prefix ^Q\; bi ^Q last\; bi q send-p\; bi k killp\; bi . detac\; bi _ sp\;
bi \| sp -h\; bi \" set status\; bi Tab selectp -t :.+\; a -d'
alias tb='tmux h 2>/dev/null||tmux new -d;tmux bi w choose-w 2>/dev/null||tmux
bi w choose-t -w;tmux set status off\; set visual-b on\; set display-t 9999\;
set prefix ^B\; bi ^B last\; bi b send-p\; bi k killp\; bi . detac\; bi _ sp\;
bi \| sp -h\; bi \" set status\; bi Tab selectp -t :.+\; a -d'
alias tx='tmux h 2>/dev/null||tmux new -d;tmux bi w choose-w 2>/dev/null||tmux
bi w choose-t -w;tmux set status off\; set visual-b on\; set display-t 9999\;
set prefix ^X\; bi ^X last\; bi x send-p\; bi k killp\; bi . detac\; bi _ sp\;
bi \| sp -h\; bi \" set status\; bi Tab selectp -t :.+\; a -d'
alias te='tmux h 2>/dev/null||tmux new -d;tmux bi w choose-w 2>/dev/null||tmux
bi w choose-t -w;tmux set status off\; set visual-b on\; set display-t 9999\;
set prefix ^E\; bi ^E last\; bi e send-p\; bi k killp\; bi . detac\; bi _ sp\;
bi \| sp -h\; bi \" set status\; bi Tab selectp -t :.+\; a -d'
One prospect is the bug might be related to window size change (it's one
of the reasons i prefer tmux, screen will immediately drop copy mode in
response to a window size change, thankfully tmux doesn't). i recall
several occurrences happening very soon after returning to a window from
another. in the meantime i might have changed the xterm size, or
reattached from my phone, or rotated the phone... But i think i've also
seen it happen without any window size change, can't promise tho, i'll
watch for further occurrences.
Let me know if there's more i can clarify or share with you.
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https://bugs.launchpad.net/bugs/1902643
Title:
tmux drops out of copy mode (regression)
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