Capture text in console with colors

[Kamil Rytarowski <n54%gmx.com@localhost>]

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I ran into issue with a need to capture the screen of a running
program and paste it to libreoffice or similar tool as a listing with
colors.

While it's easier for batch programs putting output on stdout and
exiting, it was more difficult to do with ones with a curses-like
interface.

The solution is as follows:
1. Install textproc/aha for ANSI -> HTML converter
2. Set "set -g history-limit 0" in ~/.tmux.conf to disable scrollback
history
3. Start tmux(1) and go into the screen to be captured
4. Type other terminal session: tmux capture-pane -Jpe | aha > dump.html
5. Open dump.html from favorite browser (Firefox verified) and
copy-paste it to a libreoffice document.
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