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From: Tom Lane <tgl@sss.pgh.pa.us>
cc: Peter Geoghegan <pg@bowt.ie>, Robert Haas <robertmhaas@gmail.com>,
        Christoph Berg <myon@debian.org>,
        PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: pgsql: Add basic TAP tests for psql's tab-completion logic.
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Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
	message dated "Sat, 04 Jan 2020 20:57:28 -0500"
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I wrote:
> Peter Geoghegan <pg@bowt.ie> writes:
>> Once I comment out the following two lines from ~/.inputrc, everything
>> works fine on
>> HEAD + HEAD-unset-TERM-in-tab-completion-test.patch:
>> set colored-completion-prefix on
>> set colored-stats on

> Hm.  I wonder how it is that that leads to ignoring the TERM environment?

A bit of digging says that readline's color support is just hard-wired
to use xterm-style escapes -- it doesn't look like there's any connection
to terminfo at all.  See the  _rl_color_indicator[] data structure.
The \e[...m and \e[K escape sequences can both be found there.

			regards, tom lane