bug#61098: 29.0.60; Confusing behavior of show-paren-mode

[Rah Guzar]

Eli Zaretskii <eliz@gnu.org> writes:

> It should be an expression that yields a boolean value (that's why the
> variable is named "predicate").  I will improve the doc string when I
> install the final version of the changes.

What I had been missing was how is that expression supposed to yield
a boolean value. I think I gleaned the answer from Dmitry Gutov's message
which is that the expression corresponds to the "condition"
argument of buffer-match-p.

Rahguzar