bug#58843: Print "decrypted" rot13 text is buffer is read-only

[Philip Kaludercic]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Philip Kaludercic <philipk@posteo.net>
>> Cc: 58843@debbugs.gnu.org
>> Date: Sat, 29 Oct 2022 06:28:43 +0000
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > Showing the result in the echo-area is a good idea, but echo-area is
>> > not really suitable for displaying arbitrarily long text.  How about
>> > popping a window with a temporary buffer instead?
>> 
>> Is there a way to re-use shell-command's behaviour of displaying short
>> messages in the echo area and longer messages in a separate buffer?
>
> It's a few lines in shell-command, so you could reuse them, or make a
> utility function out of them.

Turns out there was a function that does just this,
`display-message-or-buffer'.

>> Popping up a buffer just for one or two lines can be annoying,
>> especially if the information is not something you want to keep around.
>
> Sure, that would be even better.  Although in that case we'd need to
> change what the manual says about the command, because it explicitly
> says we show the encoded text in another window.

How is this:

0001-Have-rot13-region-gracefully-handle-read-only-buffer.patch
Description: Text Data