bug#54826: 29.0.50; Prevent duplicate prompts when reconnecting in ERC

[J.P.]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> "J.P." <jp@neverwas.me> writes:
>
>> The proposed patch leverages a long abandoned option called
>> `erc-hide-prompt' to help address both these concerns.
>
> Makes sense to me.
>
>> 1. Currently, channels and queries are lumped together as 'target'. What
>>    about changing the shape of the option to a set of {'server',
>>    'channel', 'query'} in a union with t for "all of the above" (to
>>    preserve compatibility)?
>
> Sure.
>
>>    Is overloading the "prompt hidden" indicator with multiple meanings
>>    too distracting? (Currently, it means both "disconnected" and
>>    "physically connected but possibly not resumable".) Should we instead
>>    just reveal the prompt for all queries upon reconnecting, even though
>>    it may not be possible to continue certain conversations? Would it be
>>    worth accommodating both behaviors via yet another knob (or perhaps
>>    different 'query' variants, when going with 1, above)?
>
> I think a new knob would be probably be preferable.
>
>> 2. Right now, the prompt looks like this when hidden:
>>
>>    n-1 | *** ERC finished ***                                   [04:30]
>>    n   | >_
>>
>>    Where _ is the cursor at point max. Should we leave a space after the
>>    ">"?
>
> I think having a space there would be good.

Thanks Lars.

To everyone else out there: since no one has cared to comment, I've
based these changes on Lars's feedback alone.

0000-v1-v2.diff
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0001-Add-some-ERC-test-helpers.patch
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0002-SQUASH-ME-Remove-duplicate-ERC-prompt-on-reconnect.patch
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