bug#60867: 29.0.60; keymap-set-after does not accept the AFTER=t argument

[Robert Pluim]

>>>>> On Thu, 19 Jan 2023 11:08:07 +0100, Daniel Mendler 
>>>>> <mail@daniel-mendler.de> said:

    Daniel> On 1/19/23 10:55, Robert Pluim wrote:
    >> And of course the following for consistency for `keymap-lookup' as
    >> well. I now firmly believe that the new keymap functions should use
    >> `key-parse' and not `kbd'.

    Daniel> Robert, speaking of `key-parse', I wonder why this function accepts
    Daniel> invalid key strings. Why don't we move the `key-valid-p' check to
    Daniel> `key-parse'? This would alleviate the need for many additional
    Daniel> `key-valid-p' checks across keymap.el. One could maybe even get rid 
of
    Daniel> the `keymap--check' helper.

Do you have an example of such an invalid string?

    Daniel> The function `key-parse' is publicly exposed to the user and as 
such it
    Daniel> would be good if it were as strict as the rest of the keymap.el API.
    Daniel> However `kbd' has been reimplemented based on `key-parse' which 
prevents
    Daniel> `key-parse' from being more strict. One could either introduce a
    Daniel> `key--parse-lax` function which is used by `kbd' and `key-parse' 
(plus a
    Daniel> `key-valid-p' check) or add a NOERROR/NOVALIDATE argument to
    Daniel> `key-parse', which is then used by `kbd'. What do you think?

    >> Eli, is this too much for emacs-29?

    Daniel> While it is late for 29, these APIs were newly and I believe it 
would be
    Daniel> better to improve them now, such that they don't have to change 
again in
    Daniel> the next release.

I think itʼs too late to make such changes for emacs-29. Iʼm not even
sure that the minimal changes I proposed will be accepted :-)

Robert
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