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How can I advertise a binding for TeX-next-error in AucTeX?I There are several bindings for next-error, normally C-x `, M-g n, M-g M-n. With

(put 'next-error :advertised-binding "\M-gn")

I will see M-g n in the Compile menu in Compilation mode, for example.

In AucTeX’s LaTeX mode I haven’t been able to change the advertised binding for the Next Error command in the Command menu, either with the same code, or by using TeX-next-error instead, which it really is bound to. How can I do this?

  • 1
    thanks for the question! TIL: :advertised-binding – jue Dec 11 '18 at 19:40
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next-error is a function, you want to change a property of a function (not change a property of a variable). So you need to use function-put instead of put.

(function-put 'next-error :advertised-binding "\M-gn")
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The problem is not function-put versus put. Either works fine.

The problem is with your representation of the key binding as "\M-gn". Just use this (with either put or function-put):

(put 'next-error :advertised-binding (kbd "M-g n"))

or

(put 'next-error :advertised-binding [?\M-g ?n])

or

(put 'next-error :advertised-binding [(meta ?g) ?n])

(substitute-command-keys "The advertised binding is \\[next-error]")

When in doubt use kbd. It's also generally best for human readers, as the string argument shows the key-sequence representation that Emacs shows us in Help etc., generally.

  • I don't think that's it either. When just doing emacs -Q, a put-command and then a substitute-command-keys-command, the put-command in the question works just as fine as your alternatives. But I still don't know how to get this to work in AucTeX (where next-error is remapped to TeX-next-error). – pst Jan 14 at 12:40
  • Not sure I understand you. If next-error is remapped to TeX-next-error then why would you expect that changing the advertised-binding of next-error would have any effect? Did you try setting advertised-binding of TeX-next-error? I guess I'm not completely understanding the question. – Drew Jan 14 at 14:48
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You can do it with (global-set-key (kbd "M-g n") 'TeX-next-error). In the text menu will change automatically.

  • I think you have missed what :advertised-binding is. See (elisp) Keys in Documentation! – pst Dec 11 '18 at 23:10
  • I see..I will.. – Lizardo Reyna Dec 14 '18 at 3:08

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