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From: Ralf Fassel <ralfixx@gmx.de>
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Subject: Re: customize xref
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* "James K. Lowden" <jklowden@speakeasy.net>
| > (custom-set-variables
| >  '(xref-after-jump-hook
| >    (quote (recenter xref-pulse-momentarily))))
>
| I see: 
>
| (custom-set-variables
|  '(xref-after-jump-hook
|    (quote (lambda () (recenter 0) xref-pulse-momentarily))))

What is the 'xref-pulse-momentarily' good for?
>From my understanding of elisp, you should be good with

| > (custom-set-variables
| >  '(xref-after-jump-hook
| >    (quote (recenter 0))))

HTH
R'