bug#41905: Small change: In Customize, display name with with spaces, but keep symbol name underneath.

[Lars Ingebrigtsen]

Mauro Aranda <maurooaranda@gmail.com> writes:

> Looks like we're back to where we started, though :-(

Yup.

I think the solution here is to stash the data needed somewhere so that
we don't need to guessing round trip.

The most obvious place to stash the data is in the string itself, so
custom-unlispify-tag-name should just put a 'data text property on the
unlispified string (with the symbol), and then the relevant functions
should use that instead of looking at the buffer text.

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   bloggy blog: http://lars.ingebrigtsen.no