bug#22912: url-util: add url-hexify-region, url-unhex-region

[Lars Ingebrigtsen]

Ivan Shmakov <ivan@siamics.net> writes:

> Package:  emacs
> Severity: wishlist
>
>       Just like there’s, say, encode-coding-region, interactive
>       url-unhex-region and its inverse come handy at times.  Say, one
>       may stumble upon a URI like [1], which is hardly legible without
>       applying url-unhex-region first.
>
>       Please thus consider adding functions like those MIMEd to
>       url-util.el.

There's url-unhex-string and url-hexify-string already in url-util, so
these seem superfluous.

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