bug#3692: 23.0.95; `i' in Info, when in multiple indexes but same target

[Lars Ingebrigtsen]

"Drew Adams" <drew.adams@oracle.com> writes:

> When a matching entry is found in more than one index (or more than
> once in the same index), you get a message such as the following:
>
> Found `truncate-lines' in Variable Index.  (2 total; use `,' for next)

I've now changed this to remove the duplicates in Emacs 28.

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