bug#39789: eieio Info misspells slot name in eieio-instance-tracker

[Eric Abrahamsen <eric@ericabrahamsen.net>]

akater <nuclearspace@gmail.com> writes:

> I'm using Emacs 28 from git master.
>
> Excerpt from EIEIO entry in Info Directory:
>> Sometimes it is useful to keep a master list of all instances of a
>> given class.  The class ‘eieio-instance-tracker’ performs this task.
>
>>  -- Class: eieio-instance-tracker tracker-symbol
>>      Enable instance tracking for this class.  The slot TRACKER-SYMBOL
>>      should be initialized in inheritors of this class to a symbol
>>      created with ‘defvar’.  This symbol will serve as the variable used
>>      as a master list of all objects of the given class.
>
> At the moment, eieio-instance-tracker is defined in eieio-base with slot
> named
>
>> TRACKING-SYMBOL
>
> not
>
>> TRACKER-SYMBOL
>
> EIEIO entry in Info Directory should thus be patched to refer to slot's
> actual name `tracking-symbol'. These are the only two mentions of the
> slot in eieio.info.bz2

This would be easy enough to fix -- we're doing documentation fixes on
the 27 branch, right?