bug#50552: 28.0.50; Add context-menu-occur

[Juri Linkov]

tags 50552 fixed
close 50552 28.0.50
thanks

>> Thanks, this is almost perfect.  What remains to do is to create
>> a regexp that matches only words/symbols.  You can see how
>> 'isearch-occur' converts a string to a word/symbol regexp by using
>> '(funcall isearch-regexp-function isearch-string)' before calling 'occur'.
>
> And here another version with word/symbol-start/end matching:

Your second patch was better, so I pushed it, but without 
isearch-regexp-function.
I tested that it works fine, thanks for it.  If you have more suggestions,
please send more patches.