[TYPO3-doc] Cross-linking to Doxygen

[Xavier Perseguers]

Hi Francois,

> As I'm backporting https://review.typo3.org/#/c/24148/ I have been using
> such api.typo3.org links.
> 
>>      t3cmsapi47:
>>      -http://api.typo3.org/typo3cms/47/html/
>>      - null
>>      t3cmsapi45:
>>      -http://api.typo3.org/typo3cms/60/html/
>>      - null
> 
> However the objects.inv file does not exist below TYPO3 6.0. Can you
> check and get them ready for 4.5, 4.6 and 4.7 too, please?

Just quickly tried and now I know why I did not activate it prior to
6.0, my creation script only handles namespaced classes...

-- 
Xavier Perseguers
Release Manager TYPO3 4.6

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