Fix many of the specific targets in links from the index.
Fix many of the specific targets in links from the index.

In a number of places, I called next_argument() instead of
next_argument_id() when the ID was also needed.  (7 places)

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator