This commit resolves all outstanding duplicate label
and duplicate citation warnings.
I have not yet addressed unreferenced footnote warnings.
I took the general strategy of replacing a target above a section heading
with references directly to that section heading,
or where impractical, disambiguting the target with ``PEP NNN``.
I also converted all the citations in PEP 482 to links,
as they were causing duplicate citation warnings.
Also adjust the wording of the first line of the Abstract. I changed
"static type annotations" to "type annotations" since the "static" part
is redundant.
They were top-level sections.
I also moved up the Runtime Behavior section to answer the question of
where LiteralString lives, since right now it's buried in the PEP.
* PEP 675: gentler intro for the Motivation section.
* PEP 675: explain usage stats.
* PEP 675: remove duplicate Backwards Compatibility heading.
There was already a Backwards Compatibility heading for Type Inference.
So, I just inlined the second one into the Runtime Behavior section.
* PEP 675: link to Other Uses in the Motivation.
* PEP 675: clarify that we insert a new type in the hierarchy.
* PEP 675: Make Backwards Compatibility a top-level section.
We had two "sections" - one for the type inference and one for the
runtime behavior. Move them both into one top-level section.
* PEP 675: Change case of Runtime Behavior.
* PEP 675: Fix and widen hyperlink text.
Adam Turner
Eclips4
Jelle Zijlstra
CAM Gerlach
Pradeep Kumar
Petr Viktorin
Graham Bleaney