This was a reasonably active cycle for documentation; this pull includes:

 - Some kernel-doc cleanups.  That script is still regex onslaught from
   hell, but it has gotten a little better.

 - Improvements to the checkpatch docs, which are also used by the tool
   itself.

 - A major update to the pathname lookup documentation.

 - Elimination of :doc: markup, since our automarkup magic can create
   references from filenames without all the extra noise.

 - The flurry of Chinese translation activity continues.

Plus, of course, the usual collection of updates, typo fixes, and warning
fixes.
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