GitLab

* doc/lispref/windows.texi (Displaying Buffers)
(Choosing Window, Buffer Display Action Functions)
(Buffer Display Action Alists, Choosing Window Options)
(Precedence of Action Functions, The Zen of Buffer Display):
Fix wording, punctuation, and markup.  Remove redundant
cross-references.

* doc/emacs/windows.texi (Window Choice, Temporary Displays):
Fix wording and punctuation.