* doc/lispref/display.texi (The Echo Area): Add xref to Output Streams.
(Displaying Messages): Improve doc of message.
(Echo Area Customization, Invisible Text): Copyedits.
(Invisible Text): Mention that spec comparison is done with eq.
(Width): Improve doc of char-width.
(Faces): Recommend using symbol instead of string for face name.
Minor clarifications.
(Defining Faces): Copyedits. Update face example.
(Attribute Functions): Mark set-face-foreground etc as commands.
(Face Remapping): Mention text-scale-adjust. Clarify
face-remapping-alist and related docs.
(Face Functions): Don't document make-face or copy-face.