* REASSIGN OWNED. edits. Remove qualification that it doesn't change the database ownership

* ALTER FUNCTION. set from current clause description revision

* COMMENT. capitalize proper noun.

* COPY. describe PROGRAM option.

* CREATE AGGREGATE. Implements new syntax.

* CREATE FUNCTION. edits.

* DROP ROLE. small edit, link to other commands

* DROP USER. trivial edit.

* PREPARE. small edits

* REASSIGN OWNED. Trivial edits.

* REINDEX. trivial edit.

* pg_dump. use --quote-all-identifers for cross-version dumps

* Additional edits

* Updates from review

* Updates from review