doc: Update RFC URLs
authorMichael Paquier <[email protected]>
Sat, 5 Jan 2019 03:49:58 +0000 (12:49 +0900)
committerMichael Paquier <[email protected]>
Sat, 5 Jan 2019 03:49:58 +0000 (12:49 +0900)
commit1d9dfc77beb6b71789fedbf8c0a049c0ba6b4dae
tree858e535ac4b96e380f308d3a5bf435da1f965dd6
parent3010de813f17abb493659436aafe8792a42272e3
doc: Update RFC URLs

Consistently use the IETF HTML links instead of a random mix of
different sites and formats.  This also fixes one broken link for JSON
documentation.
doc/src/sgml/json.sgml
doc/src/sgml/libpq.sgml
doc/src/sgml/pgcrypto.sgml