Issue #2226171 by LinL, valthebald: Preview in Create Article gives error.
Issue #2220757 by Karol Haltenberger, xjm, drifter, zserno: Limit length of Config:: to something <= 166 characters.
Issue #1969108 by danblack, jhodgdon: INSTALL.mysql.txt does not mention CREATE TEMPORARY TABLES and it should.