Repository navigation

Allow more MySQL and PostgreSQL keywords as unquoted identifiers #1311

Job	Run time
Gradle Check (macos-latest)	5m 11s
Gradle Check (ubuntu-latest)	4m 8s
Grammar Choice Conflicts	41s
Gradle Check (windows-latest)	4m 23s
Maven Verify (ubuntu-latest)	2m 44s
Maven Verify (macos-latest)	4m 59s
Maven Verify (windows-latest)	5m 12s
Gradle Publish (Maven Central)	-1s
Build & Deploy Sphinx Docs	-1s
	27m 16s