Documentation / spellchecker

git-svn-id: http://h2database.googlecode.com/svn/trunk@5206 e6896862-9d19-0410-bfb3-e9fa5d50e656
Improved error message for some syntax errors.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5207 e6896862-9d19-0410-bfb3-e9fa5d50e656
Consistent out-of-memory handling

git-svn-id: http://h2database.googlecode.com/svn/trunk@5208 e6896862-9d19-0410-bfb3-e9fa5d50e656
Documentation, formatting, javadocs.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5209 e6896862-9d19-0410-bfb3-e9fa5d50e656