nightly update

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59274 65644016-39b1-43b1-bf79-96bc8fe82c15
Complement DDL triggers documentation.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59275 65644016-39b1-43b1-bf79-96bc8fe82c15
Complement DDL triggers documentation.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59276 65644016-39b1-43b1-bf79-96bc8fe82c15
Fixed a regression in my recent commit, thanks to Adriano.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59278 65644016-39b1-43b1-bf79-96bc8fe82c15