- whitespaces at end of lines
 - indentation
 - control structure usage
 - whitespace in empty lines
 - phpdoc comment formatting

- Patch #169982 by moshe, eaton, bjaspan, nedjo, yched, et al: missing feature from schema API: load/save records based upon schema.

#162432 by bjaspan and chx: serial columns need their keys defined in db_change_field() and friends in MySQL

#173566 by bjaspan: remove db_update_field(), because it can easily be used for evil (and mostly nothing else). We should not let contributed modules to easily break their database.

 - always include CVS Id tags in all files
 - add a new line after the CVS Id, if more code or phpdoc follows in the same code block
 - fix bogus Id tags previously added

#150210 by bjaspan and Frando: explicit table names for create table statements and fixing a schema referencing bug

- Patch #149176 by chx, David et al: getting rid of the sequences table, using db_last_insert_id() instead of db_next_id().