Function: Runs before the schema is upgraded.

Function: Determine if global tables should be upgraded.

Function: Retrieve all options as it was for 1.2.

Function: Filters for content to remove unnecessary slashes.

Function: Modifies the database based on specified SQL statements.

Function: Updates the database tables to a new schema.

Function: Updates the database tables to a new schema, but without displaying results.

Function: Creates a site theme from an existing theme.