- fixed spelling mistake on taxonomy object

The taxonomy object was spelled with a dash instead of an underscore.
This is what was making the title fix fail for tags only. Categories
were spelled properly.
declared and never used in the function
- WP coding standards

Brining the function up to standards with brace styles.
- documented the function

Added documentation to the function since I was there already.
fixed up old docs
- wpdb is used

I incorrectly removed $wpdb when it is actually used.
Fix documentation typo in wpsc_find_purchlog_status_name
Check that 'xmlformat' query parameter is set.
Escape enclosure URL in product feed.
Delete FPDF.
Remove name="submit" from checkout page submit buttons
- fixed spelling mistake on taxonomy object

The taxonomy object was spelled with a dash instead of an underscore.
This is what was making the title fix fail for tags only. Categories
were spelled properly.
declared and never used in the function
- WP coding standards

Brining the function up to standards with brace styles.
- adding $id deprecated

Making sure that the $id param, which isn't used, tosses an error for
the user.