Useless PHP backports

[Peter Eisentraut <peter_e@gmx.net>]

I've noticed several "backports" where the package merely consists of a 
couple of PHP scripts and the backport contains *no* difference besides 
a changelog entry ("rebuild for sarge") and a changed version number.  
Shouldn't there be a rule that a backport should at least contain a 
functional difference to the version being backported from?  I know 
that this doesn't do any harm, but it seems to be a waste of effort and 
attention.

Examples:

php-net-imap
php-net-sieve
php-net-socket