Add new 'bynetworkuser' CSS class to output from comment-template.php

[jacques_chester]

Currently, the comment-template.php file checks to see whether a comment author is in the wp_user table.

If they are, then WordPress will emit a 'byuser' class as part of the comment div markup.

However, this behaviour is not ideal from multisite installations. 'byuser' should be restricted on a per-blog basis.

I propose that the current behaviour be assigned to a new CSS class, 'bynetworkuser'.

Preliminary diff

Your diff doesn't contain the file name (it's just ".php").

Please make patches against the root wp directory.

Is changing the context in which the byuser class is applied going to cause back-compat issues?

Replying to solarissmoke:

Is changing the context in which the byuser class is applied going to cause back-compat issues?

Yes.

If anything we should add by-user-of-blog.

If we want to add this, here's a patch, otherwise wontfix.