Each language version of is_email() now has its own trunk.

Look in /svn/PHP/trunk for the PHP version, for example.

If you plan to make changes, use this command to check out the code as yourself using HTTPS:

# Project members authenticate over HTTPS to allow committing changes.
svn checkout https://isemail.googlecode.com/svn/PHP/trunk/ isemail --username your.username

When prompted, enter your generated googlecode.com password.
Use this command to anonymously check out the latest project source code:

# Non-members may check out a read-only working copy anonymously over HTTP.
svn checkout http://isemail.googlecode.com/svn/PHP/trunk/ isemail-read-only