I've ported the isemail module from PHP to D and I'm now working on adding 
exceptions instead of error codes. The PHP function takes an error level 
parameter indicating what kind of error level you want. You can pass in a 
warning and error level and possible others as well. You can also turn the 
error handling completely off. If the error handling is turned off the function 
will only return "true" or "false" indicating if the email address is valid or 
not.

If the error handling is on the function will return 0 if the email address is 
valid or otherwise an error code indicating what the error was.

The question I now has is: should we keep these different error levels or 
should we just have a parameter indicating if the error handling is on or off?

-- 
/Jacob Carlborg

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