Empty SMTP headers cannot parse in Direct RI

[GoogleCodeExporter]

What steps will reproduce the problem?
1.Sending HISP creates a Direct message with an empty SMTP message header (i.e. 
"x-ExampleHeader: "). The value for the header after the colon is empty. 
2.The receiving HISP attempts to parse the incoming message
3.

What is the expected output? 
The message should parse correctly. 

What do you see instead?
The message doesn't parse and an exception is thrown.  

Please use labels and text to provide additional information.

Original issue reported on code.google.com by aliem...@microsoft.com on 26 Jun 2012 at 4:13

[GoogleCodeExporter]

this appears to only be an issue in the .Net RI.  Changing the Project- detail 
to Project-CSharp.

Original comment by gm2...@cerner.com on 20 Nov 2012 at 3:35

• Added labels: Project-CSharp
• Removed labels: Project-All

[GoogleCodeExporter]

Fixed a while back.

Original comment by joeshook@gmail.com on 6 Dec 2013 at 1:53

• Changed state: Fixed