Bug#722420: debbugs: control phrases error out if they start with whitespace

Package: debbugs
Severity: normal

I just sent the following to [email protected]

retitle 609047 ITP: ccl -- Clozure CL
 owner 609047 !
 thanks

This gave the error:

###########################################
Processing commands for [email protected]:

> retitle 609047 ITP: ccl -- Clozure CL
Bug #609047 [wnpp] RFP: ccl -- Clozure CL
Changed Bug title to 'ITP: ccl -- Clozure CL' from 'RFP: ccl -- Clozure CL'
>   owner 609047 !
Unknown command or malformed arguments to command.
>   thanks
Unknown command or malformed arguments to command.
> Hi,
Unknown command or malformed arguments to command.
> The current state of this package is reflected in the repositories
Unknown command or malformed arguments to command.
> https://bitbucket.org/faheem/ccl-debian and
Unknown command or malformed arguments to command.
Too many unknown commands, stopping here.
###############################################

It would be better if this worked even with leading spaces - failing
that, a useful error message would be nice.

                                                     Regards, Faheem

-- System Information:
Debian Release: 7.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable'), (500, 'oldstable'), (50, 'unstable'), (50, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.2.0-4-amd64 (SMP w/6 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash