Unless there is a special reason for it, there should not be a space before a ? in english. Please correct for these following strings

#: ../plugins/groupwise-features/org-gnome-process-meeting.error.xml.h:1
#| msgid "Are you sure you want to delete this meeting?"
msgid "Do you want to resend the meeting ?"

#: ../plugins/groupwise-features/org-gnome-process-meeting.error.xml.h:2
#| msgid "Are you sure you want to delete this meeting?"
msgid "Do you want to resend the recurring meeting ?"

#: ../plugins/groupwise-features/org-gnome-process-meeting.error.xml.h:3
#| msgid "Are you sure you want to delete the journal entry '{0}'?"
msgid "Do you want to retract the original item ?"

#: ../plugins/groupwise-features/mail-retract.c:57
msgid ""
"Retracting a message may remove it from the recipient's mailbox. Are you "
"sure you want to do this ?"