+ if !exists('g:notmuch_date_format')
+ let g:notmuch_date_format = s:notmuch_date_format_default
+ endif
+
+ if !exists('g:notmuch_datetime_format')
+ let g:notmuch_datetime_format = s:notmuch_datetime_format_default
+ endif
+
+ if !exists('g:notmuch_reader')
+ let g:notmuch_reader = s:notmuch_reader_default
+ endif
+
+ if !exists('g:notmuch_sendmail')
+ let g:notmuch_sendmail = s:notmuch_sendmail_default
+ endif
+
+ if !exists('g:notmuch_folders_count_threads')
+ let g:notmuch_folders_count_threads = s:notmuch_folders_count_threads_default
+ endif
+