+_notmuch_shared_options="--help --uuid= --version"
+
+# $1: current input of the form prefix:partialinput, where prefix is
+# to or from.
+_notmuch_email()
+{
+ local output prefix cur
+
+ prefix="${1%%:*}"
+ cur="${1#*:}"
+
+ # Cut the input to be completed at punctuation because
+ # (apparently) Xapian does not support the trailing wildcard '*'
+ # operator for input with punctuation. We let compgen handle the
+ # extra filtering required.
+ cur="${cur%%[^a-zA-Z0-9]*}"
+
+ case "$prefix" in
+ # Note: It would be more accurate and less surprising to have
+ # output=recipients here for to: addresses, but as gathering
+ # the recipient addresses requires disk access for each
+ # matching message, this becomes prohibitively slow.
+ to|from) output=sender;;
+ *) return;;
+ esac
+
+ # Only emit plain, lower case, unique addresses.
+ notmuch address --output=$output $prefix:"${cur}*" | \
+ sed 's/[^<]*<\([^>]*\)>/\1/' | tr "[:upper:]" "[:lower:]" | sort -u
+}
+
+_notmuch_mimetype()