* other tasks
+** use hash table for entries in .addresses
** mitigate special treatment of NNTP around wl-folder-check-entity-async
** organize variable like wl-summary-other-frame-list so as to open
matched summary in the new frame
* \e$B$=$NB>$N\e(B TODO
+** .addresses \e$B%(%s%H%j$K$D$$$F\e(B hash table \e$B$r;H$&\e(B
** wl-folder-check-entity-async \e$B$N$"$?$j$G\e(B NNTP \e$B$,FCJL07$$$K$J$C$F$$$k$N$r\e(B
\e$B$I$&$K$+$9$k\e(B
** wl-summary-other-frame-list \e$B$N$h$&$JJQ?t$r@_$1!"%^%C%A$7$?%5%^%j$O\e(B