patch 287378ffe6ada32c8197ae2c266578bf469f554e
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date:   Wed Nov 16 23:03:15 CET 2016
  * Wait for response of SEARCH (get the number of messages) before sending the IDLE command
diff -rN -u old-idlebiff/idlebiff new-idlebiff/idlebiff
--- old-idlebiff/idlebiff	2024-05-19 00:58:48.348775438 +0200
+++ new-idlebiff/idlebiff	2024-05-19 00:58:48.348775438 +0200
@@ -349,8 +349,8 @@
   after cancel $ka
   set idle 0
   exit_idle $con
-  if $check { do_search $con }
-  enter_idle $con
+  if $check { do_search $con } \
+  else { enter_idle $con }
   set ka [ after ${conf(keepalive)}000 { idle_cycle $con 0 } ]
 }
 
@@ -362,7 +362,6 @@
   fileevent $con readable { parse_idle_check $con }
   enter_mailbox $con
   do_search $con
-  enter_idle $con
   set ka [ after ${conf(keepalive)}000 { idle_cycle $con 0 } ]
 }
 
@@ -440,6 +439,7 @@
               else { set rexpr {^\*\s+search\s+(.*)$} }
   if [ regexp -lineanchor -nocase $rexpr $linea -> res ] \
   {
+    enter_idle $con
     if !$cap(esearch) { set res [ llength $res ] }
     set new_messages $res
     if { $new_messages > 0 } \