commit - 85dc4d87770f821b777f5dbf6372956dbffc770c
commit + 34578b8b300bdb39d6fef7dba0ba8e02fe6c17fd
blob - 098f6e537c7287488de37e54423bc5635fb17896
blob + c4426762d79ed9adff2040b1221dc64f92603df7
--- INSTALL
+++ INSTALL
@@ -35,6 +35,10 @@ Differences to version 20.x
 - When adding GLINE's or KLINE's to ngIRCd 21 (or newer), all clients matching
   the new mask will be KILL'ed. This was not the case with earlier versions
   that only added the mask but didn't kill already connected users.
+
+- The "PredefChannelsOnly" configuration variable has been superseeded by the
+  new "AllowedChannelTypes" variable. It is still supported and translated to
+  the apropriate "AllowedChannelTypes" setting but is deprecated now.
 
 Differences to version 19.x
 
@@ -44,7 +48,7 @@ Differences to version 19.x
   set mode +x. This prevents regular users from changing their hostmask to
   the name of the IRC server itself, which confused quite a few people ;-)
 
-Differences to version 17
+Differences to version 17.x
 
 - Support for ZeroConf/Bonjour/Rendezvous service registration has been
   removed. The configuration option "NoZeroconf" is no longer available.
@@ -81,7 +85,7 @@ Differences to version 17
   You should adjust your ngircd.conf and run "ngircd --configtest" to make
   sure that your settings are correct and up to date!
 
-Differences to version 16
+Differences to version 16.x
 
 - Changes to the "MotdFile" specified in ngircd.conf now require a ngircd
   configuration reload to take effect (HUP signal, REHASH command).