diff -burNp eggdrop1.6.19/src/chan.h eggdrop1.6.19.new/src/chan.h
--- eggdrop1.6.19/src/chan.h	2008-02-16 22:41:03.000000000 +0100
+++ eggdrop1.6.19.new/src/chan.h	2008-09-22 11:27:30.636306556 +0200
@@ -191,6 +191,7 @@ struct chanset_t {
   int mode_mns_prot;     /* modes to reject                   */
   int limit_prot;        /* desired limit                     */
   char key_prot[121];    /* desired password                  */
+  char topic_prot[501];  /* desired topic                     */
   char pls[21];          /* positive mode changes             */
   char mns[21];          /* negative mode changes             */
   char *key;             /* new key to set                    */
diff -burNp eggdrop1.6.19/src/chanprog.c eggdrop1.6.19.new/src/chanprog.c
--- eggdrop1.6.19/src/chanprog.c	2008-02-16 22:41:03.000000000 +0100
+++ eggdrop1.6.19.new/src/chanprog.c	2008-09-22 11:30:50.744325464 +0200
@@ -690,3 +690,24 @@ int isowner(char *name)
 
   return 0;
 }
+
+/* If we have a protected topic and the bot is opped, halfoped,
+ * or the channel is -t, change the topic. (Sup 11May2001)
+*/
+void check_topic(struct chanset_t *chan)
+{
+  memberlist *m = NULL;
+
+  if (chan->topic_prot[0]) {
+    m = ismember(chan, botname);
+    if (!m)
+      return;
+    if (chan->channel.topic) {
+      if (!egg_strcasecmp(chan->topic_prot, chan->channel.topic))
+       return;
+    }
+    if (chan_hasop(m) || !channel_optopic(chan) || chan_hashalfop(m))
+      dprintf(DP_SERVER, "TOPIC %s :%s\n", chan->name, chan->topic_prot);
+  }
+}
+
diff -burNp eggdrop1.6.19/src/mod/channels.mod/channels.c eggdrop1.6.19.new/src/mod/channels.mod/channels.c
--- eggdrop1.6.19/src/mod/channels.mod/channels.c	2008-02-16 22:41:06.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/channels.mod/channels.c	2008-09-22 11:34:55.161533902 +0200
@@ -385,6 +385,7 @@ static void write_channels()
   FILE *f;
   char s[121], w[1024], w2[1024], name[163];
   char need1[242], need2[242], need3[242], need4[242], need5[242];
+  char topic[1002];
   struct chanset_t *chan;
   struct udef_struct *ul;
 
@@ -405,6 +406,7 @@ static void write_channels()
     convert_element(chan->dname, name);
     get_mode_protect(chan, w);
     convert_element(w, w2);
+    convert_element(chan->topic_prot, topic);
     convert_element(chan->need_op, need1);
     convert_element(chan->need_invite, need2);
     convert_element(chan->need_key, need3);
@@ -412,7 +414,7 @@ static void write_channels()
     convert_element(chan->need_limit, need5);
     /* Do not indent me (adds extra spaces to chan file). */
     fprintf(f,
-"channel %s %s%schanmode %s idle-kick %d stopnethack-mode %d revenge-mode %d \
+"channel %s %s%schanmode %s topic %s idle-kick %d stopnethack-mode %d revenge-mode %d \
 need-op %s need-invite %s need-key %s need-unban %s need-limit %s \
 flood-chan %d:%d flood-ctcp %d:%d flood-join %d:%d flood-kick %d:%d \
 flood-deop %d:%d flood-nick %d:%d aop-delay %d:%d ban-time %d exempt-time %d \
@@ -422,7 +424,7 @@ invite-time %d %cenforcebans %cdynamicba
 %cseen %cinactive %cdynamicexempts %cuserexempts %cdynamicinvites \
 %cuserinvites %cnodesynch ",
             channel_static(chan) ? "set" : "add", name, channel_static(chan) ?
-            " " : " { ", w2, chan->idle_kick, chan->stopnethack_mode,
+	    " " : " { ", w2, topic, chan->idle_kick, chan->stopnethack_mode,
             chan->revenge_mode, need1, need2, need3, need4, need5,
             chan->flood_pub_thr, chan->flood_pub_time,
             chan->flood_ctcp_thr, chan->flood_ctcp_time,
diff -burNp eggdrop1.6.19/src/mod/channels.mod/cmdschan.c eggdrop1.6.19.new/src/mod/channels.mod/cmdschan.c
--- eggdrop1.6.19/src/mod/channels.mod/cmdschan.c	2008-02-16 22:41:07.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/channels.mod/cmdschan.c	2008-09-22 11:37:38.571477034 +0200
@@ -1269,6 +1269,7 @@ static void cmd_chaninfo(struct userrec 
             channel_static(chan) ? "static" : "dynamic", chan->dname);
     get_mode_protect(chan, work);
     dprintf(idx, "Protect modes (chanmode): %s\n", work[0] ? work : "None");
+    dprintf(idx, "Protect topic: %s\n", chan->topic_prot[0] ? chan->topic_prot : "None");
     if (chan->idle_kick)
       dprintf(idx, "Idle Kick after (idle-kick): %d\n", chan->idle_kick);
     else
diff -burNp eggdrop1.6.19/src/mod/channels.mod/help/chaninfo.help eggdrop1.6.19.new/src/mod/channels.mod/help/chaninfo.help
--- eggdrop1.6.19/src/mod/channels.mod/help/chaninfo.help	2003-02-02 05:20:44.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/channels.mod/help/chaninfo.help	2008-09-22 11:42:29.504962817 +0200
@@ -4,6 +4,7 @@
      It shows any of the following:
         %bchanmode%b   These modes are enforced on the channel. Both + and -
                    modes can be enforced.
+        %btopic%b      which topic is enforced on the channel
         %bidle-kick%b  Kick idle users that are not +f or above on the channel
                    after how many minutes (set this to 0 to disable).
 %{+n}
diff -burNp eggdrop1.6.19/src/mod/channels.mod/tclchan.c eggdrop1.6.19.new/src/mod/channels.mod/tclchan.c
--- eggdrop1.6.19/src/mod/channels.mod/tclchan.c	2008-02-16 22:41:07.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/channels.mod/tclchan.c	2008-09-22 11:46:12.888320583 +0200
@@ -1223,6 +1223,15 @@ static int tcl_channel_modify(Tcl_Interp
         return TCL_ERROR;
       }
       chan->invite_time = atoi(item[i]);
+    } else if (!strcmp(item[i], "topic")) {
+      i++;
+      if (i >= items) {
+       if (irp)
+         Tcl_AppendResult(irp, "channel topic needs argument", NULL);
+       return TCL_ERROR;
+      }
+      strncpyz(chan->topic_prot, item[i], sizeof(chan->topic_prot));
+      check_topic(chan);
     } else if (!strcmp(item[i], "+enforcebans"))
       chan->status |= CHAN_ENFORCEBANS;
     else if (!strcmp(item[i], "-enforcebans"))
diff -burNp eggdrop1.6.19/src/mod/irc.mod/chan.c eggdrop1.6.19.new/src/mod/irc.mod/chan.c
--- eggdrop1.6.19/src/mod/irc.mod/chan.c	2008-02-16 22:41:09.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/irc.mod/chan.c	2008-09-22 11:51:07.921436628 +0200
@@ -1513,12 +1513,14 @@ static int gottopic(char *from, char *ms
   memberlist *m;
   struct chanset_t *chan;
   struct userrec *u;
+  struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0, 0, 0, 0};
 
   chname = newsplit(&msg);
   fixcolon(msg);
   u = get_user_by_host(from);
   nick = splitnick(&from);
   chan = findchan(chname);
+  get_user_flagrec(u, &fr, chname);
   if (chan) {
     putlog(LOG_JOIN, chan->dname, "Topic changed on %s by %s!%s: %s",
            chan->dname, nick, from, msg);
@@ -1527,6 +1529,8 @@ static int gottopic(char *from, char *ms
       m->last = now;
     set_topic(chan, msg);
     check_tcl_topc(nick, from, u, chan->dname, msg);
+    if (egg_strcasecmp(botname, nick) && !glob_master(fr) && !chan_master(fr))
+      check_topic(chan);
   }
   return 0;
 }
@@ -1545,6 +1549,7 @@ static int got331(char *from, char *msg)
   if (chan) {
     set_topic(chan, NULL);
     check_tcl_topc("*", "*", NULL, chan->dname, "");
+    check_topic(chan);
   }
   return 0;
 }
@@ -1564,6 +1569,7 @@ static int got332(char *from, char *msg)
     fixcolon(msg);
     set_topic(chan, msg);
     check_tcl_topc("*", "*", NULL, chan->dname, msg);
+    check_topic(chan);
   }
   return 0;
 }
diff -burNp eggdrop1.6.19/src/mod/irc.mod/cmdsirc.c eggdrop1.6.19.new/src/mod/irc.mod/cmdsirc.c
--- eggdrop1.6.19/src/mod/irc.mod/cmdsirc.c	2008-02-16 22:41:09.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/irc.mod/cmdsirc.c	2008-09-22 11:55:02.514726004 +0200
@@ -898,6 +898,7 @@ static void cmd_channel(struct userrec *
 static void cmd_topic(struct userrec *u, int idx, char *par)
 {
   struct chanset_t *chan;
+  struct flag_record fr = {FR_GLOBAL | FR_CHAN, 0, 0, 0, 0, 0};
 
   if (par[0] && (strchr(CHANMETA, par[0]) != NULL)) {
     char *chname = newsplit(&par);
@@ -923,6 +924,13 @@ static void cmd_topic(struct userrec *u,
     dprintf(idx, "I'm not a channel op or halfop on %s and the channel is "
             "+t.\n", chan->dname);
   else {
+      if (chan->topic_prot[0]) {
+       get_user_flagrec(u, &fr, chan->dname);
+       if (!glob_master(fr) && !chan_master(fr)) {
+	 dprintf(idx, "The topic of %s is protected.\n", chan->dname);
+	 return;
+       }
+      }
     dprintf(DP_SERVER, "TOPIC %s :%s\n", chan->name, par);
     dprintf(idx, "Changing topic...\n");
     putlog(LOG_CMDS, "*", "#%s# (%s) topic %s", dcc[idx].nick,
diff -burNp eggdrop1.6.19/src/mod/irc.mod/mode.c eggdrop1.6.19.new/src/mod/irc.mod/mode.c
--- eggdrop1.6.19/src/mod/irc.mod/mode.c	2008-02-16 22:41:09.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/irc.mod/mode.c	2008-09-22 12:00:05.134685721 +0200
@@ -460,8 +460,10 @@ static void got_op(struct chanset_t *cha
     }
   }
   m->flags |= WASOP;
-  if (check_chan)
+  if (check_chan) {
     recheck_channel(chan, 1);
+    check_topic(chan);
+  }
 }
 
 static void got_halfop(struct chanset_t *chan, char *nick, char *from,
@@ -549,8 +551,10 @@ static void got_halfop(struct chanset_t 
     }
   }
   m->flags |= WASHALFOP;
-  if (check_chan)
+  if (check_chan) {
     recheck_channel(chan, 1);
+    check_topic(chan);
+  }
 }
 
 static void got_deop(struct chanset_t *chan, char *nick, char *from,
@@ -1246,6 +1250,8 @@ static int gotmode(char *from, char *ori
                      (chan->mode_mns_prot & todo)))
               add_mode(chan, ms2[0] == '+' ? '-' : '+', *chg, "");
           }
+	  if ((ms2[0] == '-') && ((*chg == 't') || (*chg == 'h')))
+            check_topic(chan);
         }
         chg++;
       }
diff -burNp eggdrop1.6.19/src/mod/module.h eggdrop1.6.19.new/src/mod/module.h
--- eggdrop1.6.19/src/mod/module.h	2008-02-16 22:41:06.000000000 +0100
+++ eggdrop1.6.19.new/src/mod/module.h	2008-09-22 12:01:11.964804368 +0200
@@ -361,7 +361,7 @@
 #define rem_tcl_coups ((void (*) (tcl_coups *))global[210])
 #define botname ((char *)(global[211]))
 /* 212 - 215 */
-/* 212: remove_gunk() -- UNUSED (drummer) */
+#define check_topic ((void (*)(struct chanset_t *))global[212])
 #define check_tcl_chjn ((void (*) (const char *,const char *,int,char,int,const char *))global[213])
 #define sanitycheck_dcc ((int (*)(char *, char *, char *, char *))global[214])
 #define isowner ((int (*)(char *))global[215])
diff -burNp eggdrop1.6.19/src/modules.c eggdrop1.6.19.new/src/modules.c
--- eggdrop1.6.19/src/modules.c	2008-02-16 22:41:04.000000000 +0100
+++ eggdrop1.6.19.new/src/modules.c	2008-09-22 12:09:57.119525901 +0200
@@ -461,7 +461,7 @@ Function global_table[] = {
   (Function) rem_tcl_coups,
   (Function) botname,
   /* 212 - 215 */
-  (Function) 0,                   /* remove_gunk() -- UNUSED! (drummer)  */
+  (Function) check_topic,
   (Function) check_tcl_chjn,
   (Function) sanitycheck_dcc,
   (Function) isowner,
diff -burNp eggdrop1.6.19/src/patch.h eggdrop1.6.19.new/src/patch.h
--- eggdrop1.6.19/src/patch.h	2008-04-19 06:21:20.000000000 +0200
+++ eggdrop1.6.19.new/src/patch.h	2008-09-22 12:11:00.141439071 +0200
@@ -36,7 +36,7 @@
  *
  *
  */
-/* PATCH GOES HERE */
+patch("topicprot");
 /*
  *
  *
diff -burNp eggdrop1.6.19/src/proto.h eggdrop1.6.19.new/src/proto.h
--- eggdrop1.6.19/src/proto.h	2008-02-16 22:41:04.000000000 +0100
+++ eggdrop1.6.19.new/src/proto.h	2008-09-22 12:12:19.684612158 +0200
@@ -114,6 +114,7 @@ void check_timers();
 void set_chanlist(const char *host, struct userrec *rec);
 void clear_chanlist(void);
 void clear_chanlist_member(const char *nick);
+void check_topic(struct chanset_t *);
 
 /* cmds.c */
 int check_dcc_attrs(struct userrec *, int);