<stdin>

diff -r 00065f166c52 src/sv_main.cpp
--- a/src/sv_main.cpp   Sun Aug 19 22:11:18 2012 +0200
+++ b/src/sv_main.cpp   Sun Jul 07 12:30:32 2013 -0400
@@ -1072,28 +1072,36 @@
        // [BB] This is to make the lines readily identifiable, necessary
        // for MiX-MaN's IRC server control tool for example.
        bool sv_logfiletimestampOldValue = sv_logfiletimestamp;
-       if( sv_markchatlines )
-       {
-               Printf( "CHAT " );
-               sv_logfiletimestamp = false;
-       }
+    char outString[512];
+    char tmpString[256];
+
+    memset(outString, 0, 512 * sizeof(char));
+    memset(tmpString, 0, 256 * sizeof(char));
+
+    snprintf(outString, 512, "CHAT %% ");
+    sv_logfiletimestamp = false;
+
        // Print this message in the server's local window.
        if ( strnicmp( "/me", pszString, 3 ) == 0 )
        {
                pszString += 3;
                if ( ulPlayer == MAXPLAYERS )
-                       Printf( "* <server>%s\n", pszString );
+            snprintf(tmpString, 256, "* <server> %%%s\n", pszString);
                else
-                       Printf( "* %s%s\n", players[ulPlayer].userinfo.netname, pszString );
+            snprintf(tmpString, 256, "* %s %%%s\n", players[ulPlayer].userinfo.netname, pszString);
        }
        else
        {
                if ( ulPlayer == MAXPLAYERS )
-                       Printf( "<server>: %s\n", pszString );
+                       snprintf(tmpString, 256, "<server> %% %s\n", pszString );
                else
-                       Printf( "%s: %s\n", players[ulPlayer].userinfo.netname, pszString );
-       }
-       if( sv_markchatlines && sv_logfiletimestampOldValue )
+                       snprintf(tmpString, 256, "%s %% %s\n", players[ulPlayer].userinfo.netname, pszString );
+       }
+
+    strcat(outString, tmpString);
+    Printf("%s", outString);  // ugly hack to circumvent Printf processing
+
+       if( sv_logfiletimestampOldValue )
                sv_logfiletimestamp = true;
 }