Changed: Possible bug if string not found

--HG--
branch : hotfix

code/ryzom/client/src/interface_v3/chat_window.cpp

@@ -604,6 +604,10 @@ void CChatGroupWindow::displayMessage(const ucstring &msg, NLMISC::CRGBA col, CC
 						pos = newmsg.find(ucstring("}"));;
 						prefix += " ";
 					}
+					
+					if (pos == ucstring::npos)
+						newmsg = prefix + newmsg;
+					else
 						newmsg = newmsg.substr(0, pos + 1) + prefix + newmsg.substr(pos + 1);
 
 					// Add dynchannel number and optionally name before text if user channel
@@ -615,6 +619,10 @@ void CChatGroupWindow::displayMessage(const ucstring &msg, NLMISC::CRGBA col, CC
 						STRING_MANAGER::CStringManagerClient::instance()->getDynString(textId, title);
 						prefix = title.empty() ? ucstring("") : ucstring(" ") + title;
 						pos = newmsg.find(ucstring("] "));
+
+						if (pos == ucstring::npos)
+							newmsg = prefix + newmsg;
+						else
 							newmsg = newmsg.substr(0, pos) + prefix + newmsg.substr(pos);
 					}
 				}