Applied patch #1058.

changelog

@@ -98,6 +98,8 @@ Version 1.5.0-svn:
    * Add support for overlay terrains (terrains which can be placed above any
      base terrain)
    * Add multiple types for events
+   * Add allow a simple [clear_variable] to clear multiple variables (separated
+     by comma)
  * miscellaneous and bug fixes:
    * Changed logging to have less overhead when it is turned off (patch #1038)
    * Fixed error message for broken add-on campaigns (bug #11078)

data/core/about.cfg

@@ -741,7 +741,11 @@
     [/entry]
     [entry]
         name = "Petr Sobotka (Pietro)"
-    [/entry]
+    [/entry] 
+    [entry]
+	name = "Prevost Thomas (zancdar)"
+	email = "thomas.prevost_AT_gmail.com"
+    [/entry]	
     [entry]
         name = "Priit Laes (plaes)"
     [/entry]

src/game_events.cpp

@@ -38,6 +38,7 @@
 #include "gettext.hpp"
 #include "serialization/string_utils.hpp"
 #include "wml_exception.hpp"
+#include "foreach.hpp"
 
 #include <cassert>
 #include <cstdlib>
@@ -1951,6 +1952,7 @@ void event_handler::handle_event_command(const queued_event& event_info,
 				utils::split(side_for_raw, ',', utils::STRIP_SPACES | utils::REMOVE_EMPTY);
 			std::vector<std::string>::iterator itSide;
 			size_t side;
+
 			// Check if any of side numbers are human controlled
 			for (itSide = side_for.begin(); itSide != side_for.end(); ++itSide)
 			{
@@ -2613,7 +2615,11 @@ void event_handler::handle_event_command(const queued_event& event_info,
 	// Command to remove a variable
 	else if(cmd == "clear_variable") {
 		const std::string name = cfg["name"];
-		state_of_game->clear_variable(name);
+		std::vector<std::string> vars_to_clear = 
+		    utils::split(name, ',', utils::STRIP_SPACES | utils::REMOVE_EMPTY);
+		foreach(const std::string& var, vars_to_clear) {
+		    state_of_game->clear_variable(var);
+		}
 	}
 
 	else if(cmd == "endlevel") {
@@ -3203,3 +3209,4 @@ bool entity_location::requires_unit() const
 
 } // end namespace game_events (2)
 
+