The map editor is started automatically...

...if the game binary used contains "editor" somewhere in its name
(useful for symlinks).

changelog

@@ -11,6 +11,10 @@ Version 1.5.6+svn:
        Noble Lord, and gave leading animations to Wesfolk Outcast line.
    * Under the Burning Suns:
      * Made Elyssa loyal+quick instead of quick+intelligent.
+ * Editor2:
+   * The map editor is automatically started if the binary file used
+     to start Wesnoth contains "editor" somewhere in its name (useful
+     for symlinks).
  * Graphics:
    * New or updated unit frames: Gryphon Rider, Gryphon Master,
      Revenant.

players_changelog

@@ -16,6 +16,10 @@ Version 1.5.6+svn:
         line.
     * Under the Burning Suns:
       * Made Elyssa Loyal and Quick instead of Quick and Intelligent.
+  * Editor2
+    * The map editor is automatically started if the binary file used
+      to start Wesnoth contains "editor" somewhere in its name (useful
+      for symlinks).
 
   * Graphics
     * New or updated unit graphics: Gryphon Rider, Gryphon Master,

src/game.cpp

@@ -273,6 +273,11 @@ game_controller::game_controller(int argc, char** argv) :
 		font_manager_.update_font_path();
 	}
 
+#ifndef DISABLE_EDITOR2
+	const std::string app_basename = file_name(argv[0]);
+	jump_to_editor_ = app_basename.find("editor") != std::string::npos;
+#endif
+
 	for(arg_ = 1; arg_ != argc_; ++arg_) {
 		const std::string val(argv_[arg_]);
 		if(val.empty()) {