diff --git a/build_file.cpp b/build_file.cpp
index 53b23fd..d440cc2 100644
--- a/build_file.cpp
+++ b/build_file.cpp
@@ -184,6 +184,7 @@ KEY_UP = 1073741906 -- 0x40000052u
 KEY_RIGHT = 1073741903
 KEY_LEFT = 1073741904
 KEY_Q = 113
+KEY_BACKSLASH = 0x5c
 
 KEY_F1  = 0x4000003a
 KEY_F2  = 0x4000003b
diff --git a/src/text_editor/generated.cpp b/src/text_editor/generated.cpp
index 5ee205e..e0b9282 100644
--- a/src/text_editor/generated.cpp
+++ b/src/text_editor/generated.cpp
@@ -75,6 +75,7 @@ KEY_UP = 1073741906 -- 0x40000052u
 KEY_RIGHT = 1073741903
 KEY_LEFT = 1073741904
 KEY_Q = 113
+KEY_BACKSLASH = 0x5c
 
 KEY_F1  = 0x4000003a
 KEY_F2  = 0x4000003b
diff --git a/src/text_editor/lua_api.cpp b/src/text_editor/lua_api.cpp
index 0710402..30e140d 100644
--- a/src/text_editor/lua_api.cpp
+++ b/src/text_editor/lua_api.cpp
@@ -146,6 +146,11 @@ int Lua_Reopen(lua_State *L) {
     return 0;
 }
 
+int Lua_ToggleFullscreen(lua_State *L) {
+    ToggleFullscreen();
+    return 0;
+}
+
 int Lua_Print(lua_State *L) {
     Scratch scratch;
     String  string = lua_tostring(L, 1);
diff --git a/src/text_editor/lua_api_generated.cpp b/src/text_editor/lua_api_generated.cpp
index b1f35b1..a582cc3 100644
--- a/src/text_editor/lua_api_generated.cpp
+++ b/src/text_editor/lua_api_generated.cpp
@@ -7,6 +7,7 @@ luaL_Reg LuaFunctions[] = {
     {"GetLoadWord", Lua_GetLoadWord},
     {"Open", Lua_Open},
     {"Reopen", Lua_Reopen},
+    {"ToggleFullscreen", Lua_ToggleFullscreen},
     {"Print", Lua_Print},
     {"ListBuffers", Lua_ListBuffers},
     {"GetBufferList", Lua_GetBufferList},
diff --git a/src/text_editor/text_editor.cpp b/src/text_editor/text_editor.cpp
index baf44be..716dd12 100644
--- a/src/text_editor/text_editor.cpp
+++ b/src/text_editor/text_editor.cpp
@@ -304,7 +304,7 @@ int main(int argc, char **argv)
         String it = argv[i];
         if (!FileExists(it)) continue;
 
-        if (EndsWith(it, ".project.lua")) {
+        if (EndsWith(it, ".lua_project")) {
             if (!LuaProjectBuffer) {
                 LuaProjectBuffer                 = BufferOpenFile(it);
                 LuaProjectBuffer->user_change_id = -1;