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e536841d91
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@ -129,9 +129,9 @@ EM_BOOL CIrrDeviceSDL::MouseLeaveCallback(int eventType, const EmscriptenMouseEv
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}
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#endif
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bool CIrrDeviceSDL::keyIsKnownSpecial(EKEY_CODE key)
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bool CIrrDeviceSDL::keyIsKnownSpecial(EKEY_CODE irrlichtKey)
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{
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switch (key) {
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switch (irrlichtKey) {
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// keys which are known to have safe special character interpretation
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// could need changes over time (removals and additions!)
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case KEY_RETURN:
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@ -189,24 +189,68 @@ bool CIrrDeviceSDL::keyIsKnownSpecial(EKEY_CODE key)
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}
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}
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int CIrrDeviceSDL::findCharToPassToIrrlicht(int assumedChar, EKEY_CODE key)
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int CIrrDeviceSDL::findCharToPassToIrrlicht(uint32_t sdlKey, EKEY_CODE irrlichtKey, bool numlock)
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{
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switch (irrlichtKey) {
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// special cases that always return a char regardless of how the SDL keycode
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// looks
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switch (key) {
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case KEY_RETURN:
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case KEY_ESCAPE:
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return (int)key;
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return (int)irrlichtKey;
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// This is necessary for keys on the numpad because they don't use the same
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// keycodes as their non-numpad versions (whose keycodes correspond to chars),
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// but have their own SDL keycodes and their own Irrlicht keycodes (which
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// don't correspond to chars).
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case KEY_MULTIPLY:
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return '*';
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case KEY_ADD:
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return '+';
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case KEY_SUBTRACT:
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return '-';
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case KEY_DIVIDE:
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return '/';
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default:
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break;
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}
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if (numlock) {
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// Number keys on the numpad are also affected, but we only want them
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// to produce number chars when numlock is enabled.
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switch (irrlichtKey) {
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case KEY_NUMPAD0:
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return '0';
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case KEY_NUMPAD1:
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return '1';
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case KEY_NUMPAD2:
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return '2';
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case KEY_NUMPAD3:
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return '3';
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case KEY_NUMPAD4:
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return '4';
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case KEY_NUMPAD5:
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return '5';
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case KEY_NUMPAD6:
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return '6';
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case KEY_NUMPAD7:
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return '7';
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case KEY_NUMPAD8:
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return '8';
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case KEY_NUMPAD9:
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return '9';
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default:
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break;
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}
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}
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// SDL in-place ORs values with no character representation with 1<<30
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// https://wiki.libsdl.org/SDL2/SDLKeycodeLookup
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if (assumedChar & (1 << 30))
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// This also affects the numpad keys btw.
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if (sdlKey & (1 << 30))
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return 0;
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switch (key) {
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switch (irrlichtKey) {
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case KEY_PRIOR:
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case KEY_NEXT:
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case KEY_HOME:
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@ -218,7 +262,7 @@ int CIrrDeviceSDL::findCharToPassToIrrlicht(int assumedChar, EKEY_CODE key)
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case KEY_NUMLOCK:
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return 0;
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default:
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return assumedChar;
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return sdlKey;
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}
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}
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@ -825,7 +869,8 @@ bool CIrrDeviceSDL::run()
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irrevent.KeyInput.PressedDown = (SDL_event.type == SDL_KEYDOWN);
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irrevent.KeyInput.Shift = (SDL_event.key.keysym.mod & KMOD_SHIFT) != 0;
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irrevent.KeyInput.Control = (SDL_event.key.keysym.mod & KMOD_CTRL) != 0;
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irrevent.KeyInput.Char = findCharToPassToIrrlicht(mp.SDLKey, key);
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irrevent.KeyInput.Char = findCharToPassToIrrlicht(mp.SDLKey, key,
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(SDL_event.key.keysym.mod & KMOD_NUM) != 0);
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postEventFromUser(irrevent);
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} break;
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@ -273,10 +273,10 @@ class CIrrDeviceSDL : public CIrrDeviceStub
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#endif
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// Check if a key is a known special character with no side effects on text boxes.
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static bool keyIsKnownSpecial(EKEY_CODE key);
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static bool keyIsKnownSpecial(EKEY_CODE irrlichtKey);
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// Return the Char that should be sent to Irrlicht for the given key (either the one passed in or 0).
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static int findCharToPassToIrrlicht(int assumedChar, EKEY_CODE key);
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static int findCharToPassToIrrlicht(uint32_t sdlKey, EKEY_CODE irrlichtKey, bool numlock);
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// Check if a text box is in focus. Enable or disable SDL_TEXTINPUT events only if in focus.
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void resetReceiveTextInputEvents();
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6
lib/lua/README.md
Normal file
6
lib/lua/README.md
Normal file
@ -0,0 +1,6 @@
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## Lua 5.1.5 source
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This copy has been patched with Minetest-specific changes (`lua_atccall`)
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so it is *not* interchangeable with upstream PUC Lua.
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A patch for CVE-2014-5461 has been applied.
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@ -340,13 +340,14 @@ static int luaB_assert (lua_State *L) {
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static int luaB_unpack (lua_State *L) {
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int i, e, n;
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int i, e;
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unsigned int n;
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luaL_checktype(L, 1, LUA_TTABLE);
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i = luaL_optint(L, 2, 1);
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e = luaL_opt(L, luaL_checkint, 3, luaL_getn(L, 1));
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if (i > e) return 0; /* empty range */
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n = e - i + 1; /* number of elements */
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if (n <= 0 || !lua_checkstack(L, n)) /* n <= 0 means arith. overflow */
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n = (unsigned int)e - (unsigned int)i; /* number of elements minus 1 */
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if (n > (INT_MAX - 10) || !lua_checkstack(L, ++n))
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return luaL_error(L, "too many results to unpack");
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lua_rawgeti(L, 1, i); /* push arg[i] (avoiding overflow problems) */
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while (i++ < e) /* push arg[i + 1...e] */
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@ -101,6 +101,7 @@ static int db_getinfo (lua_State *L) {
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int arg;
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lua_State *L1 = getthread(L, &arg);
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const char *options = luaL_optstring(L, arg+2, "flnSu");
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luaL_argcheck(L, options[0] != '>', arg + 2, "invalid option '>'");
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if (lua_isnumber(L, arg+1)) {
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if (!lua_getstack(L1, (int)lua_tointeger(L, arg+1), &ar)) {
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lua_pushnil(L); /* level out of range */
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@ -274,7 +274,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
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CallInfo *ci;
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StkId st, base;
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Proto *p = cl->p;
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luaD_checkstack(L, p->maxstacksize);
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luaD_checkstack(L, p->maxstacksize + p->numparams);
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func = restorestack(L, funcr);
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if (!p->is_vararg) { /* no varargs? */
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base = func + 1;
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@ -133,7 +133,7 @@ static void inclinenumber (LexState *ls) {
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if (currIsNewline(ls) && ls->current != old)
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next(ls); /* skip `\n\r' or `\r\n' */
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if (++ls->linenumber >= MAX_INT)
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luaX_syntaxerror(ls, "chunk has too many lines");
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luaX_lexerror(ls, "chunk has too many lines", 0);
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}
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@ -209,14 +209,15 @@ static int l_strcmp (const TString *ls, const TString *rs) {
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int temp = strcoll(l, r);
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if (temp != 0) return temp;
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else { /* strings are equal up to a `\0' */
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size_t len = strlen(l); /* index of first `\0' in both strings */
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if (len == lr) /* r is finished? */
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return (len == ll) ? 0 : 1;
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else if (len == ll) /* l is finished? */
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return -1; /* l is smaller than r (because r is not finished) */
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/* both strings longer than `len'; go on comparing (after the `\0') */
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len++;
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l += len; ll -= len; r += len; lr -= len;
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size_t zl1 = strlen(l); /* index of first '\0' in 'l' */
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size_t zl2 = strlen(r); /* index of first '\0' in 'r' */
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if (zl2 == lr) /* 'r' is finished? */
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return (zl1 == ll) ? 0 : 1; /* check 'l' */
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else if (zl1 == ll) /* 'l' is finished? */
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return -1; /* 'l' is less than 'r' ('r' is not finished) */
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/* both strings longer than 'zl'; go on comparing after the '\0' */
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zl1++; zl2++;
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l += zl1; ll -= zl1; r += zl2; lr -= zl2;
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}
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}
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}
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