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version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="flat" ternary="true" codify="false" inheritance="false" sublistIDs="false" scheduled="false" 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id="2"/></wear><costumes><list struct="atomic" id="3"></list></costumes><sounds><list struct="atomic" id="4"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><sprite name="Sprite" idx="1" x="-230" y="-270" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="9"><costumes><list struct="atomic" id="10"></list></costumes><sounds><list struct="atomic" id="11"></list></sounds><blocks></blocks><variables></variables><scripts><script x="162" y="387"><custom-block s="set flat line ends to %b"><l/></custom-block></script><script x="248" y="227.8"><block s="changeXPosition"><l>10</l></block></script><script x="229" y="157.79999999999995"><custom-block s="row b"></custom-block></script><script x="227" y="80"><custom-block s="row a"></custom-block></script><script x="112.999999" y="205.96666566666664"><block s="doForever"><script></script></block></script><script x="578.999999" y="95.96666566666664"><block s="clear"></block></script><script x="547" y="197"><custom-block s="draw brick wall %s times"><l>15</l></custom-block></script></scripts></sprite></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="set flag %&apos;which&apos; to %&apos;tf&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true"><options>Presentation mode&#xD;Retina display support&#xD;Long form input dialog&#xD;Plain prototype labels&#xD;Input sliders&#xD;Execute on slider change&#xD;Clicking sound&#xD;Turbo mode&#xD;Flat design&#xD;Keyboard editing&#xD;Table support&#xD;Table lines&#xD;Visible stepping&#xD;Thread safe scripts&#xD;Prefer smooth animations&#xD;Flat line ends&#xD;Codification support&#xD;Inheritance support</options></input><input type="%b"></input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>which</l><l>tf</l></list><l>var   stage = this.parentThatIsA(StageMorph),&#xD;        ide = stage.parentThatIsA(IDE_Morph),&#xD;        world = stage.parentThatIsA(WorldMorph);&#xD;&#xD;if (tf != !!tf) return;&#xD;&#xD;try{&#xD;ide.savingPreferences = false;&#xD;&#xD;switch (which) {&#xD;    case &apos;Presentation mode&apos;:&#xD;        if (tf != ide.isAppMode) ide.toggleAppMode();&#xD;        break;&#xD;    case &apos;Retina display support&apos;:&#xD;        if (tf != isRetinaEnabled()) ide.toggleRetina();&#xD;        break;&#xD;    case &apos;Long form input dialog&apos;:&#xD;        if (tf != InputSlotDialogMorph.prototype.isLaunchingExpanded)&#xD;            ide.toggleLongFormInputDialog();&#xD;        break;&#xD;    case &apos;Plain prototype labels&apos;:&#xD;        if (tf != BlockLabelPlaceHolderMorph.prototype.plainLabel)&#xD;            ide.togglePlainPrototypeLabels();&#xD;        break;&#xD;    case &apos;Input sliders&apos;:&#xD;        MorphicPreferences.useSliderForInput = tf;&#xD;        break;&#xD;    case &apos;Execute on slider change&apos;:&#xD;        ArgMorph.prototype.executeOnSliderEdit = tf;&#xD;        break;&#xD;    case &apos;Clicking sound&apos;:&#xD;        if (tf != !!BlockMorph.prototype.snapSound)&#xD;            BlockMorph.prototype.toggleSnapSound();&#xD;        break;&#xD;    case &apos;Turbo mode&apos;:&#xD;        if (tf != stage.isFastTracked)&#xD;            ide.toggleFastTracking();&#xD;        break;&#xD;    case &apos;Flat design&apos;:&#xD;        if (tf == MorphicPreferences.isFlat) break;&#xD;        if (tf)&#xD;            ide.flatDesign();&#xD;        else&#xD;            ide.defaultDesign();&#xD;        break;&#xD;    case &apos;Keyboard editing&apos;:&#xD;            ScriptsMorph.prototype.enableKeyboard = tf;&#xD;        break;&#xD;    case &apos;Table support&apos;:&#xD;            List.prototype.enableTables = tf;&#xD;        break;&#xD;    case &apos;Table lines&apos;:&#xD;                TableMorph.prototype.highContrast = tf;&#xD;        break;&#xD;    case &apos;Visible stepping&apos;:&#xD;        if (tf != Process.prototype.enableSingleStepping)&#xD;            ide.toggleSingleStepping();&#xD;        break;&#xD;    case &apos;Thread safe scripts&apos;:&#xD;        stage.isThreadSafe = tf;&#xD;        break;&#xD;    case &apos;Prefer smooth animations&apos;:&#xD;        if (tf != (StageMorph.prototype.frameRate &gt; 0))&#xD;            ide.toggleVariableFrameRate();&#xD;        break;&#xD;    case &apos;Flat line ends&apos;:&#xD;        SpriteMorph.prototype.useFlatLineEnds = tf;&#xD;        break;&#xD;    case &apos;Codification support&apos;:&#xD;        if (tf != StageMorph.prototype.enableCodeMapping) {&#xD;            StageMorph.prototype.enableCodeMapping = tf;&#xD;            ide.currentSprite.blocksCache.variables = null;&#xD;            ide.currentSprite.paletteCache.variables = null;&#xD;            ide.refreshPalette();&#xD;        }&#xD;        break;&#xD;    case &apos;Inheritance support&apos;:&#xD;        if (tf != StageMorph.prototype.enableInheritance) {&#xD;            StageMorph.prototype.enableInheritance = tf;&#xD;            ide.currentSprite.blocksCache.variables = null;&#xD;            ide.currentSprite.paletteCache.variables = null;&#xD;            ide.refreshPalette();&#xD;        }&#xD;        break;&#xD;};&#xD;}&#xD;finally {&#xD;ide.savingPreferences = false;&#xD;};&#xD;</l></block><list><block var="which"/><block var="tf"/></list></block></script></block-definition><block-definition s="draw brick, length: %&apos;length&apos; width: %&apos;width&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input></inputs><script><block s="setColor"><color>145,26,68,1</color></block><custom-block s="set flat line ends to %b"><block s="reportBoolean"><l><bool>true</bool></l></block></custom-block><block s="setSize"><block var="width"/></block><block s="down"></block><block 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