lib/assets/scripts/vendor/codemirror/codemirror.js
function makeDisplay(place) {
    var d = {};
    var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none;");
    input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off");
    // Wraps and hides input textarea
    d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
    // The actual fake scrollbars.
    d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar");
    d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar");
    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
    // DIVs containing the selection and the actual code
    d.lineDiv = elt("div");
    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
    // Blinky cursor, and element used to ensure cursor fits at the end of a line
    d.cursor = elt("pre", "\u00a0", "CodeMirror-cursor");
    // Secondary cursor, shown when on a 'jump' in bi-directional text
    d.otherCursor = elt("pre", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor");
    // Used to measure text size
    d.measure = elt("div", null, "CodeMirror-measure");
    // Wraps everything that needs to exist inside the vertically-padded coordinate system
    d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor],
                         null, "position: relative; outline: none");
    // Moved around its parent to cover visible view
    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
    // Set to the height of the text, causes scrolling
    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
    // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers
    d.heightForcer = elt("div", "\u00a0", null, "position: absolute; height: " + scrollerCutOff + "px");
    // Will contain the gutters, if any
    d.gutters = elt("div", null, "CodeMirror-gutters");
    d.lineGutter = null;
    // Helper element to properly size the gutter backgrounds
    var scrollerInner = elt("div", [d.sizer, d.heightForcer, d.gutters], null, "position: relative; min-height: 100%");
    // Provides scrolling
    d.scroller = elt("div", [scrollerInner], "CodeMirror-scroll");
    d.scroller.setAttribute("tabIndex", "-1");
    // The element in which the editor lives.
    d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
                            d.scrollbarFiller, d.scroller], "CodeMirror");
    // Work around IE7 z-index bug
    if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
    if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper);

    // Needed to hide big blue blinking cursor on Mobile Safari
    if (ios) input.style.width = "0px";
    if (!webkit) d.scroller.draggable = true;
    // Needed to handle Tab key in KHTML
    if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
    else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px";

    // Current visible range (may be bigger than the view window).
    d.viewOffset = d.showingFrom = d.showingTo = d.lastSizeC = 0;

    // Used to only resize the line number gutter when necessary (when
    // the amount of lines crosses a boundary that makes its width change)
    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
    // See readInput and resetInput
    d.prevInput = "";
    // Set to true when a non-horizontal-scrolling widget is added. As
    // an optimization, widget aligning is skipped when d is false.
    d.alignWidgets = false;
    // Flag that indicates whether we currently expect input to appear
    // (after some event like 'keypress' or 'input') and are polling
    // intensively.
    d.pollingFast = false;
    // Self-resetting timeout for the poller
    d.poll = new Delayed();
    // True when a drag from the editor is active
    d.draggingText = false;

    d.cachedCharWidth = d.cachedTextHeight = null;
    d.measureLineCache = [];
    d.measureLineCachePos = 0;

    // Tracks when resetInput has punted to just putting a short
    // string instead of the (large) selection.
    d.inaccurateSelection = false;

    // Used to adjust overwrite behaviour when a paste has been
    // detected
    d.pasteIncoming = false;

    return d;
  }
function makeDisplay(place) {
    var d = {};
    var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none;");
    input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off");
    // Wraps and hides input textarea
    d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
    // The actual fake scrollbars.
    d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar");
    d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar");
    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
    // DIVs containing the selection and the actual code
    d.lineDiv = elt("div");
    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
    // Blinky cursor, and element used to ensure cursor fits at the end of a line
    d.cursor = elt("pre", "\u00a0", "CodeMirror-cursor");
    // Secondary cursor, shown when on a 'jump' in bi-directional text
    d.otherCursor = elt("pre", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor");
    // Used to measure text size
    d.measure = elt("div", null, "CodeMirror-measure");
    // Wraps everything that needs to exist inside the vertically-padded coordinate system
    d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor],
                         null, "position: relative; outline: none");
    // Moved around its parent to cover visible view
    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
    // Set to the height of the text, causes scrolling
    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
    // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers
    d.heightForcer = elt("div", "\u00a0", null, "position: absolute; height: " + scrollerCutOff + "px");
    // Will contain the gutters, if any
    d.gutters = elt("div", null, "CodeMirror-gutters");
    d.lineGutter = null;
    // Helper element to properly size the gutter backgrounds
    var scrollerInner = elt("div", [d.sizer, d.heightForcer, d.gutters], null, "position: relative; min-height: 100%");
    // Provides scrolling
    d.scroller = elt("div", [scrollerInner], "CodeMirror-scroll");
    d.scroller.setAttribute("tabIndex", "-1");
    // The element in which the editor lives.
    d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
                            d.scrollbarFiller, d.scroller], "CodeMirror");
    // Work around IE7 z-index bug
    if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
    if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper);

    // Needed to hide big blue blinking cursor on Mobile Safari
    if (ios) input.style.width = "0px";
    if (!webkit) d.scroller.draggable = true;
    // Needed to handle Tab key in KHTML
    if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
    else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px";

    // Current visible range (may be bigger than the view window).
    d.viewOffset = d.showingFrom = d.showingTo = d.lastSizeC = 0;

    // Used to only resize the line number gutter when necessary (when
    // the amount of lines crosses a boundary that makes its width change)
    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
    // See readInput and resetInput
    d.prevInput = "";
    // Set to true when a non-horizontal-scrolling widget is added. As
    // an optimization, widget aligning is skipped when d is false.
    d.alignWidgets = false;
    // Flag that indicates whether we currently expect input to appear
    // (after some event like 'keypress' or 'input') and are polling
    // intensively.
    d.pollingFast = false;
    // Self-resetting timeout for the poller
    d.poll = new Delayed();
    // True when a drag from the editor is active
    d.draggingText = false;

    d.cachedCharWidth = d.cachedTextHeight = null;
    d.measureLineCache = [];
    d.measureLineCachePos = 0;

    // Tracks when resetInput has punted to just putting a short
    // string instead of the (large) selection.
    d.inaccurateSelection = false;

    // Used to adjust overwrite behaviour when a paste has been
    // detected
    d.pasteIncoming = false;

    return d;
  }
DISPLAY CONSTRUCTOR