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							- // CodeMirror, copyright (c) by Marijn Haverbeke and others
 
- // Distributed under an MIT license: https://codemirror.net/LICENSE
 
- // Utility function that allows modes to be combined. The mode given
 
- // as the base argument takes care of most of the normal mode
 
- // functionality, but a second (typically simple) mode is used, which
 
- // can override the style of text. Both modes get to parse all of the
 
- // text, but when both assign a non-null style to a piece of code, the
 
- // overlay wins, unless the combine argument was true and not overridden,
 
- // or state.overlay.combineTokens was true, in which case the styles are
 
- // combined.
 
- (function(mod) {
 
-   if (typeof exports == "object" && typeof module == "object") // CommonJS
 
-     mod(require("../../lib/codemirror"));
 
-   else if (typeof define == "function" && define.amd) // AMD
 
-     define(["../../lib/codemirror"], mod);
 
-   else // Plain browser env
 
-     mod(CodeMirror);
 
- })(function(CodeMirror) {
 
- "use strict";
 
- CodeMirror.overlayMode = function(base, overlay, combine) {
 
-   return {
 
-     startState: function() {
 
-       return {
 
-         base: CodeMirror.startState(base),
 
-         overlay: CodeMirror.startState(overlay),
 
-         basePos: 0, baseCur: null,
 
-         overlayPos: 0, overlayCur: null,
 
-         streamSeen: null
 
-       };
 
-     },
 
-     copyState: function(state) {
 
-       return {
 
-         base: CodeMirror.copyState(base, state.base),
 
-         overlay: CodeMirror.copyState(overlay, state.overlay),
 
-         basePos: state.basePos, baseCur: null,
 
-         overlayPos: state.overlayPos, overlayCur: null
 
-       };
 
-     },
 
-     token: function(stream, state) {
 
-       if (stream != state.streamSeen ||
 
-           Math.min(state.basePos, state.overlayPos) < stream.start) {
 
-         state.streamSeen = stream;
 
-         state.basePos = state.overlayPos = stream.start;
 
-       }
 
-       if (stream.start == state.basePos) {
 
-         state.baseCur = base.token(stream, state.base);
 
-         state.basePos = stream.pos;
 
-       }
 
-       if (stream.start == state.overlayPos) {
 
-         stream.pos = stream.start;
 
-         state.overlayCur = overlay.token(stream, state.overlay);
 
-         state.overlayPos = stream.pos;
 
-       }
 
-       stream.pos = Math.min(state.basePos, state.overlayPos);
 
-       // state.overlay.combineTokens always takes precedence over combine,
 
-       // unless set to null
 
-       if (state.overlayCur == null) return state.baseCur;
 
-       else if (state.baseCur != null &&
 
-                state.overlay.combineTokens ||
 
-                combine && state.overlay.combineTokens == null)
 
-         return state.baseCur + " " + state.overlayCur;
 
-       else return state.overlayCur;
 
-     },
 
-     indent: base.indent && function(state, textAfter, line) {
 
-       return base.indent(state.base, textAfter, line);
 
-     },
 
-     electricChars: base.electricChars,
 
-     innerMode: function(state) { return {state: state.base, mode: base}; },
 
-     blankLine: function(state) {
 
-       var baseToken, overlayToken;
 
-       if (base.blankLine) baseToken = base.blankLine(state.base);
 
-       if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay);
 
-       return overlayToken == null ?
 
-         baseToken :
 
-         (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken);
 
-     }
 
-   };
 
- };
 
- });
 
 
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