16 lines
		
	
	
		
			528 B
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			528 B
		
	
	
	
		
			JavaScript
		
	
	
	
| CodeMirror.defineOption("showTrailingSpace", false, function(cm, val, prev) {
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|   if (prev == CodeMirror.Init) prev = false;
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|   if (prev && !val)
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|     cm.removeOverlay("trailingspace");
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|   else if (!prev && val)
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|     cm.addOverlay({
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|       token: function(stream) {
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|         for (var l = stream.string.length, i = l; i && /\s/.test(stream.string.charAt(i - 1)); --i) {}
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|         if (i > stream.pos) { stream.pos = i; return null; }
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|         stream.pos = l;
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|         return "trailingspace";
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|       },
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|       name: "trailingspace"
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|     });
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| });
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