Fix CodeMirror bug #2620 (One pixel wide selection appears on empty line) -

peterflynn · marijnh · commit eedd97a7f3ba · 2014-06-23T17:44:01.000+02:00
Lost negation operator when converting to new IE flags in bbefd22.
diff --git a/lib/codemirror.js b/lib/codemirror.js
@@ -7277,7 +7277,7 @@
       var test = elt("span", "\u200b");
       removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
       if (measure.firstChild.offsetHeight != 0)
-        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && (ie && ie_version < 8);
+        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
     }
     if (zwspSupported) return elt("span", "\u200b");
     else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");

Original file line number	Diff line number	Diff line change
`@@ -7277,7 +7277,7 @@`
`7277`	`7277`	`var test = elt("span", "\u200b");`
`7278`	`7278`	`removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));`
`7279`	`7279`	`if (measure.firstChild.offsetHeight != 0)`
`7280`		`- zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && (ie && ie_version < 8);`
	`7280`	`+ zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);`
`7281`	`7281`	`}`
`7282`	`7282`	`if (zwspSupported) return elt("span", "\u200b");`
`7283`	`7283`	`else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");`