Setting smalltalk mode explicitly.

Even if it is selected by default as only one loaded.

js/IDE.js

@@ -945,16 +945,17 @@ fn: function (aTextarea){
 var self=this;
 self['@editor'] = CodeMirror.fromTextArea(aTextarea, {
 		theme: 'default',
-				lineNumbers: true,
-				enterMode: 'flat',
-				indentWithTabs: true,
-				indentUnit: 4,
-				matchBrackets: true,
-				electricChars: false
+		mode: 'text/x-stsrc',
+		lineNumbers: true,
+		enterMode: 'flat',
+		indentWithTabs: true,
+		indentUnit: 4,
+		matchBrackets: true,
+		electricChars: false
 	});
 return self},
 args: ["aTextarea"],
-source: "setEditorOn: aTextarea\x0a\x09<self['@editor'] = CodeMirror.fromTextArea(aTextarea, {\x0a\x09\x09theme: 'default',\x0a\x09\x09\x09\x09lineNumbers: true,\x0a\x09\x09\x09\x09enterMode: 'flat',\x0a\x09\x09\x09\x09indentWithTabs: true,\x0a\x09\x09\x09\x09indentUnit: 4,\x0a\x09\x09\x09\x09matchBrackets: true,\x0a\x09\x09\x09\x09electricChars: false\x0a\x09})>",
+source: "setEditorOn: aTextarea\x0a\x09<self['@editor'] = CodeMirror.fromTextArea(aTextarea, {\x0a\x09\x09theme: 'default',\x0a\x09\x09mode: 'text/x-stsrc',\x0a\x09\x09lineNumbers: true,\x0a\x09\x09enterMode: 'flat',\x0a\x09\x09indentWithTabs: true,\x0a\x09\x09indentUnit: 4,\x0a\x09\x09matchBrackets: true,\x0a\x09\x09electricChars: false\x0a\x09})>",
 messageSends: [],
 referencedClasses: []
 }),

st/IDE.st

@@ -211,12 +211,13 @@ selection
 setEditorOn: aTextarea
 	<self['@editor'] = CodeMirror.fromTextArea(aTextarea, {
 		theme: 'default',
-				lineNumbers: true,
-				enterMode: 'flat',
-				indentWithTabs: true,
-				indentUnit: 4,
-				matchBrackets: true,
-				electricChars: false
+		mode: 'text/x-stsrc',
+		lineNumbers: true,
+		enterMode: 'flat',
+		indentWithTabs: true,
+		indentUnit: 4,
+		matchBrackets: true,
+		electricChars: false
 	})>
 !