Add missing i18n for 'go to line' prompt

Change-Id: If4f7c243f23fc809c95cf671d5b47ec978a9fdb9

extension.json

@@ -61,6 +61,8 @@
 				"codeeditor-lineWrapping-toggle",
 				"codeeditor-searchReplace-toggle",
 				"codeeditor-gotoline",
+				"codeeditor-gotoline-placeholder",
+				"codeeditor-gotoline-prompt",
 				"codeeditor-indent",
 				"codeeditor-outdent"
 			],

i18n/en.json

@@ -13,6 +13,8 @@
 	"codeeditor-lineWrapping-toggle": "Toggle line wrapping",
 	"codeeditor-searchReplace-toggle": "Toggle search and replace dialog",
 	"codeeditor-gotoline": "Go to line number...",
+	"codeeditor-gotoline-placeholder": "line[:column]",
+	"codeeditor-gotoline-prompt": "Enter a line number",
 	"codeeditor-indent": "Indent",
 	"codeeditor-outdent": "Outdent"
 }

i18n/qqq.json

@@ -16,6 +16,8 @@
 	"codeeditor-lineWrapping-toggle": "Used as label for toolbar button to enable/disable wrapping of long lines on the screen (this doesn’t modify the saved text).",
 	"codeeditor-searchReplace-toggle": "Used as label for toolbar button to show/hide the search and replace dialog",
 	"codeeditor-gotoline": "Used as a label for toolbar button to navigate to a line number in the editor",
+	"codeeditor-gotoline-placeholder": "Placeholder for goto line prompt's input",
+	"codeeditor-gotoline-prompt": "Label for goto line prompt",
 	"codeeditor-indent": "Used as a label for toolbar button to indent text in the editor",
 	"codeeditor-outdent": "Used as a label for toolbar button to outdent text in the editor"
 }

modules/jquery.codeEditor.js

@@ -118,7 +118,7 @@
 				);
 			},
 			aceGotoLineColumn: function () {
-				var lineinput = prompt( 'Enter line number:', 'line:column' ),
+				var lineinput = prompt( mw.msg( 'codeeditor-gotoline-prompt' ), mw.msg( 'codeeditor-gotoline-placeholder' ) ),
 					matches = lineinput ? lineinput.split( ':' ) : [],
 					line = 0,
 					column = 0;