Update CodeMirror dep to v5.42.2

Affects Code and Markdown section types

gui/public/codemirror/mode/clike/index.html

@@ -12,7 +12,7 @@
 <script src="clike.js"></script>
 <style>.CodeMirror {border: 2px inset #dee;}</style>
 <div id=nav>
-  <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
+  <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
 
   <ul>
     <li><a href="../../index.html">Home</a>
@@ -147,16 +147,36 @@ This is a longer comment
 That spans two lines
 */
 
-#import <Test/Test.h>
+#import "MyClass.h"
+#import <AFramework/AFrameork.h>
+@import BFrameworkModule;
+
+NS_ENUM(SomeValues) {
+  aValue = 1;
+};
+
+// A Class Extension with some properties
+@interface MyClass ()<AProtocol>
+@property(atomic, readwrite, assign) NSInteger anInt;
+@property(nonatomic, strong, nullable) NSString *aString;
+@end
+
 @implementation YourAppDelegate
 
-// This is a one-line comment
-
-- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{
-  char myString[] = "This is a C character array";
-  int test = 5;
-  return YES;
+- (instancetype)initWithString:(NSString *)aStringVar {
+  if ((self = [super init])) {
+    aString = aStringVar;
+  }
+  return self;
 }
+
+- (BOOL)doSomething:(float)progress {
+  NSString *myString = @"This is a ObjC string %f ";
+  myString = [[NSString stringWithFormat:myString, progress] stringByAppendingString:self.aString];
+  return myString.length > 100 ? NO : YES;
+}
+
+@end
 </textarea></div>
 
 <h2>Java example</h2>