fixed typos, brought back LED to blink

Author: ficeto

libraries/ESP8266WebServer/examples/HelloServer/HelloServer.ino

@@ -6,14 +6,18 @@
 const char* ssid = "........";
 const char* password = "........";
 MDNSResponder mdns;
-
 ESP8266WebServer server(80);
 
+const int led = 13;
+
 void handle_root() {
+  digitalWrite(led, 1);
   server.send(200, "text/plain", "hello from esp8266!");
+  digitalWrite(led, 0);
 }
 
 bool handle_not_found(){
+  digitalWrite(led, 1);
   String message = "URI: ";
   message += server.uri();
   message += "\nMethod: ";
@@ -26,11 +30,14 @@ bool handle_not_found(){
   }
   message += "\nNotFound!";
   server.send(404, "text/plain", message);
+  digitalWrite(led, 0);
   return true;
 }
 
 void setup(void){
   Serial.begin(115200);
+  pinMode(led, OUTPUT);
+  digitalWrite(led, 0);
   WiFi.begin(ssid, password);
   Serial.println("");
 

libraries/ESP8266WebServer/src/ESP8266WebServer.h

@@ -42,15 +42,16 @@ class ESP8266WebServer
 	typedef std::function<bool(void)> TNotFoundHandlerFunction;
 	void on(const char* uri, THandlerFunction handler);
 	void on(const char* uri, HTTPMethod method, THandlerFunction fn);
-	void onNotFound(TNotFoundHandlerFunction fn);//called when handler is not assigned
+  //called when handler is not assigned, return true if you handle it else return false to let the class return 404
+	void onNotFound(TNotFoundHandlerFunction fn);
 
 	String uri() { return _currentUri; }
 	HTTPMethod method() { return _currentMethod; }
 	WiFiClient client() { return _currentClient; }
 
 	String arg(const char* name);// get request argument value
-	String arg(int i);// get request argument value buy number
-	String argName(int i);// get request argument name buy number
+	String arg(int i);// get request argument value by number
+	String argName(int i);// get request argument name by number
   int args();//get arguments count
   bool hasArg(const char* name);//check if argument exists