Removed the (unused) 'required' flag from simple keys (the parser should take…

Removed the (unused) 'required' flag from simple keys (the parser should take care of this, not the scanner).

scanner.h

@@ -45,7 +45,6 @@ namespace YAML
 			void Invalidate();
 
 			int pos, line, column, flowLevel;
-			bool required;
 			Token *pMapStart, *pKey;
 		};
 

simplekey.cpp

@@ -6,7 +6,7 @@
 namespace YAML
 {
 	Scanner::SimpleKey::SimpleKey(int pos_, int line_, int column_, int flowLevel_)
-		: pos(pos_), line(line_), column(column_), flowLevel(flowLevel_), required(false), pMapStart(0), pKey(0)
+		: pos(pos_), line(line_), column(column_), flowLevel(flowLevel_), pMapStart(0), pKey(0)
 	{
 	}
 
@@ -20,9 +20,6 @@ namespace YAML
 
 	void Scanner::SimpleKey::Invalidate()
 	{
-		if(required)
-			throw ParserException(line, column, "required simple key not found");
-
 		if(pMapStart)
 			pMapStart->status = TS_INVALID;
 		if(pKey)
@@ -40,8 +37,6 @@ namespace YAML
 		key.pMapStart = PushIndentTo(INPUT.column, false);
 		if(key.pMapStart)
 			key.pMapStart->status = TS_UNVERIFIED;
-//		else
-//			key.required = true;	// TODO: is this correct?
 
 		// then add the (now unverified) key
 		key.pKey = new Token(TT_KEY, INPUT.line, INPUT.column);

yaml-reader.vcproj

@@ -330,6 +330,22 @@
 			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
 			>
 			<File
+				RelativePath=".\tests\directives.yaml"
+				>
+			</File>
+			<File
+				RelativePath=".\tests\mixed.yaml"
+				>
+			</File>
+			<File
+				RelativePath=".\tests\scalars.yaml"
+				>
+			</File>
+			<File
+				RelativePath=".\tests\simple.yaml"
+				>
+			</File>
+			<File
 				RelativePath=".\test.yaml"
 				>
 			</File>