diff --git a/cgi.d b/cgi.d
index 24baf87..e76cf47 100644
--- a/cgi.d
+++ b/cgi.d
@@ -1764,8 +1764,8 @@ version(fastcgi) {
 /* Helpers for doing temporary files. Used both here and in web.d */
 
 version(Windows) {
-	import core.sys.windows;
-	extern(Windows) DWORD GetTempPathW(DWORD, LPTSTR);
+	import core.sys.windows.windows;
+	extern(Windows) DWORD GetTempPathW(DWORD, LPWSTR);
 	alias GetTempPathW GetTempPath;
 }
 
diff --git a/characterencodings.d b/characterencodings.d
index c3a69f2..8824883 100644
--- a/characterencodings.d
+++ b/characterencodings.d
@@ -53,7 +53,6 @@ string convertToUtf8(immutable(ubyte)[] data, string dataCharacterEncoding) {
 	switch(encoding) {
 		default:
 			throw new Exception("I don't know how to convert " ~ dataCharacterEncoding ~ " to UTF-8");
-		break;
 		// since the input is immutable, these are ok too.
 		// just want to cover all the bases with one runtime function.
 		case "utf16":
diff --git a/dom.d b/dom.d
index 0305d72..3e7550d 100644
--- a/dom.d
+++ b/dom.d
@@ -1754,7 +1754,7 @@ class DocumentFragment : Element {
 	}
 
 	///.
-	string writeToAppender(Appender!string where = appender!string()) const {
+	override string writeToAppender(Appender!string where = appender!string()) const {
 		return this.innerHTML(where);
 	}
 }
@@ -1967,7 +1967,7 @@ class RawSource : Element {
 	}
 
 	///.
-	string writeToAppender(Appender!string where = appender!string()) const {
+	override string writeToAppender(Appender!string where = appender!string()) const {
 		where.put(source);
 		return source;
 	}
@@ -4402,7 +4402,7 @@ class CssStyle {
 			case "outline-left":
 			case "outline-right":
 
-			default: ;
+			default: {}
 		}
 	}