fix #1908

src/core/StringBuilder.hpp

@@ -41,13 +41,27 @@ public:
 	 */
 	void Append(const utf8 *text) {
 		int textLength = strlen(text);
+		Append(text, textLength);
+	}
 
+	/**
+	 * Appends the given string of the given length to the current string. Essentially used to ignore null terminators or copy
+	 * the data faster as the length is already known.
+	 */
+	void Append(const utf8 *text, int textLength) {
 		EnsureCapacity(_length + textLength + 1);
 		Memory::Copy(_buffer + _length, text, textLength);
 		_length += textLength;
 		_buffer[_length] = 0;
 	}
 
+	/**
+	 * Appends the string of a given StringBuilder to the current string.
+	 */
+	void Append(const StringBuilder *sb) {
+		Append(sb->GetBuffer(), sb->GetLength());
+	}
+
 	/**
 	 * Clears the current string, but preserves the allocated memory for another string.
 	 */

src/localisation/LanguagePack.cpp

@@ -445,7 +445,7 @@ void LanguagePack::ParseString(IStringReader *reader)
 		}
 	}
 
-	_stringDataSB.Append(sb.GetBuffer());
+	_stringDataSB.Append(&sb);
 }
 
 bool LanguagePack::ParseToken(IStringReader *reader, uint32 *token)
@@ -469,5 +469,14 @@ bool LanguagePack::ParseToken(IStringReader *reader, uint32 *token)
 
 	const utf8 *tokenName = sb.GetBuffer();
 	*token = format_get_code(tokenName);
+
+	// Handle explicit byte values
+	if (*token == 0) {
+		int number;
+		if (sscanf(tokenName, "%d", &number) == 1) {
+			*token = Math::Clamp(0, number, 255);
+		}
+	}
+
 	return true;
 }