/// return true if a unicode char is a numeral.
bool isNumber(char_type c);
-/// return true is a unicode char uses a right-to-left direction for layout
-bool isRTL(char_type c);
-
/// return whether \p c is a digit in the ASCII range
bool isDigitASCII(char_type c);
/// return whether \p c is in the ASCII range
bool isASCII(char_type c);
+/// return whether \p c is in the 'Punctuation, Open' unicode category
+bool isOpenPunctuation(char_type c);
+
} // namespace lyx
#endif // TEXTUTILS_H