/// Escape all given character in the text
OString escapeAll(
std::string_view rText, std::string_view rUnEscaped, std::string_view rEscaped ); /// Unescape all given character in the text
OString unEscapeAll(
std::string_view rText, std::string_view rEscaped, std::string_view rUnEscaped );
/// Convert special characters to XML entity references
OString QuotHTML( std::string_view rString ); /// Convert XML entity references to single characters
OString UnQuotHTML( std::string_view rString );
/// Check whether text is a valid XML expression bool isWellFormedXML( std::string_view text );