<!-- include start from generic-username.xml.i --> <leafNode name="username"> <properties> <help>Username used for authentication</help> <valueHelp> <format>txt</format> <description>Username</description> </valueHelp> <constraint> <regex>[[:ascii:]]{1,128}</regex> </constraint> <constraintErrorMessage>Username is limited to ASCII characters only, with a total length of 128</constraintErrorMessage> </properties> </leafNode> <!-- include end -->