more robust pattern: look at longer matches first, added catch-all case; more private fields; reworked Recoder: more direct char/string operations, avoids inefficiency of large alternatives (java.util.regex does not optimize regexps);
more robust pattern: look at longer matches first, added catch-all case;
more private fields;
reworked Recoder: more direct char/string operations, avoids inefficiency of large alternatives (java.util.regex does not optimize regexps);

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