... still have difficulty on line ending at end of sequences, consequence of doing a line based diff . rcstext ::= admin {delta}* desc {deltatext}* admin ::= head {num}; { branch {num}; } access {id}*; symbols {sym : num}*; locks {id : num}*; {strict ;} { comment {string}; } { expand {string}; } { newphrase }* delta ::= num date num; author id; state {id}; branches {num}*; next {num}; { newphrase }* desc ::= desc string deltatext ::= num log string { newphrase }* text string num ::= {digit | ... num | ...