1.7.1 : search inside more returns "Regular expression botch"

[Fabrice PLATEL]

While I am viewing a file with the "more" utility, if I want to search 
any expression inside the file by typing "/" then the expression, it 
doesn't search and just displays the message "Regular expression botch".
Am I the only one having this behaviour ? What does it mean ?? how to 
fix it ?
Fabrice

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