Hi all, <br><br>In BOOST_BUILD_PATH/kernel/class.jam<br><br><br>06: # Polymorphic class system built on top of core Jam facilities. <br>07: #<br>08: # Classes are defined by &#39;class&#39; keywords::<br>09: #<br>10: #&nbsp;&nbsp;&nbsp;&nbsp; class myclass ( arg1 )<br>
11: #&nbsp;&nbsp;&nbsp;&nbsp; {<br>12: #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rule __init__ ( )&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # constructor<br>13: #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {<br>14: #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.attribute = $(arg1) ;<br><br>line 10 is wrong, I change the comments to<br><br>10: #&nbsp;&nbsp;&nbsp;&nbsp; class myclass<br>

11: #&nbsp;&nbsp;&nbsp;&nbsp; {<br>
12: #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rule __init__ ( arg1 )&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # constructor<br><br><br>&nbsp; Best regards,<br>
 &nbsp; &nbsp; Rick Yang<br><br>