question: protected void markFirstTime ( Element elem ) { String elemName = elem . getName ( ) ; if ( elemName . equals ( "html" ) ) { seenHtml = true ; } else if ( elemName . equals ( "head" ) ) { seenHead = true ; } else if ( elemName . equals ( "body" ) ) { if ( buf . length == 1 ) { char [ ] newBuf = new char [ 256 ] ; newBuf [ 0 ] = buf [ 0 ] ; buf = newBuf ; } seenBody = true ; } }
target:  Marks the first time a tag has been seen in a document