Log Message:
Update to 1.4.3

Changelog:
 JFlex 1.4.3 (Jan 31, 2009) fixes all known bugs of 1.4.2
Fixed bug #2018299 (lookahead syntax error).
Fixed bug #2010261 (min_int in Java example scanner).
Fixed bug #2007221 (zzEOFDone not reset in yyreset(Reader)).
Fixed bug #1999301 (%type and %int at the same time should produce error message).

JFlex 1.4.2 (May 27, 2008) fixes all known bugs of 1.4.1
Implemented feature request #1212181: Now supports generics syntax for %type, \ 
%extends, etc.
Implemented feature request #1762500: Provided %ctorarg option to add arguments \ 
to constructor.
Fixed bug #1464525 (Reader.read might return 0).
Fixed bug #1968897 (Ambiguous error message in macro expansion).
Fixed bug #1832973 (Syntax error in input may cause NullPointerException).
Fixed bug #1629920 (Need to defend against path blanks in jflex bash script).
Fixed bug #1540228 (EOF actions may be ignored for same lex state).
Fixed bug #1498726 (syntax error in generated ZZ_CMAP).
Fixed bug #1282840 (lookahead and "|" actions).
Fixed bug #1164852 (yytext() longer than expected with lookahead).
Fixed bug #1065521 (OS/2 Java 1.1.8 Issues).
Fixed bug #421495 (dangerous lookahead check may fail).