FreeBSD Port: bison-1.75_2

[Gian-Carlo Baldarelli]

Fbsd 4.9 
Bison 

Error:

...
makeinfo --no-split   -I .  `test -f 'bison.texinfo' || echo
'./'`bison.texinfo -o bison.info
bison.texinfo:37: Unknown command `copying'.
bison.texinfo:58: Unmatched `@end'.
bison.texinfo:93: Unknown command `insertcopying'.
makeinfo: Removing output file `bison.info' due to errors; use --force to
preserve.
*** Error code 2

Stop in /usr/ports/devel/bison/work/bison-1.75/doc.
*** Error code 1

Stop in /usr/ports/devel/bison/work/bison-1.75.
*** Error code 1

Stop in /usr/ports/devel/bison/work/bison-1.75.
*** Error code 1

Stop in /usr/ports/devel/bison.