[bug-gawk] pretty-print eats header comments

[Hermann Peifer]

Hi again.

Arnold wrote the other day about excising remaining problems of the 
pretty printer. Here is what I just found: header comments are gone in 
cases where the BEGIN rule starts with a comment (see test1.awk) whereas 
they are kept in the test2.awk example.

Hermann

==> test1.awk <==

$ cat test1.awk
# Some
# comments
# here
#
BEGIN { # Field separator
        FS = "\t"
}

$ awk -o/dev/stdout -f test1.awk
# Field separator
BEGIN {
        FS = "\t"
}

==> test2.awk <==

$ cat test2.awk
# Some
# comments
# here
#
BEGIN {
        FS = "\t" # Field separator
}

$ awk -o/dev/stdout -f test2.awk
# Some
# comments
# here
#
BEGIN {
        FS = "\t"
        # Field separator
}