import re

with open ("ChangeLog", "r") as f:
    with open ("ChangeLog.multiboot", "w") as fw:
        entry = ""
        for line in f:
            if re.match ("(199|200)[0-9]", line) :
                if re.search ("\* (docs/boot.S|docs/help2man|docs/kernel.c|docs/Makefile.am|docs/multiboot.h|docs/multiboot.texi|docs/src2texi|AUTHORS|autogen.sh|configure.ac|COPYING|INSTALL|Makefile.am|NEWS|README)", entry):
                    fw.write (entry)
                entry = ""
            entry = entry + line