Der Header kommt auch beim Apache 1.3.37 Error-Log immer als Vorspann.
Und an dessen Logformat habe ich nichts umgestellt.
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] Premature end of script headers: x:/wwwroot/users/test/web/wlog.pl
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] Undefined subroutine &main::war called at x:\\wwwroot\\users\\test\\web\\wlog.pl\n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] \tline 8 (#1)\n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] (F) The subroutine indicated hasn't been defined, or if it was, it has\n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] since been undefined.\n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] \n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] Uncaught exception from user code:\n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] \tUndefined subroutine &main::war called at x:\\wwwroot\\users\\test\\web\\wlog.pl line 8.\n
[Wed Jul 16 14:14:01 2008] [error] [client 192.168.0.33] at x:\\wwwroot\\users\\test\\web\\wlog.pl line 8\n
[Wed Jul 16 14:14:24 2008] [error] [client 192.168.0.33] Premature end of script headers: x:/wwwroot/users/test/web/wlog.pl
[Wed Jul 16 14:14:24 2008] [error] [client 192.168.0.33] Undefined subroutine &main::war called at x:\\wwwroot\\users\\test\\web\\wlog.pl line 8.\n