$$ perl -Mblib=CGI.pm-2.56 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.56/blib
<FORM METHOD="POST"  ENCTYPE="application/x-www-form-urlencoded">
2.56 at -e line 1.

$$ perl -Mblib=CGI.pm-2.81 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.81/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.81 at -e line 1.

$$ perl -Mblib=CGI.pm-2.84 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.84/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.84 at -e line 1.

$$ perl -Mblib=CGI.pm-2.85 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.85/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.85 at -e line 1.

$$ perl -Mblib=CGI.pm-2.86 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.86/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.86 at -e line 1.

$$ perl -Mblib=CGI.pm-2.90 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.90/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.90 at -e line 1.

$$ perl -Mblib=CGI.pm-2.91 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.91/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.91 at -e line 1.

$$ perl -Mblib=CGI.pm-2.92 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.92/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.92 at -e line 1.

$$ perl -Mblib=CGI.pm-2.93 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.93/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.93 at -e line 1.

$$ perl -Mblib=CGI.pm-2.94 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.94/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.94 at -e line 1.

$$ perl -Mblib=CGI.pm-2.95 -MCGI -e"warn CGI->start_form();die CGI->version"
CGI.pm-2.95 is not a directory
BEGIN failed--compilation aborted.

$$ perl -Mblib=CGI.pm-2.97 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.97/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.97 at -e line 1.

$$ perl -Mblib=CGI.pm-2.98 -MCGI -e"warn CGI->start_form();die CGI->version"
Using CGI.pm-2.98/blib
<form method="post" action="/-e" enctype="application/x-www-form-urlencoded">
2.98 at -e line 1.

$$ perl -MCGI -e"warn CGI->start_form();die CGI->version"
<form method="post" action="%2F-e" enctype="application/x-www-form-urlencoded">
2.99 at -e line 1.