Please help me fix my .htaccess file to work on Apache 2

Apache 1.x "Action Throw" function no longer working on Apache 2

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I want some of you to fix my mod-rewrite problem.

My mod rewrite is working very well on Apache 1.x but it is not working on Apache 2.x

My .htaccess

Action auto /autom/index.php

<FilesMatch "^(auto)">
ForceType auto
</FilesMatch>

<IfModule mod_php4.c>
php_value session.use_trans_sid 0
</IfModule>

Hints : I am using "Action Throw" function. I was told that I have to do something with AcceptPathInfo on in Apache 2.x server, but I really don't know how to do it.