Permission Break in SharePoint 2007 & Read permission person is not able to see documents

If you have child site and user with read permission is not able to see documents in child site 

Issue: 

1) You have a parent site
2) You have created a new site collection under it (Child Site collection)
3) You have Broken the permission on child site
4) When any users with the read permission is coming on your document library in Child site
5) User is not able to see see the documents [he is able to see only folder]

Solution:

1) Go to SharePoint documemt library settings
2) Go to Version Settings
3) There are two options are given

• Any user who can read items
• Only user who can edit items.

4) Please select 'Any user who can read items'

5) Press Ok & you are done.