Question: User Authorizations - Joomla! Forum - community, help and support

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i hope in right forum this, , if not, hope can moved right forum..

i'm relatively new joomla, installing web system that's directed more towards shared-documentation aspect. looking way control user authorizations editting specific items in specific categories.

the site have articles in specific categories, , want users able edit "their" assigned categories , not categories.

does know how can done? there available extension it?

if available in core joomla, didn't find it, , appreciate help.

thank in advance,

~moo






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