naming conventions

This http://drupal.org/node/1603204 document on drupal.org sounds more like a guideline while developing custom modules for personal use or using the UI to create entities.

When i asked about entity naming convention in #drupal-contribute, xano told me that everything ( entity machine name ) should be prefixed with module name.

While checking a project application, it was found that it used "watchdog" as an entity name. Should it be allowed?

Should

1. Is it a must that "Machine name of every entity declared by a module should be prefixed with the module name." ? Or,

Sorry post got created twice. If somebody could delete thise. Please do.

Link to the other post is below.

http://groups.drupal.org/node/293813

What kind of standards is needed to make features as compatible as possible:
- module based
- naming conventions
- ???

The usual suspects:
- Strongarm
- Roles
- Permissions
- Text Format
- Content Types
- Taxonomy

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