Advanced Help Topic Nodes
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This module is being deprecated. It functionality will be implemented in Advance Help Inject Module https://www.drupalproject.org/project/helpinject
The module allows nodes to be advanced help topics. At the moment it requires a patch of advanced help (see).
After installing it one needs edit (or create) a content type and set it to be a advanced help topic node.
The module also has a theme function for putting help icons and help topic creation icons any where one would like them.
There is a sub module advanced help topic nodes for forms which uses this function to place help topics on all forms. While I think it demonstrates the power of advanced help topic nodes, I do not think it works very well, and hopefully can be replaced.