[issue2551347] _generic.help.html doesn't work if property is not defined (read only/info use)

New submission from John Rouillard:

The classhelper on issues.roundup-tracker.org is used to provide additional info
about selections. E.G. when clicking on an item's components label, you get a description of the components. E.G.

  id 	name 	description
  1 	None 	
  7 	Documentation 	Issues with documentation
  2 	Installation 	Issues with setup.py, pip install issues

this use of classhelper appears to be unique to the issues.roundup-tracker.org tracker.

Modify _generic.help.html to allow this use case.

Partial patch attached it needs to be applied to html/_generic.help.html. Because of how it
was generated it can't be applied by patch directly as the filenames are messed up.

----------
assignee: rouilj
components: Web interface
files: class_help_info_usecase.diff
keywords: patch, patch
messages: 8029
nosy: rouilj
priority: normal
severity: normal
status: new
title: _generic.help.html doesn't work if property is not defined (read only/info use)
type: behavior

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