record=0027 status=open description="""In particular, no diff is shown by RegressionCheck.show_diff, for pages tbwiki.header and TestMarkupVariablesStatic. However, these are shown as errors in the Regression Check table.

I added code to hold messages. It now looks like something related to the variable. I moved this to be dynamically generated by the data_class in tbwiki_engine, but there's still some sort of problem that I can't pin down.

There are now lots of debug statements (commented out) in the RegressionCheck main procedure.""" summary=RegressionCheck shows some pages with diffs, even when no diffs are shown on diff page priority=medium assigned_to=Tim