[m-rev.] for post-commit review: --limit-error-contexts

[Zoltan Somogyi]

I found the need for this when working on rewriting modules.m
for the new item structure.

The diff itself is quite straightforward. The question I would like
feedback on is: do people think this is a generally useful option
that should be documented for use by non-developers?

Zoltan.
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