[bug #65359] submake might will lose variable values if their names contain special char

[Paul D. Smith]

Update of bug#65359 (group make):

              Item Group:                     Bug => Documentation          

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Follow-up Comment #7:

The manual says:

+quote+
When using export by itself or .EXPORT_ALL_VARIABLES to export variables by
default, only variables whose names consist solely of alphanumerics and
underscores will be exported. To export other variables you must specifically
mention them in an export directive.
-quote-

I suppose we can add an extra admonishment saying that some shells will strip
out environment variables with "special" names and so the only portable way to
provide environment variables is with standard names.

There's nothing make itself can do about this obviously.


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