I appreciate the link. I read that just a few days back while working on this, but I feel I have more fully grasped it this time. It appears to indicate that each codepoint, or range, should terminate with a newline character--something that my present code is not doing and which your revision does.

However, when I replaced my code with yours, it effected no change--the second test still fails. Is this mysterious? or can it be rationally explained?

As I said, I seem rather "gifted"....

Blessings,

~Polyglot~

In reply to Re^3: Listing out the characters included in a character class by Polyglot
in thread Listing out the characters included in a character class by Polyglot

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