Kane York ec537e5ea2 FIX: Do not interpret backreferences in email content
This changes from providing a string literal for the #sub replacement, to providing a block.
Because the block is provided the match object, it is presumed to have already performed all necessary backreferences.
This avoids any replacement of backreferences in the message body.
2021-07-08 15:56:09 -07:00
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