Anchor regex meta-rules.
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@ -58,6 +58,8 @@ improvements.
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`-p=1` if this is the case.
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1. Use Go regular expressions, which are perl-like. The original mk used plan9
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regex, which few people know or care to learn.
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1. Regex matches are substituted into rule prerequisites with `$stem1`,
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`$stem2`, etc, rather than `\1`, `\2`, etc.
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1. Allow blank lines in recipes. A recipe is any indented block of text, and
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continues until a non-indented character or the end of the file. (Similar
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to blocks in Python.)
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