Adds additional escapes to string attributes #470
Merged
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In our original Markdoc spec, we intended to support
\n
,\r
, and\t
as valid escape characters, but we never actually got around to adding these in the parser. This PR adds proper support for them in the pegjs grammar and adds a marktest case to verify that the implementation behaves correctly.This addresses the issue reported by @emmatown in #468.
Closes #468