Hi,
when working on the embedded Scheme stuff I got a nasty surprise working
with cloned lexers/parsers.
They start out with the error flag of their source.
That's stupid, since it means that they can't complete successfully
without explicitly clearing their respective error flags.
I got hit by this since tests complained about every single #{ ... #}
expression when a version error in the main file set the error flag
right at the start of the run.
As we don't clone the parsers for fun (or continuation), I suggest
starting the clones with reset error state right in the copy
constructor.
If I don't encounter sufficient resistance, I'll likely push a change
like that to dev/staging tomorrow.
--
David Kastrup
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