Revert "Don't add 'delimited=length' to self.parameters"
Revert "Don't add 'delimited=length' to self.parameters"

This reverts commit 4374ec2f0b5030a3d234d8ee3d60e559e2ef3910.
Until I figure out what's going on with 'delimited=length', I'm going to
leave things as-is.

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