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Ticket #302 (new defect)

Opened 4 months ago

PyYAML shouldn't disallow duplicate anchors

Reported by: abstract_industry@… Owned by: xi
Priority: normal Component: pyyaml
Severity: minor Keywords:
Cc:

Description

From 3.2.2.2 of the YAML specification it is stated that anchors are not required to be unique. So far I haven't been able to figure out why this ability is blocked in PyYAML. Removing the error checking code for this section seems to make it function as expected against the spec.

It's expected that a duplicated anchor overwrites the previous instance thereby each new reference is the value of the last anchor specified.

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