tree f4df7ada79d7de761fd5593a3ba39399a5bea467
parent ec78c8ac9be2ae3ef50f3c0d67c3220bc1821412
author Sam Xi <slxi1202@gmail.com> 1617748550 -0700
committer GitHub <noreply@github.com> 1617748550 -0700
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Parse numeric labels with a zero-value if units are specified. (#619)

By default, a numeric label with a value of zero is interpreted as an
empty label which will be ignored during parsing. However, a zero value
can be a valid label value. Instead of ignoring it altogether, parse it
as a zero-valued numeric label if num_unit is set.