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Should John von PhD Jones start a credential run as John von und zu PhD Jones does? #627

Description

@derek73

#602's run starts at a credential with two name words in front of it, and "a lone particle is not a name word for the count" (rules.md#S2). The test is len(piece) == 1 and "particle" in tags, so a P3-joined particle phrase (von und zu, one piece of three tokens, tagged prefix) is no lone particle and counts:

Input Today
John von PhD Jones given 'John', middle 'von PhD', family 'Jones' (no run)
John von und zu PhD Jones given 'John', family 'von und zu', suffix 'PhD Jones'
Berg von und zu PhD Jones Smith given 'Berg', family 'von und zu', suffix 'PhD Jones Smith'

The two disagree about whether a particle with nothing after it is a name word. Question: should the joined phrase count as the lone particle does (use is_prefix_piece's definition), or should a lone particle before a credential count as the family it then becomes? Either one moves readings; measure on the S2 grid.

Activity

  1. self-assigned this
    on Oct 10, 2026
  2. added 3 commits that reference this issue on Oct 10, 2026
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