v1.0.1

1.0.1 - 2026-02-22

• TAG: v1.0.1
• COVERAGE: 98.13% -- 263/268 lines in 10 files
• BRANCH COVERAGE: 91.18% -- 62/68 branches in 10 files
• 96.77% documented

Added

• Config#segment_pattern option — a parslet character class constraining which characters
  are valid inside token segments (default: "[A-Za-z0-9_]"). This prevents false positive
  token matches against Ruby block parameters ({ |x| expr }), shell variable expansion
  (${VAR:+val}), and other syntax that structurally resembles tokens but contains spaces
  or punctuation in the "segments".
• Resolve#resolve now validates replacement keys against the config's segment_pattern and
  raises ArgumentError if a key contains characters that the grammar would never parse.

Fixed

• False positive token matches — the grammar previously used any (match any character)
  for segment content, which allowed spaces, operators, and punctuation inside token segments.
  This caused Ruby block syntax like { |fp| File.exist?(fp) } and shell expansion like
  ${CLASSPATH:+:$CLASSPATH} to be incorrectly parsed as tokens. With multi-separator configs
  (["|", ":"]), the second | was reconstructed as : during on_missing: :keep
  roundtripping, silently corrupting source files. The grammar now uses
  match(segment_pattern) instead of any, limiting segments to word characters by default.

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