The overview had been restructured around a named three-layer model —
user, developer, filesystem — that was never part of the design. The
underlying point stands: a reader must be able to tell whether a given
statement applies to them, and a code-level symbol must never appear in
prose without saying whose vantage point it belongs to.
Sections are now named for the reader they address rather than for a
tier: "Running the dpm binary", "Writing a program against libdpm-core",
"What DPM reads and writes on disk". The remaining uses of "layer" are
the capability-growth layers the design already defines.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Christopher M. Punches
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