fix relative paths

Author: castedo

docs/index.md

@@ -22,7 +22,7 @@ that focus on specific features of a Baseprint format.
 Snapshots vs. Successions
 -------------------------
 
-[Baseprint Document Format (BpDF)](bdf/index.md) is the
+[Baseprint Document Format (BpDF)](bpdf/index.md) is the
 digital encoding format for *Baseprint document snapshots*,
 which can be redistributed and archived through various mechanisms.
 Some preprint servers could archive Baseprint document snapshots in a centralized

docs/jats.md

@@ -5,7 +5,7 @@ JATS XML Open Dialects
 
 This page documents Free Open-Source Software (FOSS) and Open Access (OA) repositories that
 establish various *open dialects* of JATS XML.
-[Baseprint Document Format (BpDF)](bdf/index.md) establishes another JATS open dialect:
+[Baseprint Document Format (BpDF)](bpdf/index.md) establishes another JATS open dialect:
 *Baseprint JATS*, developed for self-publishing workflows using author-authored JATS XML.
 Author-authored JATS demands FOSS that supports WYPIEWYP:
 What-You-Preview-Is-Essentially-What-You-Publish.

docs/successions.md

@@ -9,7 +9,7 @@ A document succession encoded in the format
 records a succession of Baseprint document *snapshots*.
 A [Document Succession Identifier (DSI)](https://perm.pub/1wFGhvmv8XZfPx0O5Hya2e9AyXo)
 is a textual persistent identifier of a document succession.
-DSI, DSGL, and [BpDF](bdf/index.md) together encode Baseprint document successions.
+DSI, DSGL, and [BpDF](bpdf/index.md) together encode Baseprint document successions.
 
 ## Software Reading/Writing Baseprint Document Successions