ronaldtse · Nov 3, 2026 · Nov 2, 2026
diff --git a/scripts/validate-register.rb b/scripts/validate-register.rb
@@ -94,6 +94,50 @@
   end
 end
 
+# ---- pass 2b: bibliography markup (renders empty when malformed) -------------
+# Metanorma drops bibliography entries without a [[[id,text]]] anchor and
+# renders only the first anchor of a multi-anchor entry, so a malformed
+# section silently produces an empty trailing "Bibliography" heading.
+ROOTS.each do |root|
+  key = root
+  all_dirs[root].each do |d|
+    name = File.basename(d)
+    next if FROZEN_V1.include?(name)
+    Dir.glob(File.join(d, "sections", "*.adoc")).each do |f|
+      lines = File.readlines(f)
+      lines.each_with_index do |line, i|
+        next unless line =~ /^== (Bibliography|Normative references)\s*$/
+
+        prior = lines[0...i].reverse.find { |l| !l.strip.empty? }
+        unless prior && prior =~ /^\[bibliography\]\s*$/
+          report.call(key, "#{name}:#{File.basename(f)}:#{i + 1}: " \
+                           "heading `#{line.strip}` lacks the [bibliography] marker")
+        end
+
+        lines[(i + 1)..].each_with_index do |entry, j|
+          break if entry =~ /^== /
+          next unless entry =~ /^\* /
+
+          ln = i + 1 + j + 1
+          anchors = entry.scan(/\[\[\[([^\],]+),/).flatten
+          if anchors.empty?
+            report.call(key, "#{name}:#{File.basename(f)}:#{ln}: " \
+                             "bibliography entry without an anchor")
+          elsif anchors.size > 1
+            report.call(key, "#{name}:#{File.basename(f)}:#{ln}: " \
+                             "multi-anchor entry (renders later anchors empty): " \
+                             "#{anchors.join(", ")}")
+          end
+          if entry =~ /\nofetch\([^)]*\z/
+            report.call(key, "#{name}:#{File.basename(f)}:#{ln}: " \
+                             "unbalanced nofetch( parenthesis")
+          end
+        end
+      end
+    end
+  end
+end
+
 # ---- pass 3: cross-part citations resolve ------------------------------------
 all_names = all_dirs.values.flatten.map { |d| File.basename(d) }
 # Only check citations to series visible in the scanned registers; a sibling

diff --git a/sources/asciiunits/sections/99-bibliography.adoc b/sources/asciiunits/sections/99-bibliography.adoc
@@ -1,2 +1,5 @@
 [bibliography]
 == Bibliography
+
+* [[[unitsml-ruby,nofetch(unitsml/unitsml-ruby)]]] — the Ruby implementation of AsciiUnits from which the grammar was extracted, and the reference parser validated against it
+* [[[asciiunits-repo,nofetch(unitsml/asciiunits)]]] — the PARG grammar artifact and conformance corpus repository
diff --git a/sources/unitsdb/sections/02-normrefs.adoc b/sources/unitsdb/sections/02-normrefs.adoc
@@ -1,4 +1,4 @@
 [bibliography]
 == Normative references
 
-* [[SI_Brochure,BIPM SI Brochure]], SI Brochure: The International System of Units (SI), 9th edition, 2019, BIPM
+* [[[SI_Brochure,BIPM SI Brochure]]], SI Brochure: The International System of Units (SI), 9th edition, 2019, BIPM
diff --git a/sources/unitsml-36814-unitsdb/sections/02-normrefs.adoc b/sources/unitsml-36814-unitsdb/sections/02-normrefs.adoc
@@ -2,7 +2,7 @@
 == Normative references
 
 * [[[unitsml-36812,nofetch(CalConnect 36812)]]]
-* [[[unitsml-3682,nofetch(CalConnect 36813]]]
+* [[[unitsml-36813,nofetch(CalConnect 36813)]]]
 * [[[iso4217,ISO 4217]]] (currency codes)
 * [[[iec62720,nofetch(IEC 62720)]]] (units dictionary; source corpus only — no IEC backing of this register is implied)
 * [[[cc36811,nofetch(CalConnect 36811)]]], _UnitsML — UnitsDB specification_ (v1 base standard, frozen 2025-03; historical)
diff --git a/sources/unitsml-36815-units-model/sections/02-normrefs.adoc b/sources/unitsml-36815-units-model/sections/02-normrefs.adoc
@@ -2,8 +2,8 @@
 == Normative references
 
 * [[[unitsml-36812,nofetch(CalConnect 36812)]]]
-* [[[unitsml-3682,nofetch(CalConnect 36813]]]
-* [[[unitsml-3683,nofetch(CalConnect 36814]]]
+* [[[unitsml-36813,nofetch(CalConnect 36813)]]]
+* [[[unitsml-36814,nofetch(CalConnect 36814)]]]
 * [[[jcgm200,JCGM 200:2012]]] (VIM), entries 1.1–1.5, 2.30–2.38
 * [[[iso80000-1,ISO 80000-1]]] (quantities and units; scales)
 * [[[pendrill2024,nofetch(Pendrill 2024)]]] (L0–L3 concept levels; isq-smart concept system)
diff --git a/sources/unitsml-36816-conversions/sections/02-normrefs.adoc b/sources/unitsml-36816-conversions/sections/02-normrefs.adoc
@@ -2,8 +2,8 @@
 == Normative references
 
 * [[[unitsml-36812,nofetch(CalConnect 36812)]]]
-* [[[unitsml-3682,nofetch(CalConnect 36813]]]
-* [[[unitsml-3683,nofetch(CalConnect 36814]]]
-* [[[unitsml-3684,nofetch(CalConnect 36815]]]
+* [[[unitsml-36813,nofetch(CalConnect 36813)]]]
+* [[[unitsml-36814,nofetch(CalConnect 36814)]]]
+* [[[unitsml-36815,nofetch(CalConnect 36815)]]]
 * [[[xsd-float64,nofetch(UnitsML 1.0 XSD Float64ConversionFromType)]]] (the data syntax)
 * [[[jcgm100,JCGM 100:2008]]] (exactness discipline analogy)
diff --git a/sources/unitsml-36817-asciiunits/sections/02-normrefs.adoc b/sources/unitsml-36817-asciiunits/sections/02-normrefs.adoc
@@ -2,6 +2,6 @@
 == Normative references
 
 * [[[unitsml-36812,nofetch(CalConnect 36812)]]]
-* [[[unitsml-3683,nofetch(CalConnect 36814]]]
+* [[[unitsml-36814,nofetch(CalConnect 36814)]]]
 * [[[parg,nofetch(PARG grammar language and artifact format)]]] (parsanol/docs)
 * [[[cc36810,nofetch(CalConnect 36810)]]], _AsciiUnits syntax specification_ (v1 base standard, frozen 2025-03; historical)
diff --git a/sources/unitsml-36818-xml-usage/sections/02-normrefs.adoc b/sources/unitsml-36818-xml-usage/sections/02-normrefs.adoc
@@ -2,8 +2,8 @@
 == Normative references
 
 * [[[unitsml-36812,nofetch(CalConnect 36812)]]]
-* [[[unitsml-3683,nofetch(CalConnect 36814]]]
-* [[[unitsml-3684,nofetch(CalConnect 36815]]]
-* [[[unitsml-3685,nofetch(CalConnect 36816]]]
+* [[[unitsml-36814,nofetch(CalConnect 36814)]]]
+* [[[unitsml-36815,nofetch(CalConnect 36815)]]]
+* [[[unitsml-36816,nofetch(CalConnect 36816)]]]
 * [[[xsd-spec,nofetch(generated XSD specification)]]] (base document)
 * [[[unitsml-xsd,nofetch(UnitsML 1.0 XSD)]]] (unitsml-v1.0.xsd)
diff --git a/sources/unitsml-36819-conformance/sections/02-normrefs.adoc b/sources/unitsml-36819-conformance/sections/02-normrefs.adoc
@@ -2,7 +2,7 @@
 == Normative references
 
 * [[[unitsml-36812,nofetch(CalConnect 36812)]]]
-* [[[unitsml-3682,nofetch(CalConnect 36813]]]
+* [[[unitsml-36813,nofetch(CalConnect 36813)]]]
 * [[[tested-parts,nofetch(tested parts)]]] — CalConnect 36814–7 and the Plurimath series parts under test
 * [[[jcgm101,JCGM 101:2008]]], Clause 7.9 (adaptive procedure)
 * [[[jcgm106,JCGM 106:2012]]] (decision vectors)
diff --git a/sources/unitsml-36819-conformance/sections/98-bibliography.adoc b/sources/unitsml-36819-conformance/sections/98-bibliography.adoc
@@ -4,4 +4,4 @@
 * [[[jcgm101-t10,JCGM 101:2008]]], Table 10 (§9.5 results)
 * [[[jcgm106-t1,JCGM 106:2012]]], Table 1
 * [[[gum5,nofetch(GUM-5:2026)]]], Examples
-* [[[testsuite,nofetch(unitsml/unitsml-testsuite#1)]]]
+* [[[testsuite-1,nofetch(unitsml/unitsml-testsuite pull 1)]]], the shared render corpus