From cad86ab2fddbd46996c61e27cd2563e81f3ba8c3 Mon Sep 17 00:00:00 2001
From: Petter Reinholdtsen <pere@hungry.com>
Date: Fri, 9 Feb 2018 11:12:11 +0100
Subject: [PATCH] Add code to remove empty notes/web links sections.

---
 Makefile         |  4 +---
 fixup-docbook.rb | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 1037f9d..6cd997d 100644
--- a/Makefile
+++ b/Makefile
@@ -102,9 +102,7 @@ DBLATEX_OPTS = -T simple -t tex -b xetex -p extra/pdf.xsl
 %.tex: %.xml
 	dblatex $(DBLATEX_OPTS) $^
 	perl -p -i -e 's/ / /g; \
-		s/\\chapter\{(Colophon|Dedication)\}/\\chapter*{}/; \
-		s/\\section\{(Notes|Notas)\}/\\section*{$$1}/; \
-		s/(Web links?|Vínculos Web)/\\section*{$$1}/;' $@
+		s/\\chapter\{(Colophon|Dedication)\}/\\chapter*{}/;' $@
 
 XMLLINTOPTS = --nonet --noout  --xinclude --postvalid
 lint: $(SOURCE).xml
diff --git a/fixup-docbook.rb b/fixup-docbook.rb
index 05f5a53..5de33e7 100755
--- a/fixup-docbook.rb
+++ b/fixup-docbook.rb
@@ -66,6 +66,24 @@ if s
   end
 end
 
+
+log 0, 'remove empty notes/web links sections'
+[
+  'Notes',
+  'Web links',
+  'Web link',
+].each do |title|
+  xml.xpath("//title[text()='%s']" % title).each do |node|
+    p = node.parent
+    node.remove
+    if p.content =~ /^\s*$/
+      p.remove
+    else
+      raise RuntimeError, 'Non-empty «%s» found' % title
+    end
+  end
+end
+
 log 0, 'remove title from dedication'
 xml.css('dedication title')[0].content = ""
 
-- 
2.47.2