From ec3426946c37f270d71e8c4ad19d37beea726e7d Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Sat, 7 Nov 2020 03:00:56 +0000
Subject: CTAN sync 202011070300

---
 support/tex4ebook/changelog.tex            |  11 +++++++++++
 support/tex4ebook/tex4ebook                |   2 +-
 support/tex4ebook/tex4ebook-doc.pdf        | Bin 79364 -> 79505 bytes
 support/tex4ebook/tex4ebook-exec_epub.lua  |   5 +++--
 support/tex4ebook/tex4ebook-exec_epub3.lua |   1 +
 5 files changed, 16 insertions(+), 3 deletions(-)

(limited to 'support/tex4ebook')

diff --git a/support/tex4ebook/changelog.tex b/support/tex4ebook/changelog.tex
index f77423e85b..3d0d6c1c6c 100644
--- a/support/tex4ebook/changelog.tex
+++ b/support/tex4ebook/changelog.tex
@@ -2,6 +2,17 @@
 \section{Changes}\label{changes}}
 
 \begin{itemize}
+\item
+  2020/11/06
+
+  \begin{itemize}
+  \tightlist
+  \item
+    bug fix: remove custom elements from the NCX file in the Epub 3
+    format.
+  \item
+    released version \texttt{0.3c}
+  \end{itemize}
 \item
   2020/09/07
 
diff --git a/support/tex4ebook/tex4ebook b/support/tex4ebook/tex4ebook
index dc602c4e72..91df031ffb 100755
--- a/support/tex4ebook/tex4ebook
+++ b/support/tex4ebook/tex4ebook
@@ -67,7 +67,7 @@ else
 end
 
 if args.version then
-  print "tex4ebook v0.3b"
+  print "tex4ebook v0.3c"
   return 
 end
 
diff --git a/support/tex4ebook/tex4ebook-doc.pdf b/support/tex4ebook/tex4ebook-doc.pdf
index 942a92df29..3546db973f 100644
Binary files a/support/tex4ebook/tex4ebook-doc.pdf and b/support/tex4ebook/tex4ebook-doc.pdf differ
diff --git a/support/tex4ebook/tex4ebook-exec_epub.lua b/support/tex4ebook/tex4ebook-exec_epub.lua
index b0ccee6202..75304e2494 100644
--- a/support/tex4ebook/tex4ebook-exec_epub.lua
+++ b/support/tex4ebook/tex4ebook-exec_epub.lua
@@ -393,12 +393,13 @@ local function fix_ncx_toc_levels(dom)
   return dom
 end
 
-local function clean_xml_files()
+function clean_xml_files()
   local opf_file = outputdir .. "/content.opf"
   update_file(opf_file, function(content)
     -- remove wrong elements from the OPF file
     -- open opf file and create LuaXML DOM
-    local opf_dom = dom.parse(content)
+    -- the second argument to dom.parse is needed to avoid parsing issues due to the <meta> element.
+    local opf_dom = dom.parse(content, {})
     -- remove child elements from elements that don't allow them
     for _, el in ipairs(opf_dom:query_selector("dc|title, dc|creator")) do
       -- get text content
diff --git a/support/tex4ebook/tex4ebook-exec_epub3.lua b/support/tex4ebook/tex4ebook-exec_epub3.lua
index 650eea4e6d..fc200bd866 100644
--- a/support/tex4ebook/tex4ebook-exec_epub3.lua
+++ b/support/tex4ebook/tex4ebook-exec_epub3.lua
@@ -273,6 +273,7 @@ function writeContainer()
   log:info "write container"
 	eb.make_opf()
 	cleanOPF()
+  eb.clean_xml_files()
 	local ret = eb.pack_container()
 	return ret
 end
-- 
cgit v1.2.3