From f7c0d2fb3f9ba8ac6c20ea03a2dbe0709c0d026f Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Tue, 11 Jun 2019 16:19:12 -0700
Subject: [PATCH] JATS writer: don't use break element for LineBreak.

It's only allowed in a few special contexts, and not in
p elements.
---
 src/Text/Pandoc/Writers/JATS.hs | 3 ++-
 test/writer.jats                | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Text/Pandoc/Writers/JATS.hs b/src/Text/Pandoc/Writers/JATS.hs
index c5e86956b..07a49ceac 100644
--- a/src/Text/Pandoc/Writers/JATS.hs
+++ b/src/Text/Pandoc/Writers/JATS.hs
@@ -390,7 +390,8 @@ inlineToJATS _ il@(RawInline f x)
   | otherwise   = do
       report $ InlineNotRendered il
       return empty
-inlineToJATS _ LineBreak = return $ selfClosingTag "break" []
+inlineToJATS _ LineBreak = return cr -- not allowed as child of p
+-- see https://jats.nlm.nih.gov/publishing/tag-library/1.2/element/break.html
 inlineToJATS _ Space = return space
 inlineToJATS opts SoftBreak
   | writerWrapText opts == WrapPreserve = return cr
diff --git a/test/writer.jats b/test/writer.jats
index ae24f3e50..ba5736cdd 100644
--- a/test/writer.jats
+++ b/test/writer.jats
@@ -68,7 +68,8 @@ Gruber’s markdown test suite.</p>
   item. Because a hard-wrapped line in the middle of a paragraph looked like a
   list item.</p>
   <p>Here’s one with a bullet. * criminey.</p>
-  <p>There should be a hard line break<break />here.</p>
+  <p>There should be a hard line break
+  here.</p>
 </sec>
 <sec id="block-quotes">
   <title>Block Quotes</title>