From d441e656db576f266c4866e65ff9e4705d376381 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Tue, 25 Jul 2017 13:13:24 +0200
Subject: HTML writer: insert data- in front of unsupported attributes.

Thus, a span with attribute 'foo' gets written to HTML5
with 'data-foo', so it is valid HTML5.

HTML4 is not affected.

This will allow us to use custom attributes in pandoc without
producing invalid HTML.
---
 test/command/custom-attributes.html | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/command/custom-attributes.html

(limited to 'test/command/custom-attributes.html')

diff --git a/test/command/custom-attributes.html b/test/command/custom-attributes.html
new file mode 100644
index 000000000..67dccc1b8
--- /dev/null
+++ b/test/command/custom-attributes.html
@@ -0,0 +1,16 @@
+Custom attributes should automatically have data- added
+in HTML5:
+```
+% pandoc -t html5
+[hello]{foo="bar"}
+^D
+<span data-foo="bar">hello</span>
+```
+
+but not in HTML4:
+```
+% pandoc -t html4
+[hello]{foo="bar"}
+^D
+<span foo="bar">hello</span>
+```
-- 
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