Markdown writer: don't create autolinks when this loses information.

Previously we sometimes lost attributes when rendering links as autolinks.

Closes #7692.

1 files changed, 13 insertions, 0 deletions

diff --git a/test/command/7692.md b/test/command/7692.md
new file mode 100644
index 000000000..2a91ef378
--- /dev/null
+++ b/test/command/7692.md
@@ -0,0 +1,13 @@
+```
+% pandoc -t markdown
+[https://example.com](https://example.com){.clz}
+^D
+[https://example.com](https://example.com){.clz}
+```
+
+```
+% pandoc -f markdown -t html | pandoc -f html -t markdown
+<http://example.com>
+^D
+<http://example.com>
+```