Markdown reader: remove restriction on identifiers...

so they no longer need to begin with a letter. Closes #7920.

1 files changed, 20 insertions, 0 deletions

diff --git a/test/command/7920.md b/test/command/7920.md
new file mode 100644
index 000000000..6bfac3af6
--- /dev/null
+++ b/test/command/7920.md
@@ -0,0 +1,20 @@
+```
+% pandoc -t native
+[hi]{#123}
+^D
+[ Para [ Span ( "123" , [] , [] ) [ Str "hi" ] ] ]
+```
+
+```
+% pandoc -t markdown
+[hi]{#123}
+^D
+[hi]{#123}
+```
+
+```
+% pandoc -t markdown
+# Hi {#123}
+^D
+# Hi {#123}
+```