fix: handle most inline markup in metadata titles

Actually, we only didn't handle `foo` code markup.

Sponsored-by: author

1 files changed, 22 insertions, 0 deletions

diff --git a/subplot.md b/subplot.md
index b7169c7..32390c1 100644
--- a/subplot.md
+++ b/subplot.md
@@ -1100,6 +1100,28 @@ then bar was done
 ~~~
 
 
+## Title markup
+
+It is OK to use markup in document titles, in the YAML metadata
+section. This scenario verifies that all markup works.
+
+~~~scenario
+given file title-markup.md
+given an installed subplot
+when I run subplot docgen title-markup.md -o foo.pdf
+then file foo.pdf exists
+~~~
+
+~~~~{#title-markup.md .file .markdown .numberLines}
+---
+title: This _uses_ ~~all~~ **most** inline `markup`
+subtitle: H~2~O is not 2^10^
+template: python
+...
+
+# Introduction
+~~~~
+
 ## Empty lines in scenarios
 
 This scenario verifies that empty lines in scenarios are ignored.