html: Fix inline source block highlighting & escaping

org/html_writer.go

@@ -141,6 +141,7 @@ func (w *HTMLWriter) WriteInlineBlock(b InlineBlock) {
 	switch b.Name {
 	case "src":
 		lang := strings.ToLower(b.Parameters[0])
+		content = w.HighlightCodeBlock(content, lang, true)
 		w.WriteString(fmt.Sprintf("<div class=\"src src-inline src-%s\">\n%s\n</div>", lang, content))
 	case "export":
 		if strings.ToLower(b.Parameters[0]) == "html" {

org/testdata/inline.html

@@ -44,7 +44,11 @@ links with slashes do not become <em>emphasis</em>: <a href="https://somelinksho
 <li>
 <p>
 inline source blocks like <div class="src src-inline src-html">
-<h1>hello</h1>
+<div class="highlight-inline">
+<pre>
+&lt;h1&gt;hello&lt;/h1&gt;
+</pre>
+</div>
 </div>
 </p>
 </li>