added markdown.tab_length config option

src/zona/config.py

@@ -38,6 +38,7 @@ class HighlightingConfig:
 @dataclass
 class MarkdownConfig:
     image_labels: bool = True
+    tab_length: int = 2
     syntax_highlighting: HighlightingConfig = field(
         default_factory=HighlightingConfig
     )

src/zona/markdown.py

@@ -144,15 +144,20 @@ def md_to_html(
         MarkdownInHtmlExtension(),
         EscapeAllExtension(hardbreak=True),
     ]
+    kwargs: dict[str, Any] = {
+        "extensions": extensions,
+        "tab_length": 2,
+    }
     if config:
-        extensions.append(
+        kwargs["extensions"].append(
             CodeHiliteExtension(
                 linenums=False,
                 noclasses=False,
                 pygments_style=config.markdown.syntax_highlighting.theme,
             )
         )
-    md = Markdown(extensions=extensions)
+        kwargs["tab_length"] = config.markdown.tab_length
+    md = Markdown(**kwargs)
     if resolve_links:
         if source is None or layout is None or item_map is None:
             raise TypeError(