Apply category even if there are radio targets.

src/parser/in_buffer_settings.rs

@@ -11,7 +11,9 @@ use super::OrgSource;
 use crate::context::HeadlineLevelFilter;
 use crate::error::CustomError;
 use crate::error::Res;
+use crate::iter::AstNode;
 use crate::settings::GlobalSettings;
+use crate::types::Document;
 use crate::types::Keyword;
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
@@ -114,6 +116,25 @@ pub(crate) fn apply_in_buffer_settings<'g, 's, 'sf>(
     Ok(new_settings)
 }
 
+/// Apply in-buffer settings that do not impact parsing and therefore can be applied after parsing.
+pub(crate) fn apply_post_parse_in_buffer_settings<'g, 's, 'sf>(
+    document: &mut Document<'s>,
+) -> Result<(), &'static str> {
+    document.category = Into::<AstNode>::into(&*document)
+        .into_iter()
+        .filter_map(|ast_node| {
+            if let AstNode::Keyword(ast_node) = ast_node {
+                if ast_node.key.eq_ignore_ascii_case("category") {
+                    return Some(ast_node);
+                }
+            }
+            None
+        })
+        .last()
+        .map(|kw| kw.value.to_owned());
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;