Remove spurious members from module documentation

With this patch, we require that the identifier element for a member in
the module documentation is a direct child of the table cell.  This
fixes problems with spurious member elements if there are more elements
in the table cell, e. g. stability annotations.

CHANGELOG.md

@@ -11,6 +11,7 @@ SPDX-License-Identifier: MIT
   instead of always using `/usr`.
 - Improve the documentation parser:
   - Fix the definition of methods to only contain the actual definition.
+  - Remove spurious members in module documentation.
 
 ## v0.1.2 (2020-07-25)
 

src/parser.rs

@@ -493,7 +493,7 @@ fn get_members(
 ) -> anyhow::Result<Vec<doc::Doc>> {
     let mut members: Vec<doc::Doc> = Vec::new();
     if let Some(table) = select_first(document, &format!("#{} + table", ty.group_id()))? {
-        let items = select(table.as_node(), "td:first-child :first-child")?;
+        let items = select(table.as_node(), "td:first-child > :first-child")?;
         for item in items {
             let item_name = item.as_node().text_contents();
             let docblock = item.as_node().parent().and_then(|n| n.next_sibling());