Docs: Render cell titles

Also put property lists *after* cell description.

docs/source/cell/word_binary.rst

@@ -4,8 +4,6 @@
 Binary operators
 ~~~~~~~~~~~~~~~~
 
-.. TODO:: display cell titles
-
 All binary RTL cells have two input ports ``A`` and ``B`` and one output port
 ``Y``. They also have the following parameters:
 

docs/util/cellref.py

@@ -305,15 +305,8 @@ def add_directive_header(self, sig: str) -> None:
                 val = ' '.join(val)
             if val:
                 self.add_line(f'   :{attr}: {val}', sourcename)
-
-        self.add_line('\n', sourcename)
 
-        # fields
-        field_attrs = ["properties", ]
-        for field in field_attrs:
-            attr = getattr(cell, field, [])
-            for val in attr:
-                self.add_line(f'   :{field} {val}:', sourcename)
+        self.add_line('\n', sourcename)
 
         if self.options.noindex:
             self.add_line('   :noindex:', sourcename)
@@ -331,6 +324,14 @@ def add_content(self, more_content: Any | None) -> None:
             for line, src in zip(more_content.data, more_content.items):
                 self.add_line(line, src[0], src[1])
 
+        # fields
+        self.add_line('\n', sourcename)
+        field_attrs = ["properties", ]
+        for field in field_attrs:
+            attr = getattr(self.object, field, [])
+            for val in attr:
+                self.add_line(f':{field} {val}:', sourcename)
+
     def get_object_members(
         self,
         want_all: bool

docs/util/cmdref.py

@@ -209,6 +209,14 @@ def add_target_and_index(
                          self.env.docname,
                          idx,
                          0))
+
+    def transform_content(self, contentnode: addnodes.desc_content) -> None:
+        # Add the cell title to the body
+        if 'title' in self.options:
+            titlenode = nodes.paragraph()
+            titlenode += nodes.strong()
+            titlenode[-1] += nodes.Text(self.options['title'])
+            contentnode.insert(0, titlenode)
 
 class CellSourceNode(TocNode):
     """A custom code block for including cell source."""