Create equation nodes for formula tag

Author: EmilyBourne

mkdoxy/xml_parser.py

@@ -6,10 +6,12 @@
     Code,
     Md,
     MdBlockQuote,
+    MdBlockEquation,
     MdBold,
     MdCodeBlock,
     MdHeader,
     MdImage,
+    MdInlineEquation,
     MdItalic,
     MdLink,
     MdList,
@@ -277,6 +279,12 @@ def paras(self, p: Element, italic: bool = False) -> [Md]:
 
             elif item.tag == "emphasis":
                 ret.append(MdItalic(self.paras(item)))
+            elif item.tag == "formula":
+                equation = item.text.strip("$ ")
+                if len(p) == 1 and item.tail is None:
+                    ret.append(MdBlockEquation(equation))
+                else:
+                    ret.append(MdInlineEquation(equation))
 
             if item.tail:
                 if italic: