Move the coding of angle brackets in HTML to the innermost function in the chain (#821)

nw/core/tohtml.py

@@ -74,19 +74,13 @@ class ToHtml(Tokenizer):
         return
 
     def setReplaceUnicode(self, doReplace):
-        """Set the translation map to either minimal or full unicode to
+        """Set the translation map to either minimal or full unicode for
         html entities replacement.
         """
         # Control characters must always be replaced
-        # This affects alignment and indenting code, so the Tokenizer
-        # must take this into account when parsing for markup using
-        # angle brackets.
-        self._trMap = str.maketrans({
-            "<": "&lt;",
-            ">": "&gt;",
-            "&": "&amp;",
-        })
-
+        # Angle brackets are replaced later as they are also used in
+        # formatting codes
+        self._trMap = str.maketrans({"&": "&amp;"})
         if doReplace:
             # Extend to all relevant Unicode characters
             self._trMap.update(str.maketrans(nwHtmlUnicode.U_TO_H))
@@ -157,6 +151,9 @@ class ToHtml(Tokenizer):
 
         for tType, tLine, tText, tFormat, tStyle in self.theTokens:
 
+            # Replace < and > before adding html tags
+            tText = tText.replace("<", "&lt;").replace(">", "&gt;")
+
             # Styles
             aStyle = []
             if tStyle is not None and self.cssStyles: