Fix SF bug #735694, Pydoc.py fixes links

Modified the patch some.  Fixed invalid link in UNICODE (to STRING).
Also updates some references.

Lib/pydoc.py

@@ -1437,7 +1437,7 @@ class Helper:
         'STRINGS': ('ref/strings', 'str UNICODE SEQUENCES STRINGMETHODS FORMATTING TYPES'),
         'STRINGMETHODS': ('lib/string-methods', 'STRINGS FORMATTING'),
         'FORMATTING': ('lib/typesseq-strings', 'OPERATORS'),
-        'UNICODE': ('ref/strings', 'encodings unicode TYPES STRING'),
+        'UNICODE': ('ref/strings', 'encodings unicode SEQUENCES STRINGMETHODS FORMATTING TYPES'),
         'NUMBERS': ('ref/numbers', 'INTEGER FLOAT COMPLEX TYPES'),
         'INTEGER': ('ref/integers', 'int range'),
         'FLOAT': ('ref/floating', 'float math'),
@@ -1469,13 +1469,14 @@ class Helper:
         'SEQUENCEMETHODS2': ('ref/sequence-methods', 'SEQUENCES SEQUENCEMETHODS1 SPECIALMETHODS'),
         'MAPPINGMETHODS': ('ref/sequence-types', 'MAPPINGS SPECIALMETHODS'),
         'NUMBERMETHODS': ('ref/numeric-types', 'NUMBERS AUGMENTEDASSIGNMENT SPECIALMETHODS'),
-        'EXECUTION': ('ref/naming', ''),
-        'NAMESPACES': ('ref/naming', 'global ASSIGNMENT DELETION'),
+        'EXECUTION': ('ref/execmodel', 'NAMESPACES DYNAMICFEATURES EXCEPTIONS'),
+        'NAMESPACES': ('ref/naming', 'global ASSIGNMENT DELETION DYNAMICFEATURES'),
+        'DYNAMICFEATURES': ('ref/dynamic-features', ''),
         'SCOPING': 'NAMESPACES',
         'FRAMES': 'NAMESPACES',
         'EXCEPTIONS': ('ref/exceptions', 'try except finally raise'),
-        'COERCIONS': 'CONVERSIONS',
-        'CONVERSIONS': ('ref/conversions', ''),
+        'COERCIONS': ('ref/coercion-rules','CONVERSIONS'),
+        'CONVERSIONS': ('ref/conversions', 'COERCIONS'),
         'IDENTIFIERS': ('ref/identifiers', 'keywords SPECIALIDENTIFIERS'),
         'SPECIALIDENTIFIERS': ('ref/id-classes', ''),
         'PRIVATENAMES': ('ref/atom-identifiers', ''),