Made strict_syntax false by default

Author: m-messer

app/docs/user.md

@@ -240,7 +240,7 @@ If `strict_syntax` is set to true then the answer and response must have `*` or
 
 If `strict_syntax` is set to false, then `*` can be omitted and `^` used instead of `**`. In this case it is also recommended to list any multicharacter symbols expected to appear in the response as input symbols.
 
-By default `strict_syntax` is set to true.
+By default `strict_syntax` is set to false.
 
 #### `symbol_assumptions`
 

app/evaluation.py

@@ -288,7 +288,7 @@ def evaluation_function(response, answer, params, include_test_data=False) -> di
         )
 
     # FIXME: Move this into expression_utilities
-    if params.get("strict_syntax", True):
+    if params.get("strict_syntax", False):
         if "^" in response:
             evaluation_result.add_feedback(("NOTATION_WARNING_EXPONENT", symbolic_comparison_internal_messages("NOTATION_WARNING_EXPONENT")(dict())))
         if "!" in response:

app/utility/expression_utilities.py

@@ -671,7 +671,7 @@ def create_sympy_parsing_params(params, unsplittable_symbols=tuple(), symbol_ass
 
     symbol_dict.update(sympy_symbols(unsplittable_symbols))
 
-    strict_syntax = params.get("strict_syntax", True)
+    strict_syntax = params.get("strict_syntax", False)
 
     parsing_params = {
         "unsplittable_symbols": unsplittable_symbols,