Make assignment a statement in Syntax.md (#9188) [skip-ci]

* Make assignment a statement in Syntax

force to change line 709 to something kind of non sensical

* Applied code review changes

docs/markdown/Syntax.md

@@ -695,7 +695,7 @@ additive_expression: multiplicative_expression | (additive_expression additive_o
 additive_operator: "+" | "-"
 argument_list: positional_arguments ["," keyword_arguments] | keyword_arguments
 array_literal: "[" [expression_list] "]"
-assignment_expression: conditional_expression | (logical_or_expression assignment_operator assignment_expression)
+assignment_statement: expression asssignment_operator expression
 assignment_operator: "=" | "*=" | "/=" | "%=" | "+=" | "-="
 boolean_literal: "true" | "false"
 build_definition: (NEWLINE | statement)*
@@ -706,7 +706,7 @@ DECIMAL_NUMBER: /[1-9][0-9]*/
 dictionary_literal: "{" [key_value_list] "}"
 equality_expression: relational_expression | (equality_expression equality_operator relational_expression)
 equality_operator: "==" | "!="
-expression: assignment_expression
+expression: conditional_expression | logical_or_expression
 expression_list: expression ("," expression)*
 expression_statement: expression
 function_expression: id_expression "(" [argument_list] ")"
@@ -736,7 +736,7 @@ primary_expression: literal | ("(" expression ")") | id_expression
 relational_expression: additive_expression | (relational_expression relational_operator additive_expression)
 relational_operator: ">" | "<" | ">=" | "<=" | "in" | ("not" "in")
 selection_statement: "if" condition NEWLINE (statement)* ("elif" condition NEWLINE (statement)*)* ["else" (statement)*] "endif"
-statement: (expression_statement | selection_statement | iteration_statement) NEWLINE
+statement: (expression_statement | selection_statement | iteration_statement | assignment_statement) NEWLINE
 string_literal: ("'" STRING_SIMPLE_VALUE "'") | ("'''" STRING_MULTILINE_VALUE "'''")
 STRING_MULTILINE_VALUE: \.*?(''')\
 STRING_SIMPLE_VALUE: \.*?(?<!\\)(\\\\)*?'\