A few more fixes to EBNF

TODO.md

@@ -15,8 +15,6 @@ print the generated type variable for every subexpression in an expression
 
 -idea: the `type` declaration should have some kind of GADT-like syntax
 
--idea: I should make the BNF grammar part of the documentation...
-
 - Idea: if you have a pattern-match where one variant has a variable and the other lacks it
 instead of treating this as a type error, promote the bound variable to an option type
 

schala-lang/language/src/parsing.rs

@@ -80,9 +80,9 @@
 //!
 //! ```
 //! list_expr := "[" (expression, ",")* "]"
-//! lambda_expr := "\" lambda_param_list type_anno+ nonempty_func_body
+//! lambda_expr := "\\" lambda_param_list type_anno+ nonempty_func_body
 //! lambda_param_list := formal_param_list |  formal_param
-//! paren_expr := LParen paren_inner RParen
+//! paren_expr := "(" paren_inner ")"
 //! paren_inner := (expression ",")*
 //! identifier_expr := named_struct | IDENTIFIER
 //! ```
@@ -94,14 +94,11 @@
 //! record_block :=  "{" (record_entry, ",")* | "}" //TODO support anonymus structs, update syntax
 //! record_entry := IDENTIFIER ":" expression
 //! anonymous_struct := TODO
-//! ```
-//!
-//! A `float_literal` can still be assigned to an int in type-checking
-//! ```
 //! number_literal := int_literal | float_literal
 //! int_literal = ("0x" | "0b") digits
 //! float_literal := digits ("." digits)
-//! digits := (DIGIT_GROUP underscore)+
+//! digits := (digit_group underscore*)+
+//! digit_group := DIGIT+
 //! ```
 //!
 //! ### Patterns