txt: ## obsolete.md
  class X::Obsolete
  
  Compilation error due to use of obsolete syntax
  
  ```raku
  class X::Obsolete does X::Comp { }
  ```
  
  Syntax error thrown when the user is attempting to use constructs from other languages.
  
  For example
  
  ```raku
  m/abc/i
  
  ```
  
  dies with
  
  ｢text｣ without highlighting
  
  ```
  
  
  ```
  
  ===SORRY!===
  Unsupported use of /i; in Raku please use :i
  
  
  ```
  
  
  ```
  
  # [Methods](#class_X::Obsolete "go to top of document")[§](#Methods "direct link")
  
  ## [method old](#class_X::Obsolete "go to top of document")[§](#method_old "direct link")
  
  ```raku
  method old(--> Str:D)
  ```
  
  Returns a textual description of the obsolete syntax construct
  
  ## [method replacement](#class_X::Obsolete "go to top of document")[§](#method_replacement "direct link")
  
  ```raku
  method replacement(--> Str:D)
  ```
  
  Describes what to use instead of the obsolete syntax.
  
  ## [method when](#class_X::Obsolete "go to top of document")[§](#method_when "direct link")
  
  ```raku
  method when(--> Str:D)
  ```
  
  Returns a string describing the state of the language (usually `" in Raku"`).
  