anchor.diff:  <% end %>
   
   
  -<% function 'meta.get-function($name, $css: false)',
  -            'get-function($name, $css: false)',
  +<% function 'meta.get-function($name, $css: false, $module: null)',
  +            'get-function($name, $css: false, $module: null)',
               returns: 'function' do %>
     Returns the [function][] named `$name`.
   
     [function]: ../values/functions
   
  -  This can access both built-in and [user-defined][] functions. By default, it
  -  throws an error if `$name` doesn't refer to either a built-in or user-defined
  -  function. However, if `$css` is `true`, it instead returns a
  -  [plain CSS function][].
  +  If `$module` is `null`, this returns the function named `$name` without a
  +  namespace (including [global built-in functions][]). Otherwise, `$module` must
  +  be a string matching the namespace of a [`@use` rule][] in the current file,
  +  in which case this returns the function in that module named `$name`.
  +
  +  [global built-in functions]: ../modules#global-functions
  +  [`@use` rule]: ../at-rules/use
  +
  +  By default, this throws an error if `$name` doesn't refer to Sass function.
  +  However, if `$css` is `true`, it instead returns a [plain CSS function][].
   
     [user-defined]: ../at-rules/function
     [plain CSS function]: ../at-rules/function#plain-css-functions
  
positive.code: <% end %>
  
  
  <% function 'meta.global-variable-exists($name)',
              'global-variable-exists($name)',
              returns: 'boolean' do %>
    Returns whether a [global variable][] named `$name` (without the `$`) exists.
  
    [global variable]: ../variables#scope
  
    See also [`meta.variable-exists()`](#variable-exists).
  
  
negative.code: <% end %>
  
  
  <% function 'meta.mixin-exists($name, $module: null)',
              'mixin-exists($name, $module: null)',
              returns: 'boolean' do %>
    Returns whether a [mixin][] named `$name` exists.
  
    [mixin]: ../at-rules/mixin
    
    If `$module` is `null`, this returns whether a mixin named `$name` without a
    namespace exists. Otherwise, `$module` must be a string matching the namespace
    of a [`@use` rule][] in the current file, in which case this returns whether
    that module has a mixin named `$name`.
  
    [`@use` rule]: ../at-rules/use
  
  
    <% example(autogen_css: false) do %>
      @debug meta.mixin-exists("shadow-none"); // false
  