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# edoc_layout behaviour (edoc v1.4.1)

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The standard HTML layout module for EDoc. See the `edoc` module for details on usage.

See also: edoc.

## Summary

### Types

options/0

### Callbacks

module/2

### Functions

module(Element, Options)

The layout function.

overview(Element, Options)
type(Element)

## Types

# options/0

    -type options() ::
              [{index_columns, integer()} |
               {pretty_printer, atom()} |
               {stylesheet, string()} |
               {sort_functions, boolean()} |
               {xml_export, module()}].

## Callbacks

# module/2

    -callback module(edoc:edoc_module(), _) -> binary().

Layout entrypoint.

## Functions

# module(Element, Options)

    -spec module(Element, Options) -> term() when Element :: edoc:edoc_module(), Options :: options().

The layout function.

Options to the standard layout:

`{index_columns, integer()}`
  Specifies the number of column pairs used for the function index tables. The default value is 1.
`{pretty_printer, atom()}`
  Specifies how types and specifications are pretty printed. If the value `erl_pp` is specified the Erlang pretty printer (the module `erl_pp`) will be used. The default is to do no pretty printing which implies that lines can be very long.
`{stylesheet, string()}`
  Specifies the URI used for referencing the stylesheet. The default value is `"stylesheet.css"`. If an empty string is specified, no stylesheet reference will be generated.
`{sort_functions, boolean()}`
  If `true`, the detailed function descriptions are listed by name, otherwise they are listed in the order of occurrence in the source file. The default value is `true`.
`{xml_export, Module::atom()}`
  Specifies an `xmerl` callback module to be used for exporting the documentation. See `xmerl:export_simple/3` for details.

See also: edoc:layout/2.

# overview(Element, Options)

    -spec overview(Element :: term(), Options :: options()) -> term().

# type(Element)

    -spec type(Element :: term()) -> term().