trim

trim(arr, empty-contents: ([], [ ], parbreak(), linebreak()))(source)

Remove leading and trailing empty elements from an array of content.

Example: trim(([], [ ], parbreak(), linebreak(), [a], [ ], [b], [c], linebreak(), parbreak(), [ ], [ ])) returns ([a], [ ], [b], [c])

Parameters

arr : array

The array of content to trim.

empty-contents : array    default: ([], [ ], parbreak(), linebreak())

An array of content elements considered empty. Default is ([], [ ], parbreak(), linebreak()).

Returns: array