Article 12 of the proposal for a directive lists the areas where equal treatment would be de rigueur, in other words, almost all of them, except the right to vote.
Hlas landscapes are standard riverbank and boat scenes, often including the "de rigueur" image of a bright-red flamboyant tree.
There is an accompanying glossary, index and disappointingly brief recommended reading list and no mention of relevant websites which surely are de rigueur these days.
This is an almost de rigueur comment by reference book editors.
As is de rigueur in generative phonology, the input is a phonological representation of the same type as the output.
As with other middle and upper class women who joined the war effort, uniforms were de rigueur.
In experimental cognitive science it is regarded as de rigueur to establish measures of inter- and intra-rater reliability when dealing with the classification of data that are at all ambiguous.
In twentieth-century domestic architecture, the well-proportioned rectangular plan with carefully-placed objects within it, surrounded by a taut enclosing skin composed like a still life, was (and still is) de rigueur.
