Request commands

These commands apply regardless of where in the request they appear.

cache	Overrides default response caching behavior.
defaultImage	Specifies the image to be used instead of a missing image file.
fmt	Specifies the image format.
icc	Sets the output color profile.
iccEmbed	Embeds color profile in the reply image.
pathEmbed	Embeds Photoshop paths data in the reply image.
xmpEmbed	Embeds XMP metadata in the reply image.
printRes	Specifies the print resolution value embedded in the reply image.
qlt	Specifies the JPEG encoding attributes.
quantize	Specifies color quantization attributes for GIF output.
req	Selects the request type.
resMode	Specifies image resampling or interpolation mode.
template	Specifies a compositing template.
locale	Specifies a compositing template.
id	Image/metadata version ID.
imageSet	Specifies image set to use for this request.