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Set the alt text for a nodeset of images

Source: R/get_images.R
set_alt_attr.Rd

This finds the attribute curly braces after an image declaration, extracts the alt text, and adds it as an attribute to the image, which is useful in parsing the XML, and will not affect rendering.

Usage

set_alt_attr(images, xpath, ns)

Arguments

images

a nodeset of images

xpath

an XPath expression that finds the first curly brace immediately after a node.

ns

the namespace of the XML

Value

the nodeset, invisibly.

Note

this function assumes that the images entering have a curly brace following.