set_alt_attr: Set the alt text for a nodeset of images

In carpentries/pegboard: Explore and Manipulate Markdown Curricula from the Carpentries

Set the alt text for a nodeset of images

Description

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.

carpentries/pegboard documentation built on Nov. 13, 2024, 8:53 a.m.