Formulas must have appropriate alternate text
Rule ID:
alt-text-formula
Ruleset:
axe-pdf 2.0
User Impact:
Critical
Guidelines:
WCAG 2.1 (A), WCAG 2.0 (A), PDF/UA
How to Fix the Problem
In Adobe Acrobat Pro:
- Open the Tags Pane.
- Right-click the Formula tag.
- Select Properties.
- In the Tag tab, write the appropriate alternate text for the formula within the Alternate Text field.
Why it Matters
Currently, Formula tags are not properly voiced by screen readers and function in the same capacity as Figure tags. Therefore, they require alternate text.
Rule Description
Formula tags require an alternate text entry.
The Algorithm (in simple terms)
Formulas in PDF documents must have alternate text.