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alt — Text representation for a graphical element
A text (or other nonvisual) description of a graphical element. This is intended to be an alternative to the graphical presentation.
May be formatted inline or as a displayed block, depending on context. Sometimes suppressed.
These elements contain alt: equation, informalequation, inlineequation.
audioobject, caption, graphic, imageobject, inlinegraphic, inlinemediaobject, mediaobject, textobject, videoobject.
For examples, see equation, informalequation, inlineequation .
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