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Primitive-constructors

U_

Construct an XDOC tree for HTML underlined text <u>...</u>.

See the primitive constructors topic for information about the kind of arguments that must be passed to this constructor.

Macro: u_

(defmacro u_ (&rest args)
  (mv-let (trees attributes)
          (partition-macro-args args 'u_)
    (let ((attributes (keyword-macro-args-to-terms attributes)))
      (list 'u_-fn
            (cons 'list attributes)
            (cons 'list trees)))))

Definitions and Theorems

Function: u_-fn

(defun u_-fn (attributes trees)
  (declare (xargs :guard (and (keyword-tree-alistp attributes)
                              (tree-listp trees))))
  (make-tree-tag :u attributes trees))

Theorem: stringp-of-u_

(defthm stringp-of-u_
  (equal (treep (u_-fn attributes trees))
         (and (keyword-tree-alistp attributes)
              (tree-listp trees))))