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12.9.10 Text areas in HTML export

Before Org mode’s Babel, one popular approach to publishing code in HTML was by using ‘:textarea’. The advantage of this approach was that copying and pasting was built into browsers with simple JavaScript commands. Even editing before pasting was made simple.

The HTML export back-end can create such text areas. It requires an ‘#+ATTR_HTML’ line as shown in the example below with the ‘:textarea’ option. This must be followed by either an example or a source code block. Other Org block types do not honor the ‘:textarea’ option.

By default, the HTML export back-end creates a text area 80 characters wide and height just enough to fit the content. Override these defaults with ‘:width’ and ‘:height’ options on the ‘#+ATTR_HTML’ line.

#+ATTR_HTML: :textarea t :width 40
#+BEGIN_EXAMPLE
  (defun org-xor (a b)
     "Exclusive or."
     (if a (not b) b))
#+END_EXAMPLE