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size, spacing
Normally, HTML use variable letter _______ and variable letter _______
fixed
The <kbd>, <samp>, and <code> elements all support _______ letter size and spacing
<kbd>
Defines keyboard input
<samp>
Defines sample output from a computer program
<code>
Defines a piece of computer code
<samp></samp>
sample text tags
extra whitespace and line-breaks
The <code> element does not preserve _______
<code><pre>code sample</pre></code>
syntax of a piece of computer code preserving whitespace and line-breaks
<var>
Defines a mathematical variable