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<p>
The structure of an HTML input file is just like a regular HTML file, but it
doesn't have any header, footer, menu or other boilerplate code. Its content
is processed and then put into a "content div" block.
</p>
<p>
The special file <tt>template.html</tt> is read once, and its placeholders
replaced by content for each input file to generate the output files. Known
placeholders are as follows:
</p>
<dl>
<dt>#TITLE#</dt><dd>The page's title (from the menu)</dd>
<dt>#MAINMENU#</dt><dd>The toplevel menu items in a horizontal layout</dd>
<dt>#SIDEMENU#</dt><dd>A menu structure appropriate for the current page</dd>
<dt>#CONTENT#</dt><dd>The actual content of the input file (after processing)
</dd>
<dt>#CONTENTCLASS#</dt><dd>When no side menu is present, set to
<tt>center</tt>, else to <tt>right</tt>.</dd>
</dl>
<p>
The processing step mentioned above detects code blocks delimited by
<%= ..... %>, replacing them by the output of the Lua code contained
therein. This code is executed in a limited environment providing a few
functions:
</p>
<dl>
<dt>copy_function(filename, functionname)</dt><dd>Open the given Lua file,
and look for the given function. The function body is extracted,
highlighted and returned.</dd>
<dt>inline_code(s, ...)</dt><dd>The first argument is the code to display;
it is highlighted. The opional additional arguments are appended to the
code verbatim and might be used for a short explanation.</dd>
</dl>
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