[kde-doc-english] Using superscript in <gui...> markup

[Burkhard Lück]

Hi,

updating kcalc docs I tried to use superscript in <guibutton> markup, but 
failed because checkXML reported an error like:

index.docbook:208: element guibutton: validity error : Element superscript is 
not declared in guibutton list of possible children
<row><entry>&Shift; <guibutton><superscript>Sin</superscript></guibutton>

According to http://www.docbook.org/tdg/en/html/guibutton.html (link provided 
by Yuri, thanks) superscript|subscript should be allowed inside <guibutton> 
markup.

Any idea why checkXML/meinproc4 does not allow superscript|subscript inside 
<guibutton> markup?

-- 
Burkhard Lück