Added note about the necessity of using the Cygnus DocBook tools (rather
than, e.g., SuSE).
tools</ULink>, which is the most shrink-wrapped SGML suite that we
could find. Unfortunately, it's only packaged as RPMs. You can use it
to generate HTML, DVI (and hence PDF and Postscript) and RTF from any
-DocBook source file (including this manual).
+DocBook source file (including this manual). N.B. The <Emphasis>Cygnus</Emphasis> version of the tools is assumed. Others, such as the SuSE version, may not work.
</Para>
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