Subject: RE: [xsl] Mysterious 0utput Escaping From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Sat, 23 Feb 2008 09:21:13 -0000 |
In the context of XML, escaping a character means replacing the character by an entity reference or character reference, for example replacing < by < or " by ". (Why this is called "escaping" is essentially historical; it's an analogy with the use of escape sequences in ASCII-based line protocols, for example the use of a sequence like "ESC [ G" to set a dot-matrix printer into italics mode). So "output escaping" means turning special characters such as "<" appearing in the output of a transformation into their escaped representations such as "<". disable-output-escaping="yes" suppresses this behaviour. You never need to say disable-output-escaping="no", because it is the default and almost invariably the right setting. I've often wondered if the language designers chose a long name for the attribute in the hope that people wouldn't use it carelessly; in practice I have seen some evidence that beginners don't know what output escaping is and therefore think it might be a good idea to switch it off. Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: Marroc [mailto:marrocdanderfluff@xxxxxxxxxxx] > Sent: 22 February 2008 11:03 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] Mysterious 0utput Escaping > > Hi all, > > I also want to know the meaning of "output escaping", as in a > dictionary definition, because I can't relate it to any use > of those words in their normal, everyday sense. Does it mean > that we allow the output 'to escape'. > It's also, by default, used as a double-negative: > disable-output-escaping="no" which is silly really - > output-escaping="yes they are"??? Can anyone help? > > Richard
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