[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: My XPath mistakenly referenced an element that do

Subject: Re: My XPath mistakenly referenced an element that doesn't exist and I got no error message ... is this bad language design?
From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Oct 2021 16:37:22 -0000
Re:  My XPath mistakenly referenced an element that  do
> > Even adding req() as a synonym for one-or-more() might be enough to
encourage people to write req(Document)/req(foo) in order to get better
diagnostics.
>
> Why not just:
>
>        req(Document/foo)
>

The finer-grained form would enable more precise diagnostics.

And they aren't equivalent: if there are two Document elements, only one of
which has a foo child, one expression would fail and the other would succeed.

Michael Kay
Saxonica

Current Thread

PURCHASE STYLUS STUDIO ONLINE TODAY!

Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!

Buy Stylus Studio Now

Download The World's Best XML IDE!

Accelerate XML development with our award-winning XML IDE - Download a free trial today!

Don't miss another message! Subscribe to this list today.
Email
First Name
Last Name
Company
Subscribe in XML format
RSS 2.0
Atom 0.3
Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member
Stylus Studio® and DataDirect XQuery ™are products from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2013 All Rights Reserved.