• From: Dan Shelton <dan.f.shelton@g...>
• To: xml-dev@l...
• Date: Mon, 2 Jul 2012 20:48:09 +0200

Does anyone here know whether newlines, form feed or vertical feed are
valid within an attribute value (I hope not, otherwise it would make
it a lot harder to write a fast xml parser using regex alone)?

---------- Forwarded message ----------
From: Dan Shelton <dan.f.shelton@g...>
Date: 1 July 2012 17:35
Subject: Re: newline/form feed valid as attribute value?
To: xml@g...


On 1 July 2012 17:06, Dan Shelton <dan.f.shelton@g...> wrote:
> In which context are newlines valid values, i.e. is a newline
> character or a form feed a valid character in an attribute value?

Clarifying the question:
Is this a valid xml fragment:
-----cut-----
<mytag myattribute="hello
 world">sometext</mytag>
-----cut-----
Or as UNIX(TM) shell code:
/usr/bin/printf '/<mytag myattribute="hello \n world">sometext</mytag>'

Same with form feed:
/usr/bin/printf '/<mytag myattribute="hello \f world">sometext</mytag>'
Is this valid?

Or with vertical feed:
/usr/bin/printf '/<mytag myattribute="hello \v world">sometext</mytag>'
Is this valid?

• Follow-Ups:
  • Re: newline/form feed valid as attribute value?
    • From: Michael Kay <mike@s...>
  • Re: newline/form feed valid as attribute value?
    • From: David Carlisle <davidc@n...>
  • Re: newline/form feed valid as attribute value?
    • From: "G. Ken Holman" <gkholman@C...>