That depends.  They look like Component or Feature ID's.  In which case, 
install states are being evaluated.

The link Phil points to is definitive.

--
John Merryweather Cooper
Build & Install Engineer - ESA
Jack Henry & Associates, Inc.®
Shawnee Mission, KS  66227
Office:  913-341-3434 x791011
jocoo...@jackhenry.com
www.jackhenry.com



-----Original Message-----
From: George Fleming [mailto:gef...@microsoft.com] 
Sent: Monday, May 12, 2014 12:15 PM
To: WiX-users@lists.sourceforge.net
Subject: [WiX-users] What does '&' and '!' inside CDATA[] do?

Does anyone know the meaning of '!' and '&' in front of "AAA" below?

    <Custom Action='_xxx' After='_yyy'>
      <![CDATA[!AAA=3 And PATCH And BBB=0]]>
    </Custom>

    <Custom Action='_zzz' After='_xxx'>
      <![CDATA[&AAA=3 And CCC<>1 And DDD=1]]>
    </Custom>

Thanks,

George

------------------------------------------------------------------------------
"Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE 
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available 
Simple to use. Nothing to install. Get started now for free."
http://p.sf.net/sfu/SauceLabs
_______________________________________________
WiX-users mailing list
WiX-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wix-users
NOTICE: This electronic mail message and any files transmitted with it are 
intended
exclusively for the individual or entity to which it is addressed. The message, 
together with any attachment, may contain confidential and/or privileged 
information.
Any unauthorized review, use, printing, saving, copying, disclosure or 
distribution 
is strictly prohibited. If you have received this message in error, please 
immediately advise the sender by reply email and delete all copies.


------------------------------------------------------------------------------
"Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free."
http://p.sf.net/sfu/SauceLabs
_______________________________________________
WiX-users mailing list
WiX-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wix-users

Reply via email to