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[Bug 23643] Convenient operator for transform expressions

From: <bugzilla@jessica.w3.org>
Date: Mon, 28 Oct 2013 23:49:30 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-23643-523-PJJone2lhn@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23643

--- Comment #5 from Christian Gruen <christian.gruen@gmail.com> ---
I noticed that "modify" is no viable alternative, as it would get in conflict
with the existing keyword, when being used in the transform expression:

  copy $c := <c/> modify insert node <X/> into $c return $c

Other alternatives for "!!" could be the keyword "update", the special
character "~" or "<<" (to indicate that the following expressions have affect
the lefthand operand):

  <c/> !! insert node <X/> into .
  <c/> << insert node <X/> into .
  <c/> ~  insert node <X/> into .
  <c/> update insert node <X/> into .

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