A couple of message typos


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4688 de43f980-851b-0410-b2f7-c40aca1f87e0
A few message/line length tidies


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4689 de43f980-851b-0410-b2f7-c40aca1f87e0
Update 'symbolic' fp code as sqrt is now defined in the core part

This leaves open a comment by Bruno in the code about detection of incorrect
numbers of arguments, but that seems to be deliberate (based on said comment).


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4690 de43f980-851b-0410-b2f7-c40aca1f87e0