Documentation tweak for \tl_(g)trim_spaces:N


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4625 de43f980-851b-0410-b2f7-c40aca1f87e0
Stick to one spelling: 'color'


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4626 de43f980-851b-0410-b2f7-c40aca1f87e0