l3build: "help = help or" is needed for l3kernel

l3kernel needs to provide a custom version of the help text.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5097 de43f980-851b-0410-b2f7-c40aca1f87e0
l3build: Use tdsroot for doc installation

As the tdsroot is customisable for .tex, etc., files, it also needs to be
for PDFs, etc.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5098 de43f980-851b-0410-b2f7-c40aca1f87e0
Update testfiles for XeTeX/LuaTeX to reflect latest change in l3keys


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5099 de43f980-851b-0410-b2f7-c40aca1f87e0
l3build: Use "/" for diff listing in all cases

As in the Windows case the testdir format is 'odd' anyway, may as well use
"/" for all separators. Perhaps fix properly for Windows by applying
format change.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5100 de43f980-851b-0410-b2f7-c40aca1f87e0