Use \prg_new_eq_conditional rather than multiple \cs_new_eq

Many of the \<type>_if_exist:N(TF) conditionals are
identical to the \cs_if_exist:N(TF) ones.  The definitions
were copied using \cs_new_eq:NN rather than the dedicated
\prg_new_eq_conditional:NNn function.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4411 de43f980-851b-0410-b2f7-c40aca1f87e0
DocStrip out latest batch of deprecated commands

All of these have 'expired', so there should be no issues!


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4412 de43f980-851b-0410-b2f7-c40aca1f87e0
Fix xparse's default options (fixes #137)

The default for xparse has always been to log changes unles
specified otehrwise. The switch to keyval options missed this:
fixed here.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4413 de43f980-851b-0410-b2f7-c40aca1f87e0
Typo (in a deprecated function definition)


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4414 de43f980-851b-0410-b2f7-c40aca1f87e0
Change a cs_if_exist to tl_if_exist in a tl function


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4415 de43f980-851b-0410-b2f7-c40aca1f87e0