6 files changed, 22 insertions, 12 deletions
diff --git a/Master/texmf-dist/doc/latex/parskip/MANIFEST.md b/Master/texmf-dist/doc/latex/parskip/MANIFEST.md
index ec8a0eebe0b..349bd5e50c0 100644
--- a/Master/texmf-dist/doc/latex/parskip/MANIFEST.md
+++ b/Master/texmf-dist/doc/latex/parskip/MANIFEST.md
@@ -58,6 +58,7 @@ the same output. These output files are sometimes shared and sometime specific f
 different engines (pdfTeX, XeTeX, LuaTeX, etc.).
 
 * github-0012.lvt 
+* github-0014.lvt 
 * parskip-000.lvt 
 * parskip-001.lvt 
 * parskip-002.lvt 
@@ -67,6 +68,7 @@ different engines (pdfTeX, XeTeX, LuaTeX, etc.).
 * parskip-006.lvt 
 * sx-450551.lvt 
 * github-0012.tlg 
+* github-0014.tlg 
 * parskip-000.tlg 
 * parskip-001.tlg 
 * parskip-002.tlg 
diff --git a/Master/texmf-dist/doc/latex/parskip/changes.txt b/Master/texmf-dist/doc/latex/parskip/changes.txt
index db84ddd38b8..6cdccbc1d55 100644
--- a/Master/texmf-dist/doc/latex/parskip/changes.txt
+++ b/Master/texmf-dist/doc/latex/parskip/changes.txt
@@ -1,3 +1,10 @@
+#### placed on CTAN as 2.0f ####
+
+2020-06-15  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* parskip.dtx (subsubsection{Option handling}):
+	Allow skip key without value without a package error (gh/14)
+
 #### placed on CTAN as 2.0e ####
 
 2020-05-19  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
diff --git a/Master/texmf-dist/doc/latex/parskip/parskip-code.pdf b/Master/texmf-dist/doc/latex/parskip/parskip-code.pdf
index becb2250a98..0aebb0a149e 100644
--- a/Master/texmf-dist/doc/latex/parskip/parskip-code.pdf
+++ b/Master/texmf-dist/doc/latex/parskip/parskip-code.pdf
diff --git a/Master/texmf-dist/doc/latex/parskip/parskip.pdf b/Master/texmf-dist/doc/latex/parskip/parskip.pdf
index bb9dff02603..37bac82767c 100644
--- a/Master/texmf-dist/doc/latex/parskip/parskip.pdf
+++ b/Master/texmf-dist/doc/latex/parskip/parskip.pdf
diff --git a/Master/texmf-dist/source/latex/parskip/parskip.dtx b/Master/texmf-dist/source/latex/parskip/parskip.dtx
index eea08157f68..6b4f87b48b0 100644
--- a/Master/texmf-dist/source/latex/parskip/parskip.dtx
+++ b/Master/texmf-dist/source/latex/parskip/parskip.dtx
@@ -183,7 +183,7 @@
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\ProvidesPackage{parskip}[2020-05-19 v2.0e non-zero parskip adjustments]
+\ProvidesPackage{parskip}[2020-06-15 v2.0f non-zero parskip adjustments]
 %    \end{macrocode}
 %
 %
@@ -219,9 +219,11 @@
 %   flexibility. If given, one need to provide an explicit value which
 %   is then used as a separation (and it needs to contain any extra
 %   stretch if that is wanted, i.e., there is no extra stretch added
-%   in this case).
+%   in this case). 
+% \changes{v2.0f}{2020/06/15}{Allow \texttt{skip} key without value
+%          without a package error (gh/14)}
 %    \begin{macrocode}
-\DeclareStringOption{skip}
+\DeclareStringOption{skip}[]
 %    \end{macrocode}
 %
 %    The key \option{tocskip} defines the vertical separation inside the lists
@@ -244,11 +246,10 @@
 \ifx\parskip@skip\@empty
 %    \end{macrocode}
 %    If no \option{skip} was given (or it was empty) set \cs{parskip}
-%    to \verb=.5\baselineskip= plus \texttt{2pt} stretch. This has to
-%    be done in 2 steps as \cs{baselineskip} might already contain a stretch.
+%    to half of \verb=.5\baselineskip= plus \texttt{2pt} stretch. Stretch
+%    or shrink inside \cs{baselineskip} is ignored in this case.
 %    \begin{macrocode}
-  \parskip.5\baselineskip
-  \advance\parskip 0pt plus 2pt\relax
+  \parskip=.5\baselineskip plus 2pt\relax
 \else
 %    \end{macrocode}
 %    Otherwise set it to the specified value:
@@ -294,7 +295,8 @@
 %   \topsep = \z@ % add nothing to \parskip before first item
 %\end{verbatim}
 %
-%    However, if the user explicitly asked for a zero parskip (via the \option{skip} option) we
+%    However, if the user explicitly asked for a zero parskip (via the
+%    \option{skip} option) we
 %    shouldn't do this but rather keep the default list settings, so
 %    we better check for this.
 %
diff --git a/Master/texmf-dist/tex/latex/parskip/parskip.sty b/Master/texmf-dist/tex/latex/parskip/parskip.sty
index 5680a59c78c..71b0946079e 100644
--- a/Master/texmf-dist/tex/latex/parskip/parskip.sty
+++ b/Master/texmf-dist/tex/latex/parskip/parskip.sty
@@ -40,17 +40,16 @@
 
 \DeclareRelease       {v1}{2001-04-09}{parskip-2001-04-09.sty}
 \DeclareCurrentRelease{v2}{2018-08-24}
-\ProvidesPackage{parskip}[2020-05-19 v2.0e non-zero parskip adjustments]
+\ProvidesPackage{parskip}[2020-06-15 v2.0f non-zero parskip adjustments]
 \RequirePackage{kvoptions}
 \SetupKeyvalOptions{family=parskip,prefix=parskip@}
 \DeclareStringOption[0pt]{indent}[\parindent]
 \DeclareStringOption[0pt]{parfill}[30pt]
-\DeclareStringOption{skip}
+\DeclareStringOption{skip}[]
 \DeclareStringOption[0pt]{tocskip}[\parskip]
 \ProcessKeyvalOptions*
 \ifx\parskip@skip\@empty
-  \parskip.5\baselineskip
-  \advance\parskip 0pt plus 2pt\relax
+  \parskip=.5\baselineskip plus 2pt\relax
 \else
   \setlength\parskip\parskip@skip
 \fi