expkv-def (18sep21)

git-svn-id: svn://tug.org/texlive/trunk@60538 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 20 insertions, 7 deletions

diff --git a/Master/texmf-dist/tex/generic/expkv-def/expkv-def.tex b/Master/texmf-dist/tex/generic/expkv-def/expkv-def.tex
index 9c3af184d8b..5eeeea3ad02 100644
--- a/Master/texmf-dist/tex/generic/expkv-def/expkv-def.tex
+++ b/Master/texmf-dist/tex/generic/expkv-def/expkv-def.tex
@@ -35,8 +35,8 @@
 \else
   \expandafter\endinput
 \fi
-\def\ekvdVersion{0.8a}
-\def\ekvdDate{2021-05-24}
+\def\ekvdVersion{0.8b}
+\def\ekvdDate{2021-09-18}
 \csname ekvd@tmp\endcsname
 \expandafter\chardef\csname ekvd@tmp\endcsname=\catcode`\@
 \catcode`\@=11
@@ -193,14 +193,19 @@
   }
 \long\def\ekvd@type@initial#1#2#3#4%
   {%
-    \ekvd@assert@arg
+    \ekvd@assert@not@new
+    \ekvd@assert@not@also
+    \ekvd@assert@not@long
+    \ekvd@assert@not@protected
+    \ekvd@ifnoarg
+      {%
+        \ekvifdefinedNoVal\ekvd@set{#3}%
+          {\csname\ekv@name\ekvd@set{#3}N\endcsname}%
+          {\ekvd@err@undefined@noval{#3}}%
+      }%
       {%
         \ekvifdefined\ekvd@set{#3}%
           {%
-            \ekvd@assert@not@new
-            \ekvd@assert@not@also
-            \ekvd@assert@not@long
-            \ekvd@assert@not@protected
             #1{#2#4}%
             \csname\ekv@name\ekvd@set{#3}\expandafter\endcsname\expandafter
               {\ekvd@tmp}%
@@ -843,6 +848,14 @@
     \ekvd@errm
       {Undefined key `\unexpanded{#1}' found while processing `\ekvd@cur'}%
   }
+\protected\def\ekvd@err@undefined@noval#1%
+  {%
+    \ekvd@errm
+      {%
+        Undefined noval key `\unexpanded{#1}' found while processing
+        `\ekvd@cur'%
+      }%
+  }
 \protected\def\ekvd@err@no@prefix#1%
   {\ekvd@errm{prefix `#1' not accepted in `\ekvd@cur'}}
 \protected\def\ekvd@err@no@prefix@msg#1#2%