chemnum (15aug12)

git-svn-id: svn://tug.org/texlive/trunk@27415 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 18 insertions, 6 deletions

diff --git a/Master/texmf-dist/tex/latex/chemnum/chemnum.sty b/Master/texmf-dist/tex/latex/chemnum/chemnum.sty
index de0c482a20d..6e10487e00c 100644
--- a/Master/texmf-dist/tex/latex/chemnum/chemnum.sty
+++ b/Master/texmf-dist/tex/latex/chemnum/chemnum.sty
@@ -3,7 +3,7 @@
 % - a comprehensive approach for the numbering of chemical compounds
 % -----------------------------------------------------------------------------
 % - Clemens NIEDERBERGER
-% - 2012/05/17
+% - 2012/08/15
 % - contact@mychemistry.eu
 % -----------------------------------------------------------------------------
 % - If you have any ideas, questions, suggestions or bugs to report, please
@@ -31,8 +31,8 @@
 
 \ProvidesExplPackage
   {chemnum}
-  {2012/07/24}
-  {0.5c}
+  {2012/08/15}
+  {0.5d}
   {An approach for the numbering of chemical compounds}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -57,14 +57,14 @@
       }
     \tex_endinput:D
   }
-\@ifpackagelater { expl3 } { 2011/09/17 }
+\@ifpackagelater { expl3 } { 2011/12/27 }
   { }
   {
     \msg_error:nnx { chemnum } { support-outdated } { expl3 }
     \tex_endinput:D
   }
 
-\@ifpackagelater { xparse } { 2011/09/17 }
+\@ifpackagelater { xparse } { 2011/12/27 }
   { }
   {
     \msg_error:nnx { chemnum } { support-outdated } { xparse }
@@ -1476,7 +1476,18 @@
               \int_use:N \l_chemnum_cmpdref_int
             }
         }
-        { \tl_set:Nn \l_chemnum_cmpdref_tl { #2 } }
+        {
+          \tl_if_blank:nTF { #2 }
+            {
+              \int_incr:N \l_chemnum_cmpdref_int
+              \tl_set:No \l_chemnum_cmpdref_tl
+                {
+                  \tl_use:N \l_chemnum_cmpdref_marker_tl
+                  \int_use:N \l_chemnum_cmpdref_int
+                }
+            }
+            { \tl_set:Nn \l_chemnum_cmpdref_tl { #2 } }
+        }
     \IfNoValueTF { #3 }
         {
           % need to call it once invisible in case it's the first time the label
@@ -1666,6 +1677,7 @@ HISTORY:
                            https://groups.google.com/d/topic/de.comp.text.tex/LF0knPIuqrM/discussio
                            for possible reasons why
  2012/07/24 version 0.5c - adapted to changes in l3kernel
+ 2012/08/15 version 0.5d - fixed bug in \cmpdref
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % TODO:
  - add a possibility to \ref{} the compounds