diffcoeff (10mar19)

git-svn-id: svn://tug.org/texlive/trunk@50320 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 5 insertions, 6 deletions

diff --git a/Master/texmf-dist/tex/latex/diffcoeff/diffcoeff.sty b/Master/texmf-dist/tex/latex/diffcoeff/diffcoeff.sty
index 63be1a33dbc..71689c911e7 100644
--- a/Master/texmf-dist/tex/latex/diffcoeff/diffcoeff.sty
+++ b/Master/texmf-dist/tex/latex/diffcoeff/diffcoeff.sty
@@ -9,7 +9,7 @@
 %
 \RequirePackage{expl3}
 \RequirePackage{xparse,l3keys2e,xtemplate}
-\ProvidesExplPackage {diffcoeff} {2019/01/01} {3} 
+\ProvidesExplPackage {diffcoeff} {2019/03/10} {3.1} 
   {Write differential coefficients consistently and easily.}
 %
 \keys_define:nn { diffcoeff }
@@ -258,7 +258,8 @@
   }
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % differential
-% #1 = space before d (0--9); mu is assumed
+% #1 variant; #2 = space in mu before d (0--9)
+% note \group_end placement for \vec{x} etc
 \NewDocumentCommand \dl { d.. m }
   {
     \group_begin:
@@ -271,9 +272,8 @@
         \l__diffcoeff_orders_seq \l__diffcoeff_tot_order_tl
         \c_empty_tl \c_empty_seq \c_empty_tl
     \tl_if_in:NnTF \c__diffcoeff_digits_tl { #2 }
-      { \mkern #2 mu \l__diffcoeff_op_tl } 
-      { \l__diffcoeff_op_tl #2 }
-    \group_end:
+      { \mkern #2 mu \l__diffcoeff_op_tl \group_end: }
+      { \l__diffcoeff_op_tl \group_end: #2 }
   }
 \NewDocumentCommand \negmu {} { \mkern -1 mu }
 \NewDocumentCommand \nilmu {} { \mkern 0 mu }
@@ -295,7 +295,6 @@
     \int_set:Nn \l__diffcoeff_vars_int 
         { \seq_count:N \l__diffcoeff_vars_seq }
     \int_set:Nn \l_tmpb_int { \seq_count:N \l__diffcoeff_orders_seq }
-    
     \int_compare:nNnTF { \l__diffcoeff_vars_int } = { 1 }
       { \bool_set_true:N \l__diffcoeff_single_var_bool }
       {