Switch line numbering off/on for twncolumn case

Solution from AASJournals/AASTeX60#130
seawander · Jun 5, 2021 · 78f251d · 78f251d
1 parent 7854f15
commit 78f251d
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/aastex631.cls b/aastex631.cls
@@ -1242,7 +1242,7 @@ when using acknowledgments. For more details, see:\\
 %%
 \global\setbox\ackbox=\vbox\bgroup
 \expandafter\ifx\csname internallinenumbers\endcsname\relax\else
-\begin{internallinenumbers}
+\ifnumlines\begin{internallinenumbers}\fi
 \fi
 \vskip 5.8mm plus 1mm minus 1mm
 \vskip1sp
@@ -1251,7 +1251,7 @@ when using acknowledgments. For more details, see:\\
 
 \def\endacknowledgments{
 \expandafter\ifx\csname internallinenumbers\endcsname\relax\else
-\end{internallinenumbers}
+\ifnumlines\end{internallinenumbers}\fi
 \fi
 \egroup%% completes ackbox
 \ifanonymous
@@ -1298,7 +1298,7 @@ For more details, see:\\
 %%
 \global\setbox\ackbox=\vbox\bgroup
 \expandafter\ifx\csname internallinenumbers\endcsname\relax\else
-\begin{internallinenumbers}
+\ifnumlines\begin{internallinenumbers}\fi
 \fi
 \vskip 5.8mm plus 1mm minus 1mm
 \vskip1sp
@@ -1307,7 +1307,7 @@ For more details, see:\\
 
 \def\endacknowledgements{
 \expandafter\ifx\csname internallinenumbers\endcsname\relax\else
-\end{internallinenumbers}
+\ifnumlines\end{internallinenumbers}\fi
 \fi
 \egroup%% completes ackbox
 \ifanonymous