Fix line numbers in acks

Fix issue with line numbers in acknowledgements even if nolinenumbers is set.
AASJournals · Sep 8, 2023 · 4c1e59d · 4c1e59d
1 parent f08a8bf
commit 4c1e59d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/cls/aastex631.cls b/cls/aastex631.cls
@@ -1236,7 +1236,7 @@ when using acknowledgments. For more details, see:\\
 \fi\go
 %%
 \global\setbox\ackbox=\vbox\bgroup
-\expandafter\ifx\csname internallinenumbers\endcsname\relax\else
+\ifnumlines
 \begin{internallinenumbers}
 \fi
 \vskip 5.8mm plus 1mm minus 1mm
@@ -1245,7 +1245,7 @@ when using acknowledgments. For more details, see:\\
 \noindent\ignorespaces}
 
 \def\endacknowledgments{
-\expandafter\ifx\csname internallinenumbers\endcsname\relax\else
+\ifnumlines
 \end{internallinenumbers}
 \fi
 \egroup%% completes ackbox