set hsize for plain tex, but only for

positive line widths.

diff --git a/tex/lilyponddefs.tex b/tex/lilyponddefs.tex
index ee34af8bbaf19cfc1eb5773ab91c1d0387f075a4..5cef0c11dd386c80716adaa19dfb016020902913 100644 (file)
--- a/tex/lilyponddefs.tex
+++ b/tex/lilyponddefs.tex
@@ -42,7 +42,7 @@
   \input lilypond-plaintex
 
 %% make plain work ok Out Of The Box
-  \ifnum0<\lilypondpaperlinewidth
+  \ifdim0pt<\lilypondpaperlinewidth\lilypondpaperunit
   \hsize=\lilypondpaperlinewidth\lilypondpaperunit
   \fi
 \else