\pageoverlay and \commonoverlay avoid underfulls

diff --git a/ucwmac.tex b/ucwmac.tex
index 4a51b5915f8c8413ed14c194d2672bb606e0eff1..61052ca79ee44a4d2a750f8fb575ef0ca061b575 100644 (file)
--- a/ucwmac.tex
+++ b/ucwmac.tex
@@ -134,8 +134,8 @@
        \pagebody
        \pagebodydepth=\prevdepth
        \nointerlineskip
-       \ifvbox\commonoverlays\vbox to 0pt{\vskip -\vsize\copy\commonoverlays}\nointerlineskip\fi
-       \ifvbox\pageoverlays\vbox to 0pt{\vskip -\vsize\box\pageoverlays}\nointerlineskip\fi
+       \ifvbox\commonoverlays\vbox to 0pt{\vskip -\vsize\copy\commonoverlays\vss}\nointerlineskip\fi
+       \ifvbox\pageoverlays\vbox to 0pt{\vskip -\vsize\box\pageoverlays\vss}\nointerlineskip\fi
        \prevdepth=\pagebodydepth
        \makefootline
 }\advancepageno