Work around lack of support for \if... in latex2html.
diff --git a/Doc/lib/libstdwin.tex b/Doc/lib/libstdwin.tex
index ef3ff1c..146457a 100644
--- a/Doc/lib/libstdwin.tex
+++ b/Doc/lib/libstdwin.tex
@@ -838,12 +838,16 @@
A rectangle
\code{(\var{left}, \var{top}), (\var{right}, \var{bottom})}
is empty if
+%begin{latexonly}
\iftexi
+%end{latexonly}
\code{\var{left} >= \var{right}} or \code{\var{top} => \var{bottom}}.
+%begin{latexonly}
\else
$\var{left} \geq \var{right}$ or $\var{top} \geq \var{bottom}$.
%%JHXXX\emph{left~$\geq$~right} or \emph{top~$\leq$~bottom}.
\fi
+%end{latexonly}
\end{funcdesc}
\begin{funcdesc}{intersect}{list}
@@ -873,13 +877,17 @@
\code{(\var{h}, \var{v})}
is inside a rectangle
\code{(\var{left}, \var{top}), (\var{right}, \var{bottom})} if
+%begin{latexonly}
\iftexi
+%end{latexonly}
\code{\var{left} <= \var{h} < \var{right}} and
\code{\var{top} <= \var{v} < \var{bottom}}.
+%begin{latexonly}
\else
$\var{left} \leq \var{h} < \var{right}$ and
$\var{top} \leq \var{v} < \var{bottom}$.
\fi
+%end{latexonly}
\end{funcdesc}
\begin{funcdesc}{inset}{rect, \(dh, dv\)}