Hello,
here I attach I simple example, with a url in a foot note.
Tex gives the error:
! Undefined control sequence
etc...
I am using RedHat 5.2 in a PC.
__o
_ \<_
(_)/(_)
#This file was created by Fri Jun 25 14:10:24 1999
#LyX 1.0 (C) 1995-1999 Matthias Ettrich and the LyX Team
\lyxformat 2.15
\textclass book
\language default
\inputencoding default
\fontscheme default
\graphics default
\paperfontsize default
\spacing single
\papersize Default
\paperpackage a4
\use_geometry 0
\use_amsmath 0
\paperorientation portrait
\secnumdepth 2
\tocdepth 2
\paragraph_separation indent
\defskip medskip
\quotes_language english
\quotes_times 2
\papercolumns 1
\papersides 2
\paperpagestyle default
\layout Title
TEST
\layout Chapter
Hello
\layout Section
Section 1
\begin_float footnote
\layout Standard
\begin_inset LatexCommand \url{http://sgfd.gsfg.gfdg-gdfg.de/~flexnet/}
\end_inset
\end_float
\layout Standard
Bab lba lbab bla bla bla bla bal balb.
bla, blab.
Bab lba lbab bla bla bla bla bal balb.
bla, blab.
Bab lba lbab bla bla bla bla bal balb.
bla, blab.Bab lba lbab bla bla bla bla bal balb.
bla, blab.
\layout Standard
Bab lba lbab bla bla bla bla bal balb.
bla, blab.Bab lba lbab bla bla bla bla bal balb.
bla, blab.Bab lba lbab bla bla bla bla bal balb.
bla, blab.
Bab lba lbab bla bla bla bla bal balb.
bla, blab.
\the_end