[Tugindia] British hyphenation pattern

[H S Rai]

I  wish  to  use  british  hyphenation  patterns. Below  signature  is
appended  source and  error. It seems  that ukenglish  pattern is  not
loaded. I was  trying on RedHat8.0 default  installation. Where I went
wrong?

-- 
H.S.Rai

-----------------------------------------------------------
	t.tex
-----------------------------------------------------------
\documentclass{article}
\usepackage[UKenglish,english]{babel}
\begin{document}
  \hyphenrules{english} \showhyphens{rational}
  \hyphenrules{ukenglish} \showhyphens{rational}
\end{document}

-----------------------------------------------------------
	On latex t.tex
-----------------------------------------------------------
This is TeX, Version 3.14159 (Web2C 7.3.1)
(t.tex
LaTeX2e <2000/06/01>
Babel <v3.7h> and hyphenation patterns for american, french, german,
ngerman, italian, nohyphenation, loaded.
(/usr/share/texmf/tex/latex/base/article.cls
Document Class: article 2000/05/19 v1.4b Standard LaTeX document class
(/usr/share/texmf/tex/latex/base/size10.clo))
(/usr/share/texmf/tex/generic/babel/babel.sty
(/usr/share/texmf/tex/generic/babel/english.ldf
(/usr/share/texmf/tex/generic/babel/babel.def))
(/usr/share/texmf/tex/generic/babel/english.ldf)) (t.aux)
Underfull \hbox (badness 10000) in paragraph at lines 4--4
[] \OT1/cmr/m/n/10 ra-tio-nal
! Missing number, treated as zero.
<to be read again>
                   \l at ukenglish
l.5   \hyphenrules{ukenglish}
                              \showhyphens{rational}
?
-------------------------------------------------------