How can I get my ellipses formatted correctly in XeTeX?

Question

I've been using \dots and \ldots to try to get ellipses happening.

Ellipses should look like this: Some text . . . and then some more text.

But instead they look like this: Some text ...and some more text.

I'm using XeTeX with the mla style from the texlive-humanities Ubuntu package. I should also add that I'm very new to TeX and have almost no idea what I'm doing. The top of my document looks like this:

\documentclass[11pt,letterpaper]{article}
\usepackage{ifpdf}
\usepackage{mla}

%Xelatex Stuff
\usepackage{fontspec}
\usepackage{xunicode}
\usepackage{xltxtra} 

\setmainfont[Mapping=tex-text]{Linux Libertine O}

\begin{document}

Answer 1

It seems that if you include the ellipsis package, and use it as \ldots\, it seems to produce the correct results:

\documentclass[11pt,letterpaper]{article}
\usepackage{ifpdf}
\usepackage{mla}

%Xelatex Stuff
\usepackage{fontspec}
\usepackage{xunicode}
\usepackage{xltxtra} 
\usepackage{ellipsis} 

%\setmainfont[Mapping=tex-text]{Linux Libertine O}

\begin{document}
Elipses should look like this: Some text~\ldots\ and then some more text. 
\end{document}

Answer 2

Why don't you try the ellipsis character, … ? One of the main benefits of XeTeX is that you can use the correct unicode characters directly.