Taken from: http://www.i18nguy.com/markup/serving.html#tip06

You can cheat with CSS... if you want a non-breaking hyphen in a webpage.


Put this in your CSS file
.nobrk { 
white-space : nowrap; 
} 

Then if you don't want the breaking in your doc, you:

Please <span class="nobrk">e-mail</span> me your <span class="nobrk">e-business</span> proposal.