UPDATE: Our solution does not yet work perfectly – line-breaks do not work with a hair space, so we are still in the process with Adobe trying to find a solution that will work without any issue.
With the release of InDesign CS 5.5 Hunspell dictionaries are now supported. This means we can use the SBBIC spelling dictionary with InDesign! There are some issues though, because InDesign was not tested fully with Khmer, but we are able to get around them (even though it makes things a bit complex). Right now our solution is MAC ONLY because I don’t have my PC here with me – but we will include PC instructions soon (and they won’t me much different than the Mac instruction).
Here are the files you will need:
Thanks to: http://www.thomasphinney.com/2009/01/adobe-world-ready-composer/ for these templates
And here is the video tutorial: