[Groxx]

That's a pretty common approach. In Rails it's also not too hard to monkey patch I18n in development to e.g. double every string it returns, or throw in random UTF characters.

The hard part I've encountered is that you have to think about text differently. Things that are identical in English but have different semantic meanings must be split. Plurals. Almost-never concatenating or .join(',')ing or .split()ing. It's pretty easy to write yourself into a corner unless you stick to doing it right all the time, which takes some time to learn.