User Frenezulo is (possibly) becoming active again after a hiatus. Used to be active on Commons, Esperanto Wikipedia, and various others, depending.

I created a JavaScript program to make it easier to convert templates from English to Spanish. It's now likely outdated, but you are welcome to update it for your own use if you want. The JavaScript part of the code is here on Wikipedia, but it's not very functional. Here's a link to a Google document about it, which includes the HTML wrapper and a better version of the code.

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