I understand that I have to edit the qa-wysiwyg-editor.php file in the wysiwyg-editor plugin but the current code appears to call on qa´s language settings dynamically.
", defaultLanguage:".qa_js(qa_opt('site_language')).
", language = 'es'".
Sorry, I solved it!
I was a question of syntax.
You need to write the code as follows...
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