Copy site on same server?

yes Patrick, you need to install wordpress again in that directory and add a new databases or just use the existing one just put in mind that u should not use the same prefix which you used in your root installation, and after that just pop any en or english link in your root site … Read more

How to identify WordPress language updates?

Your setting for WPLANG (inside ‘wp-config.php’) defines the language to be used by WordPress, and therefore also the language for which language updates will be checked. If you want to prevent these language updates from occurring, you can rename the language files under ‘wp-content/languages/’ to use a non-standard language code, and then modify WPLANG accordingly.

How to change strings in the theme/core?

This really depends on how your theme has been built, some themes supply a “Translations” file where you can edit most strings. These are usually .po files and can be found in the translations folder within your theme. If that doesn’t help out I would suggest grepping for the string you want to change, and … Read more

Changing some of the language within the revision viewer admin page revision.php

I resolved this in the end with some careful jQuery code that is run via a new JS file that is only loaded via the admin system pages. To give an example of the jQuery code… jQuery(‘.wrap a’).each(function() { if ( getCurentFileName()==”revision.php” ){ var text = jQuery(this).text(); jQuery(this).text(text.replace(‘← Return to post editor’, ‘← the new … Read more