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<?php output_add_rewrite_var('param_name', 'param_value'); ini_set('url_rewriter.tags', 'a=href'); echo '"<a href=\\u0022javascript:someFunc(\'some arg\')\\u0022>link 2</a>"';
based on d7PYC
Output for 7.1.0 - 7.4.0
"<a href=\u0022javascript:someFunc(?param_name=param_value'some arg')\u0022>link 2</a>"