https://lamia.gr/modules/rua/js/jquery.rua.js?v=1.x

1/*!
2 * jQuery Remove Uppercase Accents for Drupal 7
3 * https://www.drupal.org/project/rua
4 *
5 * Automatically removes accented characters (currently Greek) from elements
6 * having their text content uppercase transformed through CSS.
7 *
8 * It WILL NOT target fieldset and elements capitalized inside fieldsets!
9 */
10
11(function($) {
12
13  $.extend($.expr[":"], {
14    uppercase: function(elem) {
15      var attr = $(elem).css("text-transform");
16      return typeof attr !== "undefined" && attr === "uppercase";
17    },
18    smallcaps: function(elem) {
19      var attr = $(elem).css("font-variant");
20      return typeof attr !== "undefined" && attr === "small-caps";
21    }
22  });
23
24  $.extend({
25    removeAcc: function(elem) {
26      var text = elem.tagName.toLowerCase() === "input" ? elem.value : elem.innerHTML;
27
28      text = text.replace(/Ά/g, "Α")
29                 .replace(/ά/g, "α")
30                 .replace(/Έ/g, "Ε")
31                 .replace(/έ/g, "ε")
32                 .replace(/Ή/g, "Η")
33                 .replace(/ή/g, "η")
34                 .replace(/Ί/g, "Ι")
35                 .replace(/ί/g, "ι")
36                 .replace(/ΐ/g, "ϊ")
37                 .replace(/Ό/g, "Ο")
38                 .replace(/ό/g, "ο")
39                 .replace(/Ύ/g, "Υ")
40                 .replace(/ύ/g, "υ")
41                 .replace(/ΰ/g, "ϋ")
42                 .replace(/Ώ/g, "Ω")
43                 .replace(/ώ/g, "ω")
44                 .replace(/ς/g, "Σ");
45
46      if (elem.tagName.toLowerCase() === "input") {
47        elem.value = text;
48      } else {
49        elem.innerHTML = text;
50      }
51    }
52  });
53
54  $.fn.extend({
55    removeAcc: function() {
56      return this.each(function() {
57        $.removeAcc(this);
58      });
59    }
60  });
61
62  // Shorthand for `$(document).ready()`
63  $(function() {
64
65    $(":uppercase").not(".fieldset-legend").removeAcc();
66    $(document).ajaxComplete(function() {
67      $(":uppercase").not(".fieldset-legend").removeAcc();
68    });
69
70    $(":smallcaps").not(".fieldset-legend").removeAcc();
71    $(document).ajaxComplete(function() {
72      $(":smallcaps").not(".fieldset-legend").removeAcc();
73    });
74
75  });
76
77})(jQuery);