FM / edit

/usr/share/javascript/codemirror/addon/edit/

/usr/share/javascript/codemirror/addon/edit

Name	Size	Mode	Actions
closebrackets.js	7121	0644	edit dl rm
closetag.js	8542	0644	edit dl rm
continuelist.js	3947	0644	edit dl rm
matchbrackets.js	6816	0644	edit dl rm
matchtags.js	2356	0644	edit dl rm
trailingspace.js	1004	0644	edit dl rm

Edit: /usr/share/javascript/codemirror/addon/edit/trailingspace.js (1004B)

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  CodeMirror.defineOption("showTrailingSpace", false, function(cm, val, prev) {
    if (prev == CodeMirror.Init) prev = false;
    if (prev && !val)
      cm.removeOverlay("trailingspace");
    else if (!prev && val)
      cm.addOverlay({
        token: function(stream) {
          for (var l = stream.string.length, i = l; i && /\s/.test(stream.string.charAt(i - 1)); --i) {}
          if (i > stream.pos) { stream.pos = i; return null; }
          stream.pos = l;
          return "trailingspace";
        },
        name: "trailingspace"
      });
  });
});

cmd: