Function beginParams

static/editor.md/lib/codemirror/mode/stex/stex.js:205–222

(source, state)

    }

    function beginParams(source, state) {
      var ch = source.peek(), lastPlug;
      if (ch == '{' || ch == '[') {
        lastPlug = peekCommand(state);
        lastPlug.openBracket(ch);
        source.eat(ch);
        setState(state, normal);
        return "bracket";
      }
      if (/[ \t\r]/.test(ch)) {
        source.eat(ch);
        return null;
      }
      setState(state, normal);
      popCommand(state);

      return normal(source, state);
    }

    return {
      startState: function() {