Clicking on the placeholder text doesn't focus the editor on Firefox

[benbro]

[Describe the issue]
When clicking on the placeholder text "compose an epic..." the editor is not focused.
Only when clicking on the blank area it is focused.

Steps for Reproduction

1. Visit http://beta.quilljs.com/docs/formats/
2. Click on the placeholder text

Expected behavior: [expected]
The editor should focus

Actual behavior: [actual]
The editor is not focused

Platforms: [ex. Chrome 48 on Mac 10.11]
Firefox 46.0.1 on Windows 7

Version: [version]
1.0-Beta.1

[Joeao]

Seems to be a bug with Firefox itself? Getting the same issue on Quill 0.20.1 and codepen

It can be fixed by setting

.ql-editor.ql-empty::before {
    pointer-events: none;
}

Which seems to fit into the same browser compatibility as Quill 1.0, but there may be a better solution.