简单的jQuery插件插入特殊字符到textarea字段（非编辑器）？

有没有人知道一个简单的jquery插件，允许特殊字符，如½，¼，¾，Õ，™等（仅UTF-8）插入到textarea字段？

Does anyone know of a simple jquery plugin to allow special characters such as ½, ¼, ¾, Õ, ™ etc. (UTF-8 only) to be inserted into a textarea field?

我在想自己写，但我想我会先问这里。我通过Google搜索似乎找不到任何东西。我需要一个模态，允许有人选择一个特殊字符，然后将其插入到一个textarea。这将纯粹是基于文本的UTF-8字符编码。

I was thinking of writing it myself, but I thought I'd ask here first. I can't seem to find anything thru Google searching. I'd need a modal to allow someone to select a special character and then inset that into a textarea. This would be purely text based UTF-8 character encoding. HTML editors such as CKEditor, TinyMCE, Markitup can not be used as they are too complex for the owner of the system/project.