Enhance Special Characters Dialog

[Aung Khant]

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Dear Fred and developers,

Currently the dialog let us preview special characters like ©. Please add 'Description' text at the bottom of that preview box like Copyright, Trademark, Phi ..etc

Moreover, the dialog should have 2 additional previews for

1. HTML code, e.g. &copy;
2. Number code, e.g. &#169;

Please increase the width and height of that dialog page as well as font sizes so that we can view characters more clearly and vividly.

Thank you so much for your time, consideration and hardwork.