For example, to render the Euro currency sign correctly online we use the HTML code
€
in writing our text in Blogger.This conforms to the W3C HTML 4.0 standard which supports ISO 8859-1 (Latin-1) characters, which is the standard code setting in Microsoft's Internet Explorer browser and the prevailing character encoding "Western (ISO 8859-1)" in the browser Mozilla FireFox.
If this specific character code is not inserted in Blogger's "Edit Html" textbox to replace the Euro sign which the keyboard produces, the Blogger textbox will correctly render the Euro sign on the screen monitor, but the Euro currency sign will appear as garble when it is published online.
Problems and Solutions involving the Euro sign are found at:
The euro sign in HTML and in some other contexts