See this w3 article for context:
Is it best practice to use characters? Or, is markup preferred?
For example, when adding a registered trade mark symbol (circle R) to a Richtext field, is a ® typically added to the final html delivered to the end user? Or, somewhere in code, is the ® converted to markup, such as ®
?
In addition to ®
, other examples are:
™ – — “ ‘