Fixed problem with saving non-BMP Unicode characters (e.g. Emojis) in HTML fields of XML contents.
Fixed problem with saving non-BMP Unicode characters (e.g. Emojis) in HTML fields of XML contents.

alkacon/opencms-core,gallardo/opencms-core,gallardo/opencms-core,gallardo/opencms-core,alkacon/opencms-core,alkacon/opencms-core,gallardo/opencms-core,alkacon/opencms-core