escapeHtml4
Description: This function prepares the Subject to be inserted into HTML document by escaping the characters in a String using the HTML entities. Supports all known HTML 4.0 entities.
Subject Type: String
Arguments: No arguments
Return Type: String
Examples: If the "message" attribute is
"bread" & "butter", then the Expression
${message:escapeHtml4()}
will return "bread" &
"butter"