escapeSlash property
bool escapeSlashfinal
Whether to escape "/" (forward slash, solidus).
Escaping a slash is recommended to avoid cross-site scripting attacks by the Open Web Application Security ProjectPrevention_Cheat_Sheet#RULE.231_-_HTML_Escape_Before_Inserting_Untrusted_Data_into_HTML_Element_Content)
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https://api.dartlang.org/stable/1.24.3/dart-convert/HtmlEscapeMode/escapeSlash.html