Attributes should normally be enclosed in double quotes, especially if they contain whitespace. You should not declare attribute values with leading or trailing white space.
Text strings are human readable strings.
User agents must not evaluate script data as HTML markup but instead must pass it on as data to a script engine. The case-sensitivity of script data depends on the scripting language Language Code identifies a natural language spoken, written, or otherwise used for the communication of information among people. Computer languages are explicitly excluded from language codes. Any two-letter subcode is understood to be a country code. Investing Internet Technology Windows Internet Tech.