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FormatYmdStr
The FormatYmdStr function converts a date string in YMD form to a properly formatted date string. Use this function, for example, to convert "2007, 4, 23" to "2007-04-23"
sYmdNew = FormatYmdStr( sYmd )
 sYmd is the string to be converted (e.g., "2007, 4,
23").
    sYmd is the string to be converted (e.g., "2007, 4,
23").
 sYmdNew is the properly formatted time string
(e.g., "2007-04-23").
    sYmdNew is the properly formatted time string
(e.g., "2007-04-23").
Use this function to clean input strings and convert them into the standard format. The standard format string can be sent to other Mira functions expecting a properly formatted date string.