anchor.diff:  [[considerations_for_dayname]]
   === Considerations for DAYNAME
   
  -The DAYNAME function returns the name of the day in ISO8859-1.
  +The DAYNAME function returns the name of the day in ISO88591.
   
   [[examples_of_dayname]]
   === Examples of DAYNAME
  
positive.code: === Considerations for USER
  
  * This function can be specified only in the top level of a SELECT statement.
  * The value returned is string data type VARCHAR(128) and is in ISO8859-1 encoding.
  
  [[examples_of_user]]
  === Examples of USER
  
negative.code: +
  specifies the number of characters to be returned. The number _count_
  must be a value greater than or equal to zero of exact numeric data type
  and with a scale of zero. _length_ cannot exceed 32768 for the ISO88591
  or UTF8 character sets.
  
  * `_char-set-name_`
  