Tighten code a bit PostgreSQL database names might also contain dots and since the extra pattern matches a subset of the other, it will never match anyhow. Thus remove the extra pattern, a lot of duplicate code and some superfluous debug logging.

SYMBOLSET
SYMBOL
  NAME 'point'
  TYPE ELLIPSE
  POINTS
    1 1
  END
  FILLED TRUE
END
SYMBOL
  NAME "square"
  TYPE VECTOR
  POINTS
    0 0
    0 1
    1 1
    1 0
    0 0
  END
  FILLED TRUE
END
END