Version 1.6 released on 2007-02-11:
* Fixed: a problem with multiple root signs and textpathCureSqrt=1

* Added: configuration variables
    textpathAutoScale
    textpathDraft
    textpathDebug
  These options, especially textpathAutoScale, were introduced
  to help with automatic document generation.
* Added: Numeric restrictions are now discussed in the manual.
  
* Changed: Default value of textpathClip is now 0.
