Re: [svgwg] Clarify behaviour of getPointAtLength() and getPathSegmentAtLength() at discontinuities.

You're right, this doesn't seem to be explicitly defined anywhere.  It
 should be included in the implementation notes section for [Distance 
along a 
path](https://svgwg.org/svg2-draft/paths.html#DistanceAlongAPath).

We do, however, have the following detail in the [Path 
Directionality](https://svgwg.org/svg2-draft/paths.html#PathDirectionality)
 implementation notes:

>  if the given distance along the path occurs at a path segment 
boundary, then the direction of the path is the direction at the start
 of the segment at the given distance, considering each segment to be 
endpoint exclusive.

So, to be consistent with that, we would want the getPointAtLength 
method to return the start of the new segment, not the end of the old,
 when the distance exactly matches the boundary.  

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Received on Friday, 16 September 2016 18:52:49 UTC