Finding my way in geometry.parse()

Newbie question:

Intro/shapes.html shows

<pre -="" id="geometries" ="" style="font-size: 12px; border: 1px solid rgb204, 204, 204; display: block; padding: 0.5em; color: rgb51, 51, 51; : rgb248, 248, 255; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-trans: none; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; -: initial initial; -repeat: initial initial;"><span ="keyword" style="color: rgb170, 13, 145;">var</span> W_geometry = go.Geometry.parse(<span ="" style="color: rgb196, 26, 22;">"M 0,0 L 10,50 20,10 30,50 40,0"</span>, <span ="literal" style="color: rgb170, 13, 145;">false</span>);</pre>

and “The syntax for geometry paths is documented in the<span =“Apple-converted-space”> Geometry.parse reference.”

In http://gojs.net/latest/api/symbols/Geometry.html#parse I learn that the input is a “string that uses a special compact path geometry syntax.”

Where can I find that? I can guess that M is Move and L is line, but I’d like the explicit definition.

Yes, that was missing from version 1.0. Try the following, from version 1.1 beta:
http://gojs.net/beta/api/symbols/Geometry.html#parse.

That in turn has a link which is currently broken but goes to a new page in the Introduction: http://gojs.net/beta/intro/geometry.html.

Note that there is a lot of new functionality in 1.1.