Updated the timeline reference in the diamondobj doc to point to the

trunk merge point now that it exists, instead of the trunk *fork* point.

FossilOrigin-Name: 8bf785986e9d870ac688fc99f6f99655bd1949590850cf2d2750cf05bd2be0c0

doc/diamondobj.md

@@ -12,7 +12,7 @@ D: diamond "Cardinal" "Points"
    dot ".w " rjust at D.w
 ~~~~
 
-Indeed, before Pikchr [got this primitive](/info/36751abee2), the
+Indeed, before Pikchr [acquired this primitive](/info/bc3bd914a3), the
 workaround was to draw an invisible box to hold the text, then draw
 lines between its cardinal points: