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A custom shape whose type WordCraft has no kind for (hexagon, octagon, smiley, can, moon, lightning, block arc, cross, pentagon, flowchart shapes…) opened as a rectangle. It is now drawn from its own geometry (ODF 1.3 §10.6.2) as a freeform: - the enhanced path (§19.145): moves, lines, curves, ellipses (T, U), arcs (A, B, W, V) and quarter ellipses (X, Y), arcs followed in short straight steps; - its values worked out from the shape's equations (§10.6.3) and adjustment values: numbers, other equations, modifiers, the frame's keywords, + - * /, abs, sqrt, sin, cos, tan, atan, atan2, min, max and if. Path length, equation count and nesting, and points are all bounded. LibreOffice fills no part of a `draw:path` that has an open part. So a freeform with both closed and open paths is now saved as a custom shape whose path leaves the open ones unfilled (`F`). LibreOffice's preset shapes render as LibreOffice draws them. The saved file validates against the schema. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GBVQLyDnrG8Tn1yDQcUabC