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* Block Editor: BEDIT, BSAVE, BSAVEAS and BCLOSE for static blocks BEDIT opens a block definition in the drawing's own tab with its base point at the origin, and the block's objects are edited with the ordinary commands. BSAVE writes them back into the definition, so every reference in the drawing updates (one undo step in the drawing); BSAVEAS saves under a new name; BCLOSE goes back to the drawing, asking whether to save unsaved changes. - The drawing waits untouched while the editor is open (blockedit.rs): its undo history, selection and views come back on BCLOSE. Objects left unchanged are saved back exactly, so no coordinate drifts. - Files save the drawing outside the editor; autosave keeps the editor's unsaved changes in the block; the close/quit prompt's Save puts them into the block first. - Right-click a selected block reference: Block Editor. In the editor the canvas is tinted, the base point is marked, and a bar offers Save Block, Save Block As and Close Block Editor (also in the right-click menu). The Block tool set's Block Editor button is now live. BLOCKEDITOR sysvar. - Layout and paper-space commands are refused while the editor is open; a block can't be saved to contain a reference to itself. - Dynamic blocks: their data is kept; the editor says it can't edit their parameters yet. Co-Authored-By: Claude Opus 5.5 <[email protected]> * Edit Block Definition dialog; BEDIT can start a new block BEDIT typed or started from a menu or the Tool Sets with no block reference selected opens the Edit Block Definition dialog: the drawing's blocks sorted by name, a preview and the description. OK opens the Block Editor on the block named; a name no block has yet starts a new block, which BSAVE creates (`bedit {name, create: true}`). A selected block reference still opens at once, and JSON calls never open the dialog. Co-Authored-By: Claude Opus 5.5 <[email protected]> * Edit Block Definition: centred window, list box; gaps.md F3 The dialog opens centred on the window, the blocks are a full-width list in a list box of fixed height, and gaps.md F3 mentions the dialog. Co-Authored-By: Claude Opus 5.5 <[email protected]> * BEDIT: find dynamic block data on the block's BLOCK_RECORD A dynamic block's ACAD_ENHANCEDBLOCK dictionary hangs off its BLOCK_RECORD table entry, not the BLOCK entity, so the "parameters are kept" note never showed for AutoCAD files. Regression test with the data laid out as an AutoCAD DXF has it. Co-Authored-By: Claude Opus 5.5 <[email protected]> * BEDIT: a dynamic block reference opens its dynamic block A dynamic block reference with values of its own shows an anonymous block (`*U12`), so the right-click Block Editor (and BEDIT on a picked or selected reference) refused it and asked for a name. The anonymous block's record names its dynamic block in AcDbBlockRepBTag xdata; BEDIT now opens that, as AutoCAD does. Regression test. Co-Authored-By: Claude Opus 5.5 <[email protected]> --------- Co-authored-by: Cody Vogt <[email protected]> Co-authored-by: Claude Opus 5.5 <[email protected]> Co-authored-by: Brandon Thomas <[email protected]>