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Both .ai writers now write a graph that the .ai reader reads back as the same graph with its records, so a saved graph opens again live, with its table, type, axes and settings: %_Gs, the Gb, Gy, Gd, Ga/GA, Gz, Gc and GC records, the graph's group with each series' group followed by a Go tag, and %_GS (the published .ai file format specification, section 17 and appendix A). The records are the ones the reader in crates/eps/src/import/ai/read/graph.rs (#7311) reads, in the form it reads them. The shared encoder in crates/eps/src/ai_graph.rs decides first whether the reader keeps the graph whole: a column, stacked column, line or area graph with a legend, settings the records carry, a table of 1 to 10,000 categories and 1 to 256 series with finite values, labels of at most 255 bytes without control characters, and art the reader attaches the graph to. Any other graph is written as its art, with the existing warning, as is a graph whose art the editing writer's object limit cuts short. Tick-mark counts of 0 are written as 1, the count the reader keeps for both. Bar, stacked bar, scatter, pie and radar graphs, stacked column and area graphs whose series marks carry a stroke their legend swatch lacks, and line graphs with markers are still written as their art, with the warning.