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Integration: track t04

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# Conflicts:
#	ROADMAP.md
#	crates/engine/src/cmd/edit.rs
#	crates/engine/src/cmd/formulas.rs
#	crates/engine/src/tests.rs
#	crates/formula/src/lib.rs
#	crates/formula/src/parser.rs
#	crates/formula/src/tests.rs
#	crates/ui-egui/src/control.rs
#	crates/ui-egui/src/formula_bar.rs
#	crates/ui-egui/src/grid.rs
#	crates/ui-egui/src/i18n.rs
#	crates/ui-egui/src/lib.rs
#	crates/ui-egui/src/ribbon.rs
#	crates/ui-egui/tests/selection.rs
#	docs/function-parity.md
#	docs/ui-parity.md
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aiongg
2026-10-22 03:01:31 +00:00
parent b0b6409112 59e6f123ba
commit 512b2aa9fd
50 changed files with 1792 additions and 123 deletions
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docs/function-parity.md
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@@ -84,6 +84,7 @@ PIVOTBY, REGEXTEST…) are all present.
| 15-significant-digit comparison semantics | **missing** (#57: `=0.1+0.2=0.3` is FALSE) |
| External workbook references (`[Book.xlsx]Sheet1!A1`) | parsed; links dropped on open, no update |
| Localized function names and `;` separators | **missing** (#45); en-US only |
| Long flat operator chains (`=A1+A2+…`, `-`, `*`, `/`, `^`, `&`, comparisons) | done: no operand limit below Excel's 8,192-character formula limit (Excel, observed: `=1+1+…` with 4,096 operands is exactly 8,192 characters with the `=` and calculates; one more character is refused). Evaluated (#484), printed (#628), stored, copied, adjusted, saved and reopened without recursing once per operand, on a 1 MiB stack (#916); written to XLSX as plain formulas, not dynamic arrays; Spanish entry accepts them |
| Error values | the seven classic errors plus `#SPILL!`, `#CALC!`, `#GETTING_DATA` done; `#FIELD!`, `#BLOCKED!`, `#CONNECT!`, `#BUSY!`, `#UNKNOWN!`, `#PYTHON!` missing (minor: they come from data types, cloud and Python features) |
## Depth (estimated)
@@ -114,6 +115,8 @@ workbooks; results checked in as data, not Excel files) and fixing what it finds
| Date | Change | Summary |
|---|---|---|
| 2026-10-19 | minor | LET and LAMBDA names compare case-insensitively in any script, as in Excel: `=LET(dług,100,DŁUG*2)` is 200 (was #NAME?); also LET-bound lambdas called or passed by name (`żar(2)`, `MAP(…,Λ)`), `ISOMITTED`, and formula-bar alias translation (one shared `gridcraft_formula::same_name`, which matches `ß` with `ẞ` and keeps dotless `ı` apart from `i`) |
| 2026-10-19 | minor | Long flat operator chains (#916): 4,096 operands (Excel's 8,192-character limit) no longer overflow the stack when entered, filled, adjusted or saved; chains past 64 operands are no longer saved as dynamic-array formulas; Spanish entry no longer refuses chains past 256 operands |
| 2026-10-15 | minor | MEDIAN and AGGREGATE median use an overflow-safe midpoint (#1579); regressions cover finite extremes, tiny values and dependent recalculation |
| 2026-10-15 | minor | ADDRESS quotes a sheet name the way Excel does: names that read as an A1 cell (`A1`) or an R1C1 reference (`R1C1`, `RC`) and names starting with `.` get quotes; `TRUE` / `FALSE` stay bare (#1458) |
| 2026-10-13 | minor | Clear reports changed stored cells sparsely, including those beyond the first million coordinates; dependent formulas and removed spills update, while clearing empty merges still unblocks spills (#1032) |