From a5f531838ba2341eee61a3ab59573ef3eb032ccf Mon Sep 17 00:00:00 2001
From: Marco Arnulfo <marcoarnulfo1@gmail.com>
Date: Mon, 12 Oct 2026 21:08:20 +0200
Subject: [PATCH] Functions: note the dependency gap of computed criteria (part
 of #737)

---
 crates/calc/src/eval.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/calc/src/eval.rs b/crates/calc/src/eval.rs
index 98c1179..b22c48a 100644
--- a/crates/calc/src/eval.rs
+++ b/crates/calc/src/eval.rs
@@ -104,6 +104,10 @@ impl Ctx for FnCtx<'_, '_> {
     }
     /// Excel's "formula as criteria": the formula is written for the first record, so its relative
     /// references move down to `record`'s row, and the database's labels name its fields.
+    /// Known gap: the shifted references are not dependencies of the calling cell. One that lands
+    /// outside both the database and the criteria cell's own precedents (say `=G2<H2` with column H
+    /// outside the database) is read here but not tracked, so editing that cell doesn't recalculate
+    /// the D-function until something else does.
     fn computed_criterion(&mut self, row: usize, col: usize, db: &Array, record: usize) -> Option<bool> {
         let area = self.criteria?;
         let at = area.range.start.offset(row as i64, col as i64).filter(|c| area.range.contains(*c))?;