Deprecate diff (#55)

MDLC01 · web-flow · commit fa0d633ea0ea · 2025-04-11T21:09:27.000+02:00
diff --git a/src/modules/sym.txt b/src/modules/sym.txt
@@ -457,6 +457,7 @@ infinity ∞
   .incomplete ⧜
   .tie ⧝
 oo ∞
+@deprecated: `diff` is deprecated, use `partial` instead
 diff ∂
 partial ∂
 gradient ∇
