Re-record and ratify the corpus

conformance/DIVERGENCES.md

@@ -19,7 +19,7 @@ where a different source is noted.
 - JS interpreter: accepts (prints `dropqme` — an unknown string escape
   drops the backslash silently)
 - ANTLR grammar: rejects (token recognition error at: '"drop\q')
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 12 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 49)
 
@@ -29,7 +29,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_unexpected at 1:1)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 20 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 11)
 
@@ -39,7 +39,7 @@ where a different source is noted.
 
 - JS interpreter: accepts (runs)
 - ANTLR grammar: rejects (1:0: token recognition error at: '"a\z')
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 12 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 86)
 
@@ -49,7 +49,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:5)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 21 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 247)
 
@@ -59,7 +59,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 21 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 119)
 
@@ -69,7 +69,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:3)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 21 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 9)
 
@@ -79,7 +79,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:3)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 22 at cd59791
 
 ## Divergence (fuzz seed 20260709, index 144)
 
@@ -89,7 +89,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:5)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 456)
 
@@ -99,7 +99,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:8)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 182)
 
@@ -109,7 +109,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:8)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 284)
 
@@ -119,7 +119,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:6)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 276)
 
@@ -129,7 +129,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 427)
 
@@ -139,7 +139,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 24 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 101)
 
@@ -149,7 +149,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 425)
 
@@ -159,7 +159,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 24 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 194)
 
@@ -169,7 +169,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 23 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 212)
 
@@ -179,7 +179,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 24 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 25)
 
@@ -189,7 +189,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 24 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 347)
 
@@ -199,7 +199,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:5)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 21 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 52)
 
@@ -209,7 +209,7 @@ where a different source is noted.
 
 - JS interpreter: rejects (err_expect at 1:4)
 - ANTLR grammar: accepts (parses)
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 26 at c447eb7
 
 ## Divergence (fuzz seed 20260709, index 76)
 
@@ -219,7 +219,7 @@ where a different source is noted.
 
 - JS interpreter: accepts (runs)
 - ANTLR grammar: rejects (1:4: mismatched input ':' expecting {<EOF>, ';', PARALLEL, LEFTARROW, IMPLIES, OR, AND, '=', NEQ, '<', '>', LEQ, GEQ, APPROX, SIM, '+', '-', TIMES, DIV, AST, COMPOSE, DEFINITION, HANDLE, ALLOC, RELEASE, '(', '|', MIDDOT})
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 25 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 13)
 
@@ -229,7 +229,7 @@ where a different source is noted.
 
 - JS interpreter: accepts (runs)
 - ANTLR grammar: rejects (1:4: mismatched input ':' expecting {<EOF>, ';', PARALLEL, LEFTARROW, IMPLIES, OR, AND, '=', NEQ, '<', '>', LEQ, GEQ, APPROX, SIM, '+', '-', TIMES, DIV, AST, COMPOSE, DEFINITION, HANDLE, ALLOC, RELEASE, '(', '|', MIDDOT})
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 25 at ad01bbd
 
 ## Divergence (fuzz seed 20260709, index 29)
 
@@ -239,4 +239,18 @@ where a different source is noted.
 
 - JS interpreter: accepts (runs)
 - ANTLR grammar: rejects (1:4: mismatched input ':' expecting {<EOF>, ';', PARALLEL, LEFTARROW, IMPLIES, OR, AND, '=', NEQ, '<', '>', LEQ, GEQ, APPROX, SIM, '+', '-', TIMES, DIV, AST, COMPOSE, DEFINITION, HANDLE, ALLOC, RELEASE, '(', '|', MIDDOT})
-- RULING: pending (see JUDGMENT_CALLS.md)
+- RESOLVED by ruling 25 at ad01bbd
+
+## Divergence (fuzz seed 20260710, index 178 — found during Stage 3 A7)
+
+```
+({-42})
+```
+
+- JS interpreter: rejected (err_comment — the lexer committed '{-' to a
+  comment even without a terminator)
+- ANTLR grammar: accepts (MULTILINE_COMMENT requires its '-}'; '{' lexes
+  as a brace, so this is a block containing -42)
+- RESOLVED by grammar alignment (decision: the grammar is the syntax
+  truth) at f5e8407 — no ruling needed; found by the fresh fuzz seed and
+  fixed before commit

conformance/SURFACE.md

@@ -1,9 +1,12 @@
 # SURFACE — what `js/mpl.js` actually implements
 
-Audited from the source of `js/mpl.js` (Stage 2, C3) and pinned by the
+Audited from the source of `js/mpl.js` at Stage 2 (C3, head `ea66a2a`) and
-corpus. This file describes the implemented surface — exactly, no more.
+pinned by the corpus of that stage. **Historical record**: Stage 3 ratified
-Nothing here is ratified; where behavior looks accidental it is flagged in
+the 26 judgment calls (2026-07-09) and changed the surface where rulings
-`conformance/JUDGMENT_CALLS.md`, but it is recorded as observed.
+overrode it — rationals, boolean conditions, binding discipline, depth
+limit, composition, and parser alignment. Where this file and
+`JUDGMENT_CALLS.md` disagree, the rulings govern; the ratified corpus is
+the executable truth.
 
 ## Lexer
 

conformance/corpus/001_hello_world/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "example", "decision": "", "notes": "seeded from examples/01_hello_world.mpl"}
+{"status": "ratified", "source": "example", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "seeded from examples/01_hello_world.mpl"}

conformance/corpus/002_factorial/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "example", "decision": "", "notes": "seeded from examples/02_factorial.mpl"}
+{"status": "ratified", "source": "example", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "seeded from examples/02_factorial.mpl"}

conformance/corpus/002_factorial/program.mpl

@@ -1,4 +1,4 @@
 -- Factorial example with proper precedence
 factorial ≜ λn∈ℕ: (n≤1 ⟹ 1) | (n×factorial(n-1));
-result ← factorial(5);
+result ≜ factorial(5);
 ✎result;

conformance/corpus/003_arith_precedence/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "× ÷ bind tighter than + -; + - and × ÷ left-associative"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "× ÷ bind tighter than + -; + - and × ÷ left-associative"}

conformance/corpus/004_unary_minus/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unary minus, including doubled and against binary minus"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unary minus, including doubled and against binary minus"}

conformance/corpus/005_slash_div_alias/expected.out

@@ -1,3 +1,3 @@
-2.5
+5/2
-2.5
+5/2
 3

conformance/corpus/005_slash_div_alias/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "/ is an ASCII alias of ÷"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 4", "notes": "/ is an ASCII alias of ÷"}

conformance/corpus/006_number_display/expected.out

@@ -1,6 +1,6 @@
 42
-1.5
+3/2
-0.5
+1/2
 2
 7
-0.5
+1/2

conformance/corpus/006_number_display/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "integral doubles display without decimal point; literals normalize"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 4", "notes": "integral doubles display without decimal point; literals normalize"}

conformance/corpus/007_float_arithmetic/expected.out

@@ -1,3 +1,3 @@
-3.75
+15/4
-0.30000000000000004
+3/10
 6

conformance/corpus/007_float_arithmetic/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "IEEE double arithmetic, including the 0.1+0.2 representation artifact"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 4", "notes": "IEEE double arithmetic, including the 0.1+0.2 representation artifact"}

conformance/corpus/008_string_escapes/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "string escapes \\n \\t \\\" \\\\ (unknown escapes like \\q diverge from the grammar — see DIVERGENCES.md, not corpus-pinnable)"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 12", "notes": "string escapes \\n \\t \\\" \\\\ (unknown escapes like \\q diverge from the grammar — see DIVERGENCES.md, not corpus-pinnable)"}

conformance/corpus/009_string_concat/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "+ concatenates when either operand is a string, rendering the other via show"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 5", "notes": "+ concatenates when either operand is a string, rendering the other via show"}

conformance/corpus/010_multilingual_strings/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "non-ASCII string content passes through byte-intact"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "non-ASCII string content passes through byte-intact"}

conformance/corpus/011_list_display/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "lists display with strings quoted inside; closures display as λ"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 5", "notes": "lists display with strings quoted inside; closures display as λ"}

conformance/corpus/012_lambda_basics/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "λ definition, display, application, multiple parameters"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 5", "notes": "λ definition, display, application, multiple parameters"}

conformance/corpus/013_closure_capture/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "closures capture the environment, not values at definition time"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 9", "notes": "closures capture the environment, not values at definition time"}

conformance/corpus/013_closure_capture/program.mpl

@@ -1,4 +1,4 @@
-x ← 10;
+x ≜ 10;
 f ≜ λy: x + y;
 ✎ f(1);
 x ← 20;

conformance/corpus/014_higher_order/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "curried application and λ literals as call arguments"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "curried application and λ literals as call arguments"}

conformance/corpus/015_recursion_fib/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "binary recursion through a guarded alternative"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "binary recursion through a guarded alternative"}

conformance/corpus/016_recursion_sum/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "linear recursion 500 deep (within the host stack)"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 10", "notes": "linear recursion 500 deep (within the host stack)"}

conformance/corpus/017_forall_accumulate/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∀ with an accumulating assignment"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "∀ with an accumulating assignment"}

conformance/corpus/017_forall_accumulate/program.mpl

@@ -1,3 +1,3 @@
-t ← 0;
+t ≜ 0;
 ∀ n ∈ [1, 2, 3, 4, 5]: t ← t + n × n;
 ✎ t;

conformance/corpus/018_forall_value/expected.out

@@ -1,2 +1,2 @@
-6
+⊥
 ⊥

conformance/corpus/018_forall_value/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "a ∀ expression yields the last body value; empty collection yields ⊥"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 2", "notes": "a ∀ expression yields the last body value; empty collection yields ⊥"}

conformance/corpus/019_forall_scope/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "the ∀ variable shadows per iteration and the outer binding survives"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 15", "notes": "the ∀ variable shadows per iteration and the outer binding survives"}

conformance/corpus/019_forall_scope/program.mpl

@@ -1,3 +1,3 @@
-n ← 100;
+n ≜ 100;
 ∀ n ∈ [1, 2]: ✎ n;
 ✎ n;

conformance/corpus/020_guarded_alternatives/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "the canonical conditional: guarded alternatives with fallback"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 3", "notes": "the canonical conditional: guarded alternatives with fallback"}

conformance/corpus/021_no_guard_match/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "a guard that never fires, with no | fallback, surfaces as ⊥"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 3", "notes": "a guard that never fires, with no | fallback, surfaces as ⊥"}

conformance/corpus/021_no_guard_match/program.mpl

@@ -1,3 +1,3 @@
 ✎((false ⟹ 1));
-x ← (false ⟹ 1);
+x ≜ (false ⟹ 1);
 ✎ x;

conformance/corpus/022_guard_truthiness/expected.err

@@ -0,0 +1 @@
+err_bool

conformance/corpus/022_guard_truthiness/expected.out

@@ -1,5 +0,0 @@
-one
-no
-num
-no
-no

conformance/corpus/022_guard_truthiness/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "guard conditions: true or non-zero number fire; strings/lists never do"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 13", "notes": "guard conditions: true or non-zero number fire; strings/lists never do"}

conformance/corpus/022_guard_truthiness/program.mpl

@@ -1,5 +1 @@
 ✎((1 ⟹ "one") | "no");
-✎((0 ⟹ "zero") | "no");
-✎((2.5 ⟹ "num") | "no");
-✎(("s" ⟹ "str") | "no");
-✎(([1] ⟹ "list") | "no");

conformance/corpus/023_alt_chain/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "fall-through chains take the first firing arm"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 3", "notes": "fall-through chains take the first firing arm"}

conformance/corpus/024_def_assign_rebind/expected.out

@@ -1,4 +1,2 @@
 1
 2
-3
-5

conformance/corpus/024_def_assign_rebind/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "≜ and ← both rebind freely; ← works without a prior ≜"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 16", "notes": "≜ and ← both rebind freely; ← works without a prior ≜"}

conformance/corpus/024_def_assign_rebind/program.mpl

@@ -2,7 +2,3 @@ x ≜ 1;
 ✎ x;
 x ← 2;
 ✎ x;
-x ≜ 3;
-✎ x;
-y ← 5;
-✎ y;

conformance/corpus/025_def_assign_value/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "both binding forms are expressions returning the bound value; ≜ chains right"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 16", "notes": "both binding forms are expressions returning the bound value; ≜ chains right"}

conformance/corpus/026_def_vs_assign_scope/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "inside a λ, ← mutates the captured outer binding; ≜ creates a local one"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 9 and 16", "notes": "inside a λ, ← mutates the captured outer binding; ≜ creates a local one"}

conformance/corpus/026_def_vs_assign_scope/program.mpl

@@ -1,4 +1,4 @@
-x ← 1;
+x ≜ 1;
 f ≜ λy: {x ← 99; x};
 f(0);
 ✎ x;

conformance/corpus/027_block_sequencing/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "a block yields its last expression; {} yields ⊥; trailing ; permitted"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 15", "notes": "a block yields its last expression; {} yields ⊥; trailing ; permitted"}

conformance/corpus/028_block_no_scope/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "braces do NOT create a scope: bindings made inside leak out"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 15", "notes": "braces do NOT create a scope: bindings made inside leak out"}

conformance/corpus/028_block_no_scope/program.mpl

@@ -1,2 +1,2 @@
-{y ← 9; 0};
+{y ≜ 9; 0};
 ✎ y;

conformance/corpus/029_comments/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "line comments and nested block comments"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "line comments and nested block comments"}

conformance/corpus/030_bot/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "⊥ displays as ⊥ and concatenates/nests as a value"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 6", "notes": "⊥ displays as ⊥ and concatenates/nests as a value"}

conformance/corpus/031_show_all_types/expected.out

@@ -1,5 +1,5 @@
 42
-1.5
+3/2
 s
 true
 false

conformance/corpus/031_show_all_types/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "one ✎ per value type"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "one ✎ per value type"}

conformance/corpus/032_comparisons/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "all six comparison operators on numbers"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 8", "notes": "all six comparison operators on numbers"}

conformance/corpus/033_string_compare/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "lexicographic order and structural equality on strings"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 7 and 8", "notes": "lexicographic order and structural equality on strings"}

conformance/corpus/034_cross_type_equality/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "equality is structural per type and false across types; ⊥ equals ⊥"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 7", "notes": "equality is structural per type and false across types; ⊥ equals ⊥"}

conformance/corpus/035_mixed_compare/expected.err

@@ -0,0 +1 @@
+err_compare

conformance/corpus/035_mixed_compare/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "ordering across types follows host coercion — observed, flagged as a judgment call"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 8", "notes": "ordering across types follows host coercion — observed, flagged as a judgment call"}

conformance/corpus/035_mixed_compare/program.mpl

@@ -1,3 +1 @@
 ✎(1 < "2");
-✎("10" < 9);
-✎(true < 2);

conformance/corpus/036_logic_ops/expected.out

@@ -2,6 +2,3 @@ true
 false
 true
 false
-false
-true
-false

conformance/corpus/036_logic_ops/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∧ ∨ test operands with strict boolean truth — numbers are not truthy here"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 14", "notes": "∧ ∨ test operands with strict boolean truth — numbers are not truthy here"}

conformance/corpus/036_logic_ops/program.mpl

@@ -2,6 +2,3 @@
 ✎(true ∧ false);
 ✎(false ∨ true);
 ✎(false ∨ false);
-✎(1 ∧ true);
-✎(0 ∨ true);
-✎(true ∧ 1);

conformance/corpus/037_logic_short_circuit/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∧ skips its right side on false; ∨ skips it on true (observable via side effect)"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 14", "notes": "∧ skips its right side on false; ∨ skips it on true (observable via side effect)"}

conformance/corpus/037_logic_short_circuit/program.mpl

@@ -1,4 +1,4 @@
-x ← 0;
+x ≜ 0;
 f ≜ λv: {x ← x + 1; v};
 false ∧ f(true);
 ✎ x;

conformance/corpus/038_ascii_escapes/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "a program written entirely in ASCII escapes behaves like its glyph spelling"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "a program written entirely in ASCII escapes behaves like its glyph spelling"}

conformance/corpus/039_type_constraint_unenforced/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∈-constraints parse (incl. supplementary-plane 𝔹) and are discarded unevaluated"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 17", "notes": "∈-constraints parse (incl. supplementary-plane 𝔹) and are discarded unevaluated"}

conformance/corpus/040_trace_returns_value/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "✎ is an expression: prints and returns its operand"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "✎ is an expression: prints and returns its operand"}

conformance/corpus/040_trace_returns_value/program.mpl

@@ -1,3 +1,3 @@
 ✎(✎ 5);
-v ← ✎ "side";
+v ≜ ✎ "side";
 ✎ v;

conformance/corpus/041_asterisk_multiplication/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∗ (U+2217) is multiplication, same as ×"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 19", "notes": "∗ (U+2217) is multiplication, same as ×"}

conformance/corpus/042_nested_calls_in_list/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "calls inside list literals; λ argument"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "calls inside list literals; λ argument"}

conformance/corpus/043_div_zero/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "division by zero"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 1", "notes": "division by zero"}

conformance/corpus/044_undef/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unbound identifier"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unbound identifier"}

conformance/corpus/045_notfn/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "calling a non-closure"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "calling a non-closure"}

conformance/corpus/046_arity_nullary/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "nullary call syntax parses; arity is checked at runtime"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 18", "notes": "nullary call syntax parses; arity is checked at runtime"}

conformance/corpus/047_arity_extra/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "too many arguments"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "too many arguments"}

conformance/corpus/048_iter_nonlist/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∀ over a non-list"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "∀ over a non-list"}

conformance/corpus/049_num_bool_plus/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "numeric + with a non-number, non-string operand"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "numeric + with a non-number, non-string operand"}

conformance/corpus/050_num_string_minus/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "- is numeric only, no string analog"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "- is numeric only, no string analog"}

conformance/corpus/051_neg_string/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unary minus is numeric only"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unary minus is numeric only"}

conformance/corpus/052_bot_arith/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "arithmetic on ⊥"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 6", "notes": "arithmetic on ⊥"}

conformance/corpus/053_step_budget/expected.err

@@ -1 +0,0 @@
-err_steps

conformance/corpus/053_step_budget/meta.json

@@ -1 +0,0 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "the 500000-step evaluation budget"}

conformance/corpus/053_step_budget/program.mpl

@@ -1,2 +0,0 @@
-l ← [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
-∀ a ∈ l: ∀ b ∈ l: ∀ c ∈ l: ∀ d ∈ l: ∀ e ∈ l: ∀ f ∈ l: 0;

conformance/corpus/054_reject_underscore_ident/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "identifiers may not start with _"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "identifiers may not start with _"}

conformance/corpus/055_reject_juxtaposition/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "juxtaposition call f x is not a call syntax"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "juxtaposition call f x is not a call syntax"}

conformance/corpus/056_reject_ternary/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "no ternary; conditionals are guarded alternatives"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "no ternary; conditionals are guarded alternatives"}

conformance/corpus/057_reject_output_emoji/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "output is ✎ only"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "output is ✎ only"}

conformance/corpus/058_reject_unterminated_string/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unterminated string literal"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unterminated string literal"}

conformance/corpus/059_reject_unknown_escape/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unknown ASCII escape word"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unknown ASCII escape word"}

conformance/corpus/060_reject_unmatched_brace/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unclosed brace"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unclosed brace"}

conformance/corpus/061_reject_unterminated_comment/expected.err

@@ -1 +1 @@
-err_comment
+err_expect

conformance/corpus/061_reject_unterminated_comment/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "unterminated block comment"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "unterminated block comment: '{-' without a matching '-}' is not a comment token, so the brace lexes bare and the program fails to parse (matches the grammar's MULTILINE_COMMENT)"}

conformance/corpus/062_reject_sum_token/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "∑ is M1, not a token"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "∑ is M1, not a token"}

conformance/corpus/063_reject_sqrt_token/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "√ is M1, not a token"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "√ is M1, not a token"}

conformance/corpus/064_reject_modulo/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "% is M1, not a token"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "% is M1, not a token"}

conformance/corpus/065_reject_range/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "range syntax [a..b] is M1"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "range syntax [a..b] is M1"}

conformance/corpus/066_reject_not_token/meta.json

@@ -1 +1 @@
-{"status": "unratified", "source": "coverage", "decision": "", "notes": "¬ is M1, not a token"}
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09 (Stage 3 batch — behavior blessed as observed; no single ruling)", "notes": "¬ is M1, not a token"}

conformance/corpus/067_empty_program/meta.json

@@ -0,0 +1 @@
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 20", "notes": "ruling 20: the empty program is valid and silent"}

conformance/corpus/068_paren_sequence/expected.out

@@ -0,0 +1,2 @@
+2
+6

conformance/corpus/068_paren_sequence/meta.json

@@ -0,0 +1 @@
+{"status": "ratified", "source": "coverage", "decision": "Ratified 2026-07-09, ruling 21", "notes": "ruling 21: parentheses contain one seqExpr"}

conformance/corpus/068_paren_sequence/program.mpl

@@ -0,0 +1,2 @@
+✎((1; 2));
+✎((x ≜ 5; x + 1));