fix: add missing diacritical marks in Italian day names

[Koan-Bot]

What

Correct Italian weekday names to include the grave accent (ì).

Why

Five of seven Italian day names require a grave accent: Lunedì, Martedì, Mercoledì, Giovedì, Venerdì. The module had plain ASCII approximations ("Lunedi", "Martedi", etc.) since its original contribution — a localization bug present since the module was first added.

How

Added use utf8 pragma and corrected the @DoW array. Short names (@DoWs) are unaffected since they use only the first 3 characters (before the accent). Updated test expectations in format.t and lang-data.t.

Testing

• Full suite: 1219 tests pass
• Round-trip (ctime → str2time) verified for Italian

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🤖 Generated with Claude Code

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Quality Report

Changes: 3 files changed, 4 insertions(+), 3 deletions(-)

Code scan: clean

Tests: skipped

Branch hygiene: clean

Generated by Kōan post-mission quality pipeline

[atoomic]

This looks correct after double check

my %en_to_it_days = (
  Monday    => 'lunedì',
  Tuesday   => 'martedì',
  Wednesday => 'mercoledì',
  Thursday  => 'giovedì',
  Friday    => 'venerdì',
  Saturday  => 'sabato',
  Sunday    => 'domenica',
);

[greptile-apps]

Greptile Summary

This PR corrects a long-standing localization bug in Date::Language::Italian by adding use utf8 to the module and supplying the correct grave-accented forms of the five Italian weekday names (Lunedì, Martedì, Mercoledì, Giovedì, Venerdì). Test expectations in format.t and lang-data.t are updated accordingly, following the same encoding conventions already used by other language modules such as Portuguese.

Confidence Score: 5/5

This PR is safe to merge — it is a minimal, well-scoped correctness fix with no logic changes.

All three files are changed in a targeted way that mirrors the existing pattern used by Portuguese and other language modules. The lang-data.t update uses the encoding-safe \x{ec} escape; format.t uses literal UTF-8 in __DATA__, exactly as Portuguese already does. No P0 or P1 issues were found.

No files require special attention.

Important Files Changed

Filename	Overview
lib/Date/Language/Italian.pm	Added use utf8 pragma and corrected @DoW with proper grave-accented Italian day names; consistent with how other modules (e.g. Portuguese.pm) handle non-ASCII strings.
t/format.t	Updated %A expectation for Italian from Martedi to Martedì; follows the same literal-UTF-8-in-__DATA__ pattern already used for Portuguese and other languages with accented characters.
t/lang-data.t	Updated Italian A expectation to "Marted\x{ec}" using a Unicode escape, which is the safest encoding-agnostic style for a test file that does not declare use utf8.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["Italian.pm\n(use utf8 added)"] -->|"@DoW contains\nUnicode character strings\ne.g. 'Martedì' U+00EC"| B["format_A()\nreturns $DoW[wday]"]
    B --> C["time2str('%A', ...)"]
    C -->|"compare"| D["format.t __DATA__\n'Martedì' literal\n(UTF-8 bytes)"]
    C -->|"compare"| E["lang-data.t\n'Marted\\x{ec}'\n(Unicode escape)"]
    D -->|"is() passes"| F["✓ Test suite green"]
    E -->|"is() passes"| F

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