.. index:: single: text_unicode
.. _text_unicode/0:

.. rst-class:: right

**category**

``text_unicode``
================

Portable Unicode 17.0 normalization over lists of Unicode scalar values.

| **Availability:** 
|    ``logtalk_load(text_normalization(loader))``

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-09-06

| **Compilation flags:**
|    ``static``


| **Uses:**
|    :ref:`list <list/0>`
|    :ref:`user <user/0>`

| **Remarks:**
|    (none)

| **Inherited public predicates:**
|    (none)

.. contents::
   :local:
   :backlinks: top

Public predicates
-----------------

(no local declarations; see entity ancestors if any)

Protected predicates
--------------------

.. index:: normalize_unicode_codes/3
.. _text_unicode/0::normalize_unicode_codes/3:

``normalize_unicode_codes/3``
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Normalizes code points using the NFC, NFD, NFKC, or NFKD normalization form.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``normalize_unicode_codes(Form,Codes,Normalized)``
| **Mode and number of proofs:**
|    ``normalize_unicode_codes(+atom,+list(integer),-list(integer))`` - ``one_or_error``

| **Exceptions:**
|    An input element is not a Unicode scalar value:
|        ``domain_error(unicode_scalar_value,Code)``


------------

Private predicates
------------------

(no local declarations; see entity ancestors if any)

Operators
---------

(none)