Update liblouis to 3.31 (#17080)

Summary of the issue:
Liblouis 3.31 has been released. Among new tables, this release contains a bug fix for Spanish causing digits to be presented incorrectly, see liblouis/liblouis#1624.

Description of user facing changes
Update to Liblouis 3.31, adding new tables as mentioned in the changelog.

Description of development approach
Update the submodule, added and updated definitions in brailleTables.py

projectDocs/dev/createDevEnvironment.md

@@ -80,7 +80,7 @@ For reference, the following run time dependencies are included in Git submodule
 * [eSpeak NG](https://github.com/espeak-ng/espeak-ng), version 1.52-dev commit `961454ffaa894d981526f4d424daef1d3bc4175f`
 * [Sonic](https://github.com/waywardgeek/sonic), commit `8694c596378c24e340c09ff2cd47c065494233f1`
 * [IAccessible2](https://wiki.linuxfoundation.org/accessibility/iaccessible2/start), commit `3d8c7f0b833453f761ded6b12d8be431507bfe0b`
-* [liblouis](http://www.liblouis.io/), version 3.30.0
+* [liblouis](http://www.liblouis.io/), version 3.31.0
 * [Unicode Common Locale Data Repository (CLDR)](http://cldr.unicode.org/), version 45.0
 * NVDA images and sounds
 * [Adobe Acrobat accessibility interface, version XI](https://download.macromedia.com/pub/developer/acrobat/AcrobatAccess.zip)

source/brailleTables.py

@@ -359,7 +359,10 @@ def listTables() -> list[BrailleTable]:
 addTable("gu-in-g1.utb", _("Gujarati grade 1"))
 # Translators: The name of a braille table displayed in the
 # braille settings dialog.
-addTable("grc-international-en.utb", _("Greek international braille"))
+addTable("grc-international-en.utb", _("Greek international braille (2-cell accented letters)"))
+# Translators: The name of a braille table displayed in the
+# braille settings dialog.
+addTable("grc-international-en-composed.utb", _("Greek international braille (single-cell accented letters)"))
 # Translators: The name of a braille table displayed in the
 # braille settings dialog.
 addTable("grc-international-es.utb", _("Spanish for Greek text"))
@@ -626,7 +629,10 @@ def listTables() -> list[BrailleTable]:
 addTable("th-comp8-backward.utb", _("Thai 8 dot computer braille"), output=False)
 # Translators: The name of a braille table displayed in the
 # braille settings dialog.
-addTable("th-g0.utb", _("Thai 6 dot"), input=False)
+addTable("th-g0.utb", _("Thai grade 0"), input=False)
+# Translators: The name of a braille table displayed in the
+# braille settings dialog.
+addTable("th-g1.utb", _("Thai grade 1"), input=False, contracted=True)
 # Translators: The name of a braille table displayed in the
 # braille settings dialog.
 addTable("tr.ctb", _("Turkish grade 1"))

user_docs/en/changes.md

@@ -22,6 +22,8 @@ The minimum required version of Poedit that works with NVDA is now version 3.5.
 
 eSpeak NG has been updated, adding support for the Faroese and Xextan languages.
 
+LibLouis has been updated, adding new Braille tables for Thai and Greek international braille with single-cell accented letters.
+
 There have also been a number of fixes, including to mouse tracking in Firefox, and the on-demand speech mode.
 
 ### New Features
@@ -42,8 +44,17 @@ There have also been a number of fixes, including to mouse tracking in Firefox,
 ### Changes
 
 * The `-c`/`--config-path` and `--disable-addons` command line options are now respected when launching an update from within NVDA. (#16937)
-* eSpeak NG has been updated to 1.52-dev commit `961454ff`. (#16775)
-  * Added new languages Faroese and Xextan.
+* Component updates:
+  * Updated LibLouis Braille translator to [3.31.0](https://github.com/liblouis/liblouis/releases/tag/v3.31.0). (#17080, @LeonarddeR, @codeofdusk)
+    * Fixed translation of numbers in Spanish Braille.
+    * New Braille tables:
+      * Thai grade 1
+      * Greek international Braille (single-cell accented letters)
+    * Renamed tables:
+      * "Thai 6 dot" was renamed to "Thai grade 0" for consistency reasons.
+      * The existing "Greek international braille" table was renamed to "Greek international braille (2-cell accented letters)" to clarify the distinction between the two Greek systems.
+  * eSpeak NG has been updated to 1.52-dev commit `961454ff`. (#16775)
+    * Added new languages Faroese and Xextan.
 * When using a multi-line braille display via the standard HID braille driver, all lines of cells will be used. (#16993, @alexmoon)
 * The stability of NVDA's Poedit support has been improved with the side effect that the minimum required version of Poedit is now version 3.5. (#16889, @LeonarddeR)