apply #296 fix to v5

Author: oscarotero

CHANGELOG.md

@@ -1,12 +1,15 @@
 # Change Log
-
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 Previous releases are documented in [github releases](https://github.com/oscarotero/Gettext/releases)
 
+## [5.7.1] - Unreleased
+### Fixed
+- Parsing of PO files with empty comments instead of empty lines [#296]
+
 ## [5.7.0] - 2022-07-27
 ### Added
 - StrictPoLoader, a stricter PO loader more aligned with the syntax of the GNU gettext tooling [#282].
@@ -121,7 +124,9 @@ Previous releases are documented in [github releases](https://github.com/oscarot
 [#276]: https://github.com/php-gettext/Gettext/issues/276
 [#278]: https://github.com/php-gettext/Gettext/issues/278
 [#282]: https://github.com/php-gettext/Gettext/issues/282
+[#296]: https://github.com/php-gettext/Gettext/issues/296
 
+[5.7.1]: https://github.com/php-gettext/Gettext/compare/v5.7.0...HEAD
 [5.7.0]: https://github.com/php-gettext/Gettext/compare/v5.6.1...v5.7.0
 [5.6.1]: https://github.com/php-gettext/Gettext/compare/v5.6.0...v5.6.1
 [5.6.0]: https://github.com/php-gettext/Gettext/compare/v5.5.4...v5.6.0

src/Loader/PoLoader.php

@@ -23,6 +23,11 @@ public function loadString(string $string, Translations $translations = null): T
             $line = trim($line);
             $nextLine = next($lines);
 
+            // Treat empty comments as empty lines https://github.com/php-gettext/Gettext/pull/296
+            if ($line === "#") {
+                $line = "";
+            }
+
             //Multiline
             while (substr($line, -1, 1) === '"'
                 && $nextLine !== false

tests/assets/translations.po

@@ -54,7 +54,7 @@ msgstr "Ovo polje ne može ostati prazno."
 #: C:/Users/Me/Documents/foo1.php
 msgid "This field cannot be blank."
 msgstr "Ovo polje ne može biti prazno."
-
+#
 #: attributes/address/composer.php:8 attributes/address/form.php:7
 msgid "Field of type: %ss"
 msgstr "Polje tipa: %ss"