From 97564616e198182ea5fb349a95c2e011827a8333 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Sun, 24 Sep 2017 11:27:17 +0000
Subject: [PATCH] I18N: Allow for post custom field name in `the_meta()` to be
 translated, e.g. to insert a non-breaking space before the colon.

Props audrasjb, johnbillion.
Fixes #41653.

git-svn-id: https://develop.svn.wordpress.org/trunk@41583 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/post-template.php | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php
index 7d7786abcb..b80ac4d4e4 100644
--- a/src/wp-includes/post-template.php
+++ b/src/wp-includes/post-template.php
@@ -1018,11 +1018,19 @@ function the_meta() {
 	if ( $keys = get_post_custom_keys() ) {
 		echo "<ul class='post-meta'>\n";
 		foreach ( (array) $keys as $key ) {
-			$keyt = trim($key);
-			if ( is_protected_meta( $keyt, 'post' ) )
+			$keyt = trim( $key );
+			if ( is_protected_meta( $keyt, 'post' ) ) {
 				continue;
-			$values = array_map('trim', get_post_custom_values($key));
-			$value = implode($values,', ');
+			}
+
+			$values = array_map( 'trim', get_post_custom_values( $key ) );
+			$value = implode( $values, ', ' );
+
+			$html = sprintf( "<li><span class='post-meta-key'>%s</span> %s</li>\n",
+				/* translators: %s: Post custom field name */
+				sprintf( _x( '%s:', 'Post custom field name' ), $key ),
+				$value
+			);
 
 			/**
 			 * Filters the HTML output of the li element in the post custom fields list.
@@ -1033,7 +1041,7 @@ function the_meta() {
 			 * @param string $key   Meta key.
 			 * @param string $value Meta value.
 			 */
-			echo apply_filters( 'the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value );
+			echo apply_filters( 'the_meta_key', $html, $key, $value );
 		}
 		echo "</ul>\n";
 	}