5 files changed, 91 insertions, 0 deletions
diff --git a/wp-includes/blocks/post-navigation-link/block.json b/wp-includes/blocks/post-navigation-link/block.json
new file mode 100644
index 0000000..e1b6d4f
--- /dev/null
+++ b/wp-includes/blocks/post-navigation-link/block.json
@@ -0,0 +1,55 @@
+{
+	"$schema": "https://schemas.wp.org/trunk/block.json",
+	"apiVersion": 3,
+	"name": "core/post-navigation-link",
+	"title": "Post Navigation Link",
+	"category": "theme",
+	"description": "Displays the next or previous post link that is adjacent to the current post.",
+	"textdomain": "default",
+	"attributes": {
+		"textAlign": {
+			"type": "string"
+		},
+		"type": {
+			"type": "string",
+			"default": "next"
+		},
+		"label": {
+			"type": "string"
+		},
+		"showTitle": {
+			"type": "boolean",
+			"default": false
+		},
+		"linkLabel": {
+			"type": "boolean",
+			"default": false
+		},
+		"arrow": {
+			"type": "string",
+			"default": "none"
+		}
+	},
+	"supports": {
+		"reusable": false,
+		"html": false,
+		"color": {
+			"link": true
+		},
+		"typography": {
+			"fontSize": true,
+			"lineHeight": true,
+			"__experimentalFontFamily": true,
+			"__experimentalFontWeight": true,
+			"__experimentalFontStyle": true,
+			"__experimentalTextTransform": true,
+			"__experimentalTextDecoration": true,
+			"__experimentalLetterSpacing": true,
+			"__experimentalWritingMode": true,
+			"__experimentalDefaultControls": {
+				"fontSize": true
+			}
+		}
+	},
+	"style": "wp-block-post-navigation-link"
+}
diff --git a/wp-includes/blocks/post-navigation-link/style-rtl.css b/wp-includes/blocks/post-navigation-link/style-rtl.css
new file mode 100644
index 0000000..acc74dc
--- /dev/null
+++ b/wp-includes/blocks/post-navigation-link/style-rtl.css
@@ -0,0 +1,17 @@
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous{
+  display:inline-block;
+  margin-left:1ch;
+}
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous:not(.is-arrow-chevron){
+  transform:scaleX(-1);;
+}
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next{
+  display:inline-block;
+  margin-right:1ch;
+}
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next:not(.is-arrow-chevron){
+  transform:scaleX(-1);;
+}
+.wp-block-post-navigation-link.has-text-align-left[style*="writing-mode: vertical-lr"],.wp-block-post-navigation-link.has-text-align-right[style*="writing-mode: vertical-rl"]{
+  rotate:180deg;
+}
+\ No newline at end of file
diff --git a/wp-includes/blocks/post-navigation-link/style-rtl.min.css b/wp-includes/blocks/post-navigation-link/style-rtl.min.css
new file mode 100644
index 0000000..bad3523
--- /dev/null
+++ b/wp-includes/blocks/post-navigation-link/style-rtl.min.css
@@ -0,0 +1 @@
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous{display:inline-block;margin-left:1ch}.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous:not(.is-arrow-chevron){transform:scaleX(-1)}.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next{display:inline-block;margin-right:1ch}.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next:not(.is-arrow-chevron){transform:scaleX(-1)}.wp-block-post-navigation-link.has-text-align-left[style*="writing-mode: vertical-lr"],.wp-block-post-navigation-link.has-text-align-right[style*="writing-mode: vertical-rl"]{rotate:180deg}
+\ No newline at end of file
diff --git a/wp-includes/blocks/post-navigation-link/style.css b/wp-includes/blocks/post-navigation-link/style.css
new file mode 100644
index 0000000..66c1722
--- /dev/null
+++ b/wp-includes/blocks/post-navigation-link/style.css
@@ -0,0 +1,17 @@
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous{
+  display:inline-block;
+  margin-right:1ch;
+}
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous:not(.is-arrow-chevron){
+  transform:scaleX(1);
+}
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next{
+  display:inline-block;
+  margin-left:1ch;
+}
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next:not(.is-arrow-chevron){
+  transform:scaleX(1);
+}
+.wp-block-post-navigation-link.has-text-align-left[style*="writing-mode: vertical-lr"],.wp-block-post-navigation-link.has-text-align-right[style*="writing-mode: vertical-rl"]{
+  rotate:180deg;
+}
+\ No newline at end of file
diff --git a/wp-includes/blocks/post-navigation-link/style.min.css b/wp-includes/blocks/post-navigation-link/style.min.css
new file mode 100644
index 0000000..bc14451
--- /dev/null
+++ b/wp-includes/blocks/post-navigation-link/style.min.css
@@ -0,0 +1 @@
+.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous{display:inline-block;margin-right:1ch}.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-previous:not(.is-arrow-chevron){transform:scaleX(1)}.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next{display:inline-block;margin-left:1ch}.wp-block-post-navigation-link .wp-block-post-navigation-link__arrow-next:not(.is-arrow-chevron){transform:scaleX(1)}.wp-block-post-navigation-link.has-text-align-left[style*="writing-mode: vertical-lr"],.wp-block-post-navigation-link.has-text-align-right[style*="writing-mode: vertical-rl"]{rotate:180deg}
+\ No newline at end of file