From a9f802d77e6a4287830f269f6ada4aac084c6519 Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@protonmail.com>
Date: Mon, 9 Jun 2025 21:21:33 +0200
Subject: [PATCH] fixed a bunch of issues related to attribution of formats

---
 src/types/YText.js | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/types/YText.js b/src/types/YText.js
index 20dc6662..7bde7754 100644
--- a/src/types/YText.js
+++ b/src/types/YText.js
@@ -972,7 +972,7 @@ export class YText extends AbstractType {
         const renderDelete = c.render && c.deleted
         // existing content that should be retained, only adding changed attributes
         const retainContent = !c.render && (!c.deleted || c.attrs != null)
-        const attribution = renderContent ? createAttributionFromAttributionItems(c.attrs, c.deleted) : null
+        const attribution = (renderContent || c.content.constructor === ContentFormat) ? createAttributionFromAttributionItems(c.attrs, c.deleted) : null
         switch (c.content.constructor) {
           case ContentDeleted: {
             if (renderDelete) d.delete(c.content.getLength())
@@ -1032,15 +1032,15 @@ export class YText extends AbstractType {
             if (renderContent || renderDelete) {
               if (c.deleted) {
                 // content was deleted, but is possibly attributed
-                if (equalAttrs(value, currAttrVal)) {
-                  // nop
-                } else if (equalAttrs(currAttrVal, previousAttributes[key] ?? null) && changedAttributes[key] !== undefined) {
-                  delete changedAttributes[key]
-                } else {
-                  changedAttributes[key] = currAttrVal
+                if (!equalAttrs(value, currAttrVal)) { // do nothing if nothing changed
+                  if (equalAttrs(currAttrVal, previousAttributes[key] ?? null) && changedAttributes[key] !== undefined) {
+                    delete changedAttributes[key]
+                  } else {
+                    changedAttributes[key] = currAttrVal
+                  }
+                  // current attributes doesn't change
+                  previousAttributes[key] = value
                 }
-                // current attributes doesn't change
-                previousAttributes[key] = value
               } else { // !c.deleted
                 // content was inserted, and is possibly attributed
                 if (equalAttrs(value, currAttrVal)) {