From d23c3e7a6756949daa727ad566a44a65cf19b2d5 Mon Sep 17 00:00:00 2001
From: evilchili <evilchili@gmail.com>
Date: Fri, 29 May 2026 14:09:35 -0700
Subject: [PATCH] bugfix

---
 src/ts/ribbit-editor.ts | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/ts/ribbit-editor.ts b/src/ts/ribbit-editor.ts
index bf13d58..1ba0dfe 100644
--- a/src/ts/ribbit-editor.ts
+++ b/src/ts/ribbit-editor.ts
@@ -549,14 +549,16 @@ export class RibbitEditor extends Ribbit {
     #updateCurrentBlock(): void {
         const block = this.#findCurrentBlock();
         if (!block) return;
-    
+
         const caretOffset = this.#getCaretOffset(block);
         const lineText = block.textContent!.replace(/\u00A0/g, ' ');
 
         const newBlock = this.#buildBlock(lineText);
         block.className = newBlock.className;
         block.innerHTML = '';
-        while (newBlock.firstChild) block.appendChild(newBlock.firstChild);
+        while (newBlock.firstChild) {
+            block.appendChild(newBlock.firstChild);
+        }
     
         // Place caret after any prefix span, never inside it
         const prefixSpan = block.firstElementChild;
@@ -578,6 +580,13 @@ export class RibbitEditor extends Ribbit {
             sel.removeAllRanges();
             sel.addRange(range);
         } else {
+
+            // switch spaces back to non-breaking spaces to avoid a chromium bug where a trailing space is ignored when
+            // positioning the caret. We only do this if the last character is a space; if we do it unconditionally it
+            // breaks detection of header nodes etc.
+            if (lineText.endsWith(' ')) {
+                block.innerHTML = block.innerHTML.replace(/\s/g, '\u00A0');
+            }
             this.#restoreCaret(block, caretOffset);
         }
     }
@@ -748,6 +757,7 @@ export class RibbitEditor extends Ribbit {
         let remaining = offset;
 
         const placed = this.#walkForCaret(block, range, remaining);
+
         if (!placed) {
             range.selectNodeContents(block);
             range.collapse(false);