Update per processwire/processwire-issues#648

wire/core/PagesEditor.php

@@ -361,7 +361,6 @@ class PagesEditor extends Wire {
 	 * @param array $options
 	 * 	- format: Optionally specify the format to use, or leave blank to auto-determine.
 	 * @return string If a name was generated it is returned. If no name was generated blank is returned.
-	 * @throws WireException if unique name can't be generated (highly unlikely)
 	 *
 	 */
 	public function setupPageName(Page $page, array $options = array()) {
@@ -608,6 +607,9 @@ class PagesEditor extends Wire {
 		$page->set($nameField, $pageName);
 		$query->bindValue(":$nameField", $this->wire('sanitizer')->pageName($pageName, Sanitizer::toAscii));
 		
+		// indicate that page has a modified name 
+		$this->pages->names()->hasAdjustedName($page, true);
+		
 		return true;
 	}
 

wire/core/PagesNames.php

@@ -109,6 +109,19 @@ class PagesNames extends Wire {
 		return $name;
 	}
 
+	/**
+	 * Does the given page have a modified “name” during this request?
+	 * 
+	 * @param Page $page
+	 * @param bool|null $set Specify boolean true or false to set whether or not it has an adjusted name, or omit just to get
+	 * @return bool
+	 * 
+	 */
+	public function hasAdjustedName(Page $page, $set = null) {
+		if(is_bool($set)) $page->setQuietly('_hasAdjustedName', $set);
+		return $page->get('_hasAdjustedName') ? true : false;
+	}
+
 	/**
 	 * Is given page name an untitled page name?
 	 * 

wire/modules/Process/ProcessPageAdd/ProcessPageAdd.module

@@ -1197,9 +1197,9 @@ class ProcessPageAdd extends Process implements ConfigurableModule, WirePageEdit
 			return false;
 		}
 
-		$this->createdPageMessage($this->page); 
-		
-		if($pageName != $this->page->name) {
+		$this->createdPageMessage($this->page);
+
+		if($this->wire('pages')->names()->hasAdjustedName($this->page)) {
 			$warning = $this->nameChangedWarning($this->page, $pageName);
 			if($warning) $this->warning($warning);
 		}