Index: wp-admin/js/editor.js
===================================================================
--- wp-admin/js/editor.js	(révision 27049)
+++ wp-admin/js/editor.js	(copie de travail)
@@ -161,7 +161,6 @@
 		// Fix some block element newline issues
 		content = content.replace( /\s*<div/g, '\n<div' );
 		content = content.replace( /<\/div>\s*/g, '</div>\n' );
-		content = content.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
 		content = content.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );
 
 		blocklist2 = 'blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|h[1-6]|pre|fieldset';