NEW Default values in extrafields are not more limited to 255 char.

htdocs/install/mysql/migration/16.0.0-17.0.0.sql

@@ -183,3 +183,4 @@ ALTER TABLE llx_socpeople ADD INDEX idx_socpeople_lastname (lastname);
 
 ALTER TABLE llx_societe ADD INDEX idx_societe_nom(nom);
 
+ALTER TABLE llx_extrafields MODIFY COLUMN fielddefault text;

htdocs/install/mysql/tables/llx_extrafields.sql

@@ -27,7 +27,7 @@ create table llx_extrafields
 	type            varchar(8),
 	size            varchar(8) DEFAULT NULL,
 	fieldcomputed   text,
-	fielddefault    varchar(255),
+	fielddefault    text,
 	fieldunique     integer DEFAULT 0,
 	fieldrequired   integer DEFAULT 0,
 	perms			varchar(255),								-- not used yet