Fix double slash

While here, quote forbiden chars.

Author: smortex

REFERENCE.md

@@ -1159,7 +1159,7 @@ The following parameters are available in the `mysql::db` defined type:
 
 The name of the database to create. Database names must:
   * not be longer than 64 characters.
-  * not contain / \ or . characters.
+  * not contain '/' '\' or '.' characters.
   * not contain characters that are not permitted in file names.
   * not end with space characters.
 

manifests/db.pp

@@ -12,7 +12,7 @@
 # @param name
 #   The name of the database to create. Database names must:
 #     * not be longer than 64 characters.
-#     * not contain / \ or . characters.
+#     * not contain '/' '\' or '.' characters.
 #     * not contain characters that are not permitted in file names.
 #     * not end with space characters.
 # @param user
@@ -69,7 +69,7 @@
   if $dbname !~ /^[^\/?%*:|\""<>.\s;]{1,64}$/ {
     $message = "The database name '${dbname}' is invalid. Values must:
       * not be longer than 64 characters.
-      * not contain // \\ or . characters.
+      * not contain '/' '\\' or '.' characters.
       * not contain characters that are not permitted in file names.
       * not end with space characters."
     fail($message)