"You must enter a secret key \n"
"or generate one"
"Changes are saved.\n"
"You may want to restart\n"
"the network and network services\n"
"or restart the computer."
"Sorry, there is nothing to be edited,\n"
"or this type cannot be edited yet."
Please don't hard code line breaks like this in messages, but instead allow
for automatic line wrapping of messages. This not only helps translators
for several reasons (as described in detail on
but it also improves accessibility since users can use other fonts and
larger font sizes without messages becoming ugly or even unreadable.
Also true for:
"You will now be guided through the\n"
"setup of the IPsec connection."