showbreak question

showbreak question
I have a journal file, each line starts with a date.
I like short lines and an hanging indent.
The following setting works, but wonder if there is a simpler way. let &showbreak=' ' is not allowed in a modeline.

vim:set columns=68 wrap showbreak=\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ :

20130808.0943 Th journal entry... journal entry...
journal entry... journal entry...
journal entry... journal entry...

Best viewed in a monospaced font.

--
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

---
You received this message because you are subscribed to the Google Groups "vim_use" group.
To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.