Re: [Rd] Wishlist: Sweave: allow line breaks after forward slashes (PR#9443)

From: Friedrich Leisch <>
Date: Thu 11 Jan 2007 - 14:42:26 GMT

>>>>> On Thu, 11 Jan 2007 15:07:00 +0100 (CET), >>>>> ahenningsen (a) wrote:

> Full_Name: Arne Henningsen
> Version: 2.4.0
> OS: Linux
> Submission from: (NULL) (

> Sweave does not allow line breaks after forward slashes ("/"). This might lead
> to a long "substring" of a command that cannot be wrapped. Hence, Sweave either
> keeps this long "substring" in the current line and produces a too long line or
> it moves the entire "substring" in the following line and leaves the current
> line rather empty. This problem can be solved if Sweave is allowed to introduce
> line breaks after forward slashes. (I guess that this problem can also be solved
> if parse() adds a blank after a forward slash.)

> Example:
> The following expression cannot be wrapped by Sweave:

> mean(myDataframe$myFirstVariable)/mean(myDataframe$mySecondVariable)

In R 2.5.0 you can use Sweave option keep.source=TRUE to keep the original formatting of source code, including all indentation and line breaks -> does this solve your problem?

Fritz Leisch mailing list Received on Fri Jan 12 02:10:37 2007

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Thu 11 Jan 2007 - 15:31:08 GMT.

Mailing list information is available at Please read the posting guide before posting to the list.