Am 04.10.2012 15:41, schrieb Werner LEMBERG: > >> As documented you can escape "\" by using "\\" or "\e\". > > To which documentation are you referring?
Unix Text Processing p.377 i guess it is also mentioned in the man/info pages related to groff. > >> This went wrong in a man page. Please try the stripped down example: >> >> .TH test 3 test >> .SH test >> .B "\en" >> .B "\\n" >> >> with "man -l example.1" i see the \n only once. >> Bug of feature ? >> NTL i found no mention in groff_man. > > If you say > > groff -Tutf8 -man -ww mantest.man > > you get the following warning: > > mantest.man:4: a newline character is not allowed in an escape name > > which you've probably missed. Reason is that `"\\n"' doesn't survive > multiple expansions. After the first expansion you have `\n', but > after the second expansion this tries to access a number register > which has the newline character as its name. > I suspected this. The problem for user is that you use "man" and you do no see any errors (most times this is really better). The use of "\n" is a specific problem for man pages. I would suggest adding a line that explains that and shows the alternative. here my idea for "MACROS TO SET FONTS". "If your \fItext\fP contains a backslash you will need to escape it. The most easy way of doing so is to use \ee." hope that helps, wh > You have to say > > .B "\\\\n" > > to make it work with backslashes only. > > > Werner >
