John Kitchin writes: Thanks for replying John. > I see, if it is just export you can still use a link with custom exporters for internal and external recipes. eg: [[irec: some recipe label]] might export to \uline{some recipe label} and [[erec:some other recipe]] might export to \ > uuline{some other recipe}, and you would use the ulem latex package to get those commands.  \uuline is working very nicely, and I've set it up through a yasnippet --8<---------------cut here---------------start------------->8--- # -*- mode: snippet -*- # name: double-underline # key: ulx # -- \uuline{ --8<---------------cut here---------------end--------------->8--- Thanks Sharon. > The colors I was referring to were for your benefit in org-mode to make it easy to see which kind of link it is. > > Another alternative is a macro: > > #+MACRO: irec  \uline{$1} > #+MACRO: erec  \uuline{$1} > #+LATEX_HEADER: \usepackage{ulem} > {{{irec(some label)}}} and {{{erec(some other label)}}} > > This exports to: \uline{some label} and \uuline{some other label}  > > John > > ----------------------------------- > Professor John Kitchin  > Doherty Hall A207F > Department of Chemical Engineering > Carnegie Mellon University > Pittsburgh, PA 15213 > 412-268-7803 > @johnkitchin > http://kitchingroup.cheme.cmu.edu > > On Wed, Dec 13, 2017 at 10:05 AM, Sharon Kimble wrote: > > John Kitchin writes: > > > You could just use regular links for this. You could setup a face function that changes the color depending on it being internal or external, or you could make separate links for them. See  > > http://kitchingroup.cheme.cmu.edu/blog/2016/11/04/New-link-features-in-org-9/ for many examples of what kinds of things can be done. > > > > John > > Thanks for replying John. > > I don't think I was quite as explicit as I should've been. I'm exporting > my org-mode documents into latex ones, which are then building a PDF, > which can then be printed in black and white (with no other colours > being allowed), with the ultimate aim of it being professionally printed > as books. > > Hence my need for both, double and single line, underlines. > > But I'm also open to any other way of finding some other way of showing > the different links, but I can only use either black or white colours. > > Thanks > Sharon. > > > ----------------------------------- > > Professor John Kitchin  > > Doherty Hall A207F > > Department of Chemical Engineering > > Carnegie Mellon University > > Pittsburgh, PA 15213 > > 412-268-7803 > > @johnkitchin > > http://kitchingroup.cheme.cmu.edu > > > > On Wed, Dec 13, 2017 at 6:56 AM, Sharon Kimble wrote: > > > >     For my current series of books that I'm writing in org-mode which is > >     being exported to latex, I need to differentiate between recipes in the > >     current working file, and to recipes in an external file. This is in a > >     series of books all containing recipes. So what I'm looking for is the > >     ability to use a single underline for internal, and a double underline > >     for external. I can do a single underline easily in org-mode, but I'm > >     having problems with a double underline. > > > >     But is it the best method, using single and double underlines? Can > >     anyone suggest some other ways of doing it, please? Like, for instance, > >     can I have a reference to a particular section in another file? > > > >     Thanks > >     Sharon > >     -- > >     A taste of linux = http://www.sharons.org.uk > >     TGmeds = http://www.tgmeds.org.uk > >     DrugFacts = https://www.drugfacts.org.uk > >     Debian 9.3, fluxbox 1.3.5-2, emacs 25.3.2, org-mode 9.1.4-2 > > > > -- > A taste of linux = http://www.sharons.org.uk > TGmeds = http://www.tgmeds.org.uk > DrugFacts = https://www.drugfacts.org.uk > Debian 9.3, fluxbox 1.3.5-2, emacs 25.3.2, org-mode 9.1.4-2 > -- A taste of linux = http://www.sharons.org.uk TGmeds = http://www.tgmeds.org.uk DrugFacts = https://www.drugfacts.org.uk Debian 9.3, fluxbox 1.3.5-2, emacs 25.3.2, org-mode 9.1.4-2