Thank you Charles Berry and John Kitchin for your replies. John Kitchin <jkitc...@andrew.cmu.edu> writes:
> I have org-src-preserve-indentation set to t. > > Charles C. Berry writes: > >> On Wed, 11 Mar 2015, Roger Mason wrote: >> >>> Hello, >>> >>> This code: >>> >>> #+BEGIN_SRC makefile :tangle Makefile >>> hello: hello.f90 >>> gfortran hello.f90 >>> >>> execute: hello >>> ./a.out >>> >>> clean: >>> rm -f a.out *.o >>> #+END_SRC >>> >>> (stolen from John Kitchin) produces a Makefile with spaces instead of >>> tabs. I created the content in makefile mode, with tabs, but emacs >>> untabifies the output. How can I prevent this? >> >> Use the `-i' results switch: >> >> #+BEGIN_SRC makefile -i :tangle Makefile >> >> or set `org-src-preserve-indentation' non-nil. The -i switch did not work for me but setting org-src-preserve-indentation did. Thanks again, Roger