Can't check that links work locally

[jyn514]

I'm trying to add more links to the book as I go to things like ptr::offset and mem::transmute that I haven't seen before and would like to read up on. However, I can't test locally whether my changes work, because they point to relative links like ../std/primitive.pointer.html#method.offset. How can I test that my links are working before I make a PR?

[jyn514]

The way I got around this locally is to build the rust compiler from source (ouch):

$ git clone https://github.com/rust-lang/rust rustc && cd rustc
$ ./x.py doc src/libstd --stage 1 
$ cd build/x86_64-unknown-linux-gnu/crate-docs
$ ln -s /path/to/nomicon/book nomicon

And then I open rustc/build/x86_64-unknown-linux-gnu/crate-docs/nomicon/index.html instead of /path/to/nomicon/book/index.html, running mdbook build in the nomicon repo as necessary.