Replace homebrew include_md with mdbook feature

mdbook now supports anchors to include partial files, which means we
don't need custom include_md support to include only a portion of the
readme in chapters.

Cargo.toml

@@ -5,7 +5,6 @@ members = [
     "c2rust-ast-builder",
     "c2rust-ast-exporter",
     "c2rust-ast-printer",
-    "manual/preprocessors",
     "c2rust-bitfields",
     "c2rust-macros",
     "c2rust-asm-casts",

README.md

@@ -21,6 +21,8 @@ To learn more, check out our [RustConf'18](https://www.youtube.com/watch?v=WEsR0
 
 To learn more about using and developing C2Rust, check out the [manual](https://c2rust.com/manual/). The manual is still a work-in-progress, so if you can't find something please let us know.
 
+<!-- ANCHOR: installation -->
+
 ## Installation
 
 ### Prerequisites
@@ -83,6 +85,9 @@ Please note that the master branch is under constant development and you may exp
 
 You should also set `LLVM_CONFIG_PATH` accordingly if required as described above.
 
+<!-- ANCHOR_END: installation -->
+<!-- ANCHOR: translating-c-to-rust -->
+
 ## Translating C to Rust
 
 To translate C files specified in `compile_commands.json` (see below), run the `c2rust` tool with the `transpile` subcommand:
@@ -155,6 +160,8 @@ If you have [bear](https://github.com/rizsotto/Bear) installed, it can be used s
 
     bear <build command>
 
+<!-- ANCHOR_END: translating-c-to-rust -->
+
 ## Contact
 To report issues with translation or refactoring, please use our [Issue Tracker](https://github.com/immunant/c2rust/issues).
 

book.toml

@@ -4,10 +4,7 @@ src = "manual/"
 
 [build]
 create-missing = false
-preprocess = ["links", "index", "include_md", "generator_dispatch"]
-
-[preprocessor.include_md]
-command = "cargo run --bin mdbook-include_md --quiet --"
+preprocess = ["links", "index"]
 
 [preprocessor.generator_dispatch]
 command = "python3 manual/preprocessors/generator_dispatch.py"

manual/installation.md

@@ -1 +1 @@
-{{#include_md README.md#installation}}
+{{#include README.md:installation}}