Minor changes (#33)

* fix: these should not be escaped

* minor: formatting to error message

blog/posts/2024-06-30-extendr-release-070/index.qmd

@@ -90,7 +90,7 @@ For example migrating from to 0.7.0 in the package
 [`{arcgisplaces}`](https://cran.r-project.org/package=arcgisplaces) results in
 the compiler error:
 
-```         
+```rust
 error[E0308]: mismatched types
   --> src/lib.rs:15:13
    |

user-guide/index.qmd

@@ -29,11 +29,11 @@ This book is not intended to be a comprehensive introduction to Rust. While do
 go over some of the basics, more often than not, concepts are introduced only to
 help explain extendr tools. That said, we do try to include copious references
 and links to additional resources that the reader can follow to learn more about
-specific topics. Of course, the biggest reference will be \["The
-Book"\](<https://doc.rust-lang.org/stable/book/>).
+specific topics. Of course, the biggest reference will be ["The
+Book"](<https://doc.rust-lang.org/stable/book/>).
 
 This book is also not intended to be a comprehensive guide to R package
-development! There are, quite frankly, better resources for that, notably \[R
-Packages (2e)\](<https://r-pkgs.org/>). As with Rust specifics, we will strive
+development! There are, quite frankly, better resources for that, notably [R
+Packages (2e)](<https://r-pkgs.org/>). As with Rust specifics, we will strive
 to point you in the right direction to get more details and advice when you need
 it.