Ignore range_plus_one pedantic clippy lint

    error: an inclusive range would be more readable
        --> src/expr.rs:2743:26
         |
    2743 |                 .subspan(part_end..part_end + 1)
         |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use: `part_end..=part_end`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
         = note: `-D clippy::range-plus-one` implied by `-D clippy::pedantic`

src/lib.rs

@@ -281,6 +281,7 @@
     clippy::needless_doctest_main,
     clippy::needless_pass_by_value,
     clippy::never_loop,
+    clippy::range_plus_one,
     clippy::redundant_else,
     clippy::return_self_not_must_use,
     clippy::similar_names,