fix a few typos found via codespell.

CHANGELOG.md

@@ -97,7 +97,7 @@
 
 ### Changed
 
-- Warn when unkown configuration option is used.
+- Warn when unknown configuration option is used.
 
 ### Fixed
 

src/comment.rs

@@ -832,7 +832,7 @@ fn trim_custom_comment_prefix(s: &str) -> String {
             let left_trimmed = line.trim_left();
             if left_trimmed.starts_with(RUSTFMT_CUSTOM_COMMENT_PREFIX) {
                 let orig = left_trimmed.trim_left_matches(RUSTFMT_CUSTOM_COMMENT_PREFIX);
-                // due to comment wrapping, a line that was originaly behind `#` is split over
+                // due to comment wrapping, a line that was originally behind `#` is split over
                 // multiple lines, which needs then to be prefixed with a `#`
                 if !orig.trim_left().starts_with("# ") {
                     Cow::from(format!("# {}", orig))

src/config/config_type.rs

@@ -424,7 +424,7 @@ macro_rules! create_config {
                 self.ignore.2.add_prefix(dir);
             }
 
-            /// Returns true if the config key was explicitely set and is the default value.
+            /// Returns true if the config key was explicitly set and is the default value.
             pub fn is_default(&self, key: &str) -> bool {
                 $(
                     if let stringify!($i) = key {

src/items.rs

@@ -1592,7 +1592,7 @@ pub fn rewrite_struct_field(
     for _ in 0..lhs_offset {
         spacing.push(' ');
     }
-    // In this extreme case we will be missing a space betweeen an attribute and a field.
+    // In this extreme case we will be missing a space between an attribute and a field.
     if prefix.is_empty() && !attrs_str.is_empty() && attrs_extendable && spacing.is_empty() {
         spacing.push(' ');
     }

src/lib.rs

@@ -117,7 +117,7 @@ pub enum ErrorKind {
     /// An io error during reading or writing.
     #[fail(display = "io error: {}", _0)]
     IoError(io::Error),
-    /// Parse error occured when parsing the Input.
+    /// Parse error occurred when parsing the input.
     #[fail(display = "parse error")]
     ParseError,
     /// The user mandated a version and the current version of Rustfmt does not
@@ -407,7 +407,7 @@ fn format_code_block(code_snippet: &str, config: &Config) -> Option<String> {
     // While formatting the code, ignore the config's newline style setting and always use "\n"
     // instead of "\r\n" for the newline characters. This is okay because the output here is
     // not directly outputted by rustfmt command, but used by the comment formatter's input.
-    // We have output-file-wide "\n" ==> "\r\n" conversion proccess after here if it's necessary.
+    // We have output-file-wide "\n" ==> "\r\n" conversion process after here if it's necessary.
     let mut config_with_unix_newline = config.clone();
     config_with_unix_newline
         .set()

src/missed_spans.rs

@@ -20,7 +20,7 @@ use utils::{count_newlines, last_line_width, mk_sp};
 use visitor::FmtVisitor;
 
 struct SnippetStatus {
-    /// An offset to the current line from the beginnig of the original snippet.
+    /// An offset to the current line from the beginning of the original snippet.
     line_start: usize,
     /// A length of trailing whitespaces on the current line.
     last_wspace: Option<usize>,

src/patterns.rs

@@ -29,7 +29,7 @@ use spanned::Spanned;
 use types::{rewrite_path, PathContext};
 use utils::{format_mutability, mk_sp, rewrite_ident};
 
-/// Returns true if the given pattern is short. A short pattern is defined by the following grammer:
+/// Returns true if the given pattern is short. A short pattern is defined by the following grammar:
 ///
 /// [small, ntp]:
 ///     - single token

src/string.rs

@@ -62,7 +62,7 @@ impl<'a> StringFormat<'a> {
         )
     }
 
-    /// Like max_chars_with_indent but the indentation is not substracted.
+    /// Like max_chars_with_indent but the indentation is not subtracted.
     /// This allows to fit more graphemes from the string on a line when
     /// SnippetState::EndWithLineFeed.
     fn max_chars_without_indent(&self) -> Option<usize> {
@@ -236,7 +236,7 @@ fn break_string(max_chars: usize, trim_end: bool, line_end: &str, input: &[&str]
             .iter()
             .rposition(|grapheme| not_whitespace_except_line_feed(grapheme))
             .unwrap_or(index);
-        // Take into account newlines occuring in input[0..=index], i.e., the possible next new
+        // Take into account newlines occurring in input[0..=index], i.e., the possible next new
         // line. If there is one, then text after it could be rewritten in a way that the available
         // space is fully used.
         for (i, grapheme) in input[0..=index].iter().enumerate() {

tests/source/match.rs

@@ -150,7 +150,7 @@ fn issue339() {
         {
 
         }
-        p => { // Dont collapse me
+        p => { // Don't collapse me
         } q => { } r =>
         {
 

tests/source/pattern-condense-wildcards.rs

@@ -7,6 +7,6 @@ fn main() {
         Tup (_) =>  "nah",
         Quad (_,_, x,_) =>   " also no rewrite",
         Quad (x, _, _, _) => "condense me pls",
-        Weird (x, _, _, /* dont condense before */ _, _, _) => "pls work",
+        Weird (x, _, _, /* don't condense before */ _, _, _) => "pls work",
     }
 }

tests/source/remove_blank_lines.rs

@@ -35,7 +35,7 @@ fn bar() {
     // comment after statement
 
 
-    // comment before statment
+    // comment before statement
     let y = 2;
     let z = 3;
 

tests/source/reorder-impl-items.rs

@@ -1,6 +1,6 @@
 // rustfmt-reorder_impl_items: true
 
-// The ordering of the folllowing impl items should be idempotent.
+// The ordering of the following impl items should be idempotent.
 impl<'a> Command<'a> {
     pub fn send_to(&self, w: &mut io::Write) -> io::Result<()> {
         match self {

tests/target/impl.rs

@@ -8,7 +8,7 @@ impl<K, V, NodeRef: Deref<Target = Node<K, V>>> Handle<NodeRef, handle::Edge, ha
 
 impl<V> Test<V>
 where
-    V: Clone, // This comment is NOT removed by formating!
+    V: Clone, // This comment is NOT removed by formatting!
 {
     pub fn new(value: V) -> Self {
         Test {

tests/target/match.rs

@@ -149,7 +149,7 @@ fn issue339() {
         n => {}
         o => {}
         p => {
-            // Dont collapse me
+            // Don't collapse me
         }
         q => {}
         r => {}

tests/target/pattern-condense-wildcards.rs

@@ -7,6 +7,6 @@ fn main() {
         Tup(_) => "nah",
         Quad(_, _, x, _) => " also no rewrite",
         Quad(x, ..) => "condense me pls",
-        Weird(x, _, _, /* dont condense before */ ..) => "pls work",
+        Weird(x, _, _, /* don't condense before */ ..) => "pls work",
     }
 }

tests/target/remove_blank_lines.rs

@@ -20,7 +20,7 @@ fn bar() {
     let x = 1;
     // comment after statement
 
-    // comment before statment
+    // comment before statement
     let y = 2;
     let z = 3;
 

tests/target/reorder-impl-items.rs

@@ -1,6 +1,6 @@
 // rustfmt-reorder_impl_items: true
 
-// The ordering of the folllowing impl items should be idempotent.
+// The ordering of the following impl items should be idempotent.
 impl<'a> Command<'a> {
     pub fn send_to(&self, w: &mut io::Write) -> io::Result<()> {
         match self {