Fix possessive "its" in docs and comments (#3998)

This PR fixes a number of places where we were incorrectly using "it's"
where we needed to use the possessive "its".

Release Notes:

- N/A

crates/editor/src/editor.rs

@@ -7050,7 +7050,7 @@ impl Editor {
         let buffer = self.buffer.read(cx).snapshot(cx);
         let selection = self.selections.newest::<usize>(cx);
 
-        // If there is an active Diagnostic Popover. Jump to it's diagnostic instead.
+        // If there is an active Diagnostic Popover jump to its diagnostic instead.
         if direction == Direction::Next {
             if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
                 let (group_id, jump_to) = popover.activation_info();

crates/gpui/src/action.rs

@@ -104,7 +104,7 @@ pub struct ActionData {
 }
 
 /// This constant must be public to be accessible from other crates.
-/// But it's existence is an implementation detail and should not be used directly.
+/// But its existence is an implementation detail and should not be used directly.
 #[doc(hidden)]
 #[linkme::distributed_slice]
 pub static __GPUI_ACTIONS: [MacroActionBuilder];

crates/gpui/src/color.rs

@@ -321,7 +321,7 @@ impl Hsla {
     ///
     /// Assumptions:
     /// - Alpha values are contained in the range [0, 1], with 1 as fully opaque and 0 as fully transparent.
-    /// - The relative contributions of `self` and `other` is based on `self`'s alpha value (`self.a`) and `other`'s  alpha value (`other.a`), `self` contributing `self.a * (1.0 - other.a)` and `other` contributing it's own alpha value.
+    /// - The relative contributions of `self` and `other` is based on `self`'s alpha value (`self.a`) and `other`'s  alpha value (`other.a`), `self` contributing `self.a * (1.0 - other.a)` and `other` contributing its own alpha value.
     /// - RGB color components are contained in the range [0, 1].
     /// - If `self` and `other` colors are out of the valid range, the blend operation's output and behavior is undefined.
     pub fn blend(self, other: Hsla) -> Hsla {

crates/gpui/src/elements/overlay.rs

@@ -45,7 +45,7 @@ impl Overlay {
     }
 
     /// Sets the position mode for this overlay. Local will have this
-    /// interpret it's [Overlay::position] as relative to the parent element.
+    /// interpret its [`Overlay::position`] as relative to the parent element.
     /// While Window will have it interpret the position as relative to the window.
     pub fn position_mode(mut self, mode: OverlayPositionMode) -> Self {
         self.position_mode = mode;

crates/rope/src/rope.rs

@@ -78,7 +78,7 @@ impl Rope {
     }
 
     pub fn slice_rows(&self, range: Range<u32>) -> Rope {
-        //This would be more efficient with a forward advance after the first, but it's fine
+        // This would be more efficient with a forward advance after the first, but it's fine.
         let start = self.point_to_offset(Point::new(range.start, 0));
         let end = self.point_to_offset(Point::new(range.end, 0));
         self.slice(start..end)

crates/search/src/buffer_search.rs

@@ -423,7 +423,7 @@ impl ToolbarItemView for BufferSearchBar {
     }
 }
 
-/// Registrar inverts the dependency between search and it's downstream user, allowing said downstream user to register search action without knowing exactly what those actions are.
+/// Registrar inverts the dependency between search and its downstream user, allowing said downstream user to register search action without knowing exactly what those actions are.
 pub trait SearchActionsRegistrar {
     fn register_handler<A: Action>(
         &mut self,

crates/semantic_index/src/semantic_index.rs

@@ -1248,7 +1248,7 @@ impl SemanticIndex {
 impl Drop for JobHandle {
     fn drop(&mut self) {
         if let Some(inner) = Arc::get_mut(&mut self.tx) {
-            // This is the last instance of the JobHandle (regardless of it's origin - whether it was cloned or not)
+            // This is the last instance of the JobHandle (regardless of its origin - whether it was cloned or not)
             if let Some(tx) = inner.upgrade() {
                 let mut tx = tx.lock();
                 *tx.borrow_mut() -= 1;

crates/terminal/src/terminal.rs

@@ -983,7 +983,7 @@ impl Terminal {
         let mut terminal = if let Some(term) = term.try_lock_unfair() {
             term
         } else if self.last_synced.elapsed().as_secs_f32() > 0.25 {
-            term.lock_unfair() //It's been too long, force block
+            term.lock_unfair() // It's been too long, force block
         } else if let None = self.sync_task {
             //Skip this frame
             let delay = cx.background_executor().timer(Duration::from_millis(16));
@@ -1402,9 +1402,9 @@ fn content_index_for_mouse(pos: Point<Pixels>, size: &TerminalSize) -> usize {
     clamped_row * size.columns() + clamped_col
 }
 
-///Converts an 8 bit ANSI color to it's GPUI equivalent.
-///Accepts usize for compatibility with the alacritty::Colors interface,
-///Other than that use case, should only be called with values in the [0,255] range
+/// Converts an 8 bit ANSI color to it's GPUI equivalent.
+/// Accepts `usize` for compatibility with the `alacritty::Colors` interface,
+/// Other than that use case, should only be called with values in the [0,255] range
 pub fn get_color_at_index(index: usize, theme: &Theme) -> Hsla {
     let colors = theme.colors();
 

crates/ui/docs/hello-world.md

@@ -74,7 +74,7 @@ As you start using the Tailwind-style conventions you will be surprised how quic
 
 **Why `50.0/360.0` in `hsla()`?**
 
-gpui [gpui::Hsla] use `0.0-1.0` for all it's values, but it is common for tools to use `0-360` for hue.
+gpui [gpui::Hsla] use `0.0-1.0` for all its values, but it is common for tools to use `0-360` for hue.
 
 This may change in the future, but this is a little trick that let's you use familiar looking values.
 

crates/ui/src/components/checkbox.rs

@@ -73,7 +73,7 @@ impl RenderOnce for Checkbox {
         //  - a previously agreed to license that has been updated
         //
         // For the sake of styles we treat the indeterminate state as selected,
-        // but it's icon will be different.
+        // but its icon will be different.
         let selected =
             self.checked == Selection::Selected || self.checked == Selection::Indeterminate;
 

crates/ui/src/disableable.rs

@@ -1,4 +1,4 @@
-/// A trait for elements that can be disabled. Generally used to implement disabling an element's interactivity and changing it's appearance to reflect that it is disabled.
+/// A trait for elements that can be disabled. Generally used to implement disabling an element's interactivity and changing its appearance to reflect that it is disabled.
 pub trait Disableable {
     /// Sets whether the element is disabled.
     fn disabled(self, disabled: bool) -> Self;

crates/util/src/util.rs

@@ -41,8 +41,8 @@ pub fn truncate(s: &str, max_chars: usize) -> &str {
     }
 }
 
-/// Removes characters from the end of the string if it's length is greater than `max_chars` and
-/// appends "..." to the string. Returns string unchanged if it's length is smaller than max_chars.
+/// Removes characters from the end of the string if its length is greater than `max_chars` and
+/// appends "..." to the string. Returns string unchanged if its length is smaller than max_chars.
 pub fn truncate_and_trailoff(s: &str, max_chars: usize) -> String {
     debug_assert!(max_chars >= 5);
 
@@ -53,8 +53,8 @@ pub fn truncate_and_trailoff(s: &str, max_chars: usize) -> String {
     }
 }
 
-/// Removes characters from the front of the string if it's length is greater than `max_chars` and
-/// prepends the string with "...". Returns string unchanged if it's length is smaller than max_chars.
+/// Removes characters from the front of the string if its length is greater than `max_chars` and
+/// prepends the string with "...". Returns string unchanged if its length is smaller than max_chars.
 pub fn truncate_and_remove_front(s: &str, max_chars: usize) -> String {
     debug_assert!(max_chars >= 5);
 

docs/src/developing_zed__building_zed.md

@@ -40,7 +40,7 @@ Expect this to take 30min to an hour! Some of these steps will take quite a whil
      - (not applicable) Fine-grained Tokens, at the moment of writing, did not allow any kind of access of non-owned private repos
    - Keep the token in the browser tab/editor for the next two steps
 1. (Optional but reccomended) Add your GITHUB_TOKEN to your `.zshrc` or `.bashrc` like this: `export GITHUB_TOKEN=yourGithubAPIToken`
-1. Ensure the Zed.dev website is checked out in a sibling directory and install it's dependencies:
+1. Ensure the Zed.dev website is checked out in a sibling directory and install its dependencies:
     ```
     cd ..
     git clone https://github.com/zed-industries/zed.dev