[gardening] Normalize character use (use ' and ").

stdlib/public/SDK/Foundation/Locale.swift

@@ -27,7 +27,7 @@ internal func __NSLocaleBackstop() -> NSLocale
 /**
  `Locale` encapsulates information about linguistic, cultural, and technological conventions and standards. Examples of information encapsulated by a locale include the symbol used for the decimal separator in numbers and the way dates are formatted.
 
- Locales are typically used to provide, format, and interpret information about and according to the user’s customs and preferences. They are frequently used in conjunction with formatters. Although you can use many locales, you usually use the one associated with the current user.
+ Locales are typically used to provide, format, and interpret information about and according to the user's customs and preferences. They are frequently used in conjunction with formatters. Although you can use many locales, you usually use the one associated with the current user.
 */
 public struct Locale : CustomStringConvertible, CustomDebugStringConvertible, Hashable, Equatable, ReferenceConvertible {
     public typealias ReferenceType = NSLocale

stdlib/public/SDK/Foundation/TimeZone.swift

@@ -26,7 +26,7 @@ internal func __NSTimeZoneCurrent() -> NSTimeZone
 
  `TimeZone` provides two static functions to get time zone values: `current` and `autoupdatingCurrent`. The `autoupdatingCurrent` time zone automatically tracks updates made by the user.
 
- Note that time zone database entries such as “America/Los_Angeles” are IDs, not names. An example of a time zone name is “Pacific Daylight Time”. Although many `TimeZone` functions include the word “name”, they refer to IDs.
+ Note that time zone database entries such as "America/Los_Angeles" are IDs, not names. An example of a time zone name is "Pacific Daylight Time". Although many `TimeZone` functions include the word "name", they refer to IDs.
 
  Cocoa does not provide any API to change the time zone of the computer, or of other applications.
  */
@@ -87,7 +87,7 @@ public struct TimeZone : CustomStringConvertible, CustomDebugStringConvertible,
 
     /// Returns a time zone identified by a given abbreviation.
     ///
-    /// In general, you are discouraged from using abbreviations except for unique instances such as “GMT”. Time Zone abbreviations are not standardized and so a given abbreviation may have multiple meanings—for example, “EST” refers to Eastern Time in both the United States and Australia
+    /// In general, you are discouraged from using abbreviations except for unique instances such as "GMT". Time Zone abbreviations are not standardized and so a given abbreviation may have multiple meanings—for example, "EST" refers to Eastern Time in both the United States and Australia
     ///
     /// - parameter abbreviation: The abbreviation for the time zone.
     /// - returns: A time zone identified by abbreviation determined by resolving the abbreviation to a identifier using the abbreviation dictionary and then returning the time zone for that identifier. Returns `nil` if there is no match for abbreviation.
@@ -141,7 +141,7 @@ public struct TimeZone : CustomStringConvertible, CustomDebugStringConvertible,
 
     /// Returns the abbreviation for the time zone at a given date.
     ///
-    /// Note that the abbreviation may be different at different dates. For example, during daylight saving time the US/Eastern time zone has an abbreviation of “EDT.” At other times, its abbreviation is “EST.”
+    /// Note that the abbreviation may be different at different dates. For example, during daylight saving time the US/Eastern time zone has an abbreviation of "EDT." At other times, its abbreviation is "EST."
     /// - parameter date: The date to use for the calculation. The default value is the current date.
     public func abbreviation(for date: Date = Date()) -> String? {
         return _wrapped.abbreviation(for: date)

stdlib/public/SDK/Foundation/URL.swift

@@ -275,7 +275,7 @@ public struct URLResourceValues {
 
     /// The document identifier -- a value assigned by the kernel to a document (which can be either a file or directory) and is used to identify the document regardless of where it gets moved on a volume.
     ///
-    /// The document identifier survives "safe save” operations; i.e it is sticky to the path it was assigned to (`replaceItem(at:,withItemAt:,backupItemName:,options:,resultingItem:) throws` is the preferred safe-save API). The document identifier is persistent across system restarts. The document identifier is not transferred when the file is copied. Document identifiers are only unique within a single volume. This property is not supported by all volumes.
+    /// The document identifier survives "safe save" operations; i.e it is sticky to the path it was assigned to (`replaceItem(at:,withItemAt:,backupItemName:,options:,resultingItem:) throws` is the preferred safe-save API). The document identifier is persistent across system restarts. The document identifier is not transferred when the file is copied. Document identifiers are only unique within a single volume. This property is not supported by all volumes.
     @available(OSX 10.10, iOS 8.0, *)
     public var documentIdentifier: Int? { return _get(.documentIdentifierKey) }