Removed invalid ascii from headers

include/SDL3/SDL_hints.h

@@ -121,9 +121,9 @@ extern "C" {
  *
  * For *nix platforms, this string should be formatted in reverse-DNS notation and follow some basic rules to be valid:
  *
- * - The application ID must be composed of two or more elements separated by a period (‘.’) character.
+ * - The application ID must be composed of two or more elements separated by a period (.) character.
  *
- * - Each element must contain one or more of the alphanumeric characters (A-Z, a-z, 0-9) plus underscore (‘_’) and hyphen (‘-’) and must not start with a digit. Note that hyphens, while technically allowed, should not be used if possible, as they are not supported by all components that use the ID, such as D-Bus. For maximum compatibility, replace hyphens with an underscore.
+ * - Each element must contain one or more of the alphanumeric characters (A-Z, a-z, 0-9) plus underscore (_) and hyphen (-) and must not start with a digit. Note that hyphens, while technically allowed, should not be used if possible, as they are not supported by all components that use the ID, such as D-Bus. For maximum compatibility, replace hyphens with an underscore.
  *
  * - The empty string is not a valid element (ie: your application ID may not start or end with a period and it is not valid to have two periods in a row).
  *

include/SDL3/SDL_pixels.h

@@ -540,8 +540,8 @@ typedef enum
 typedef enum
 {
     SDL_CHROMA_LOCATION_NONE = 0,   /**< RGB, no chroma sampling */
-    SDL_CHROMA_LOCATION_LEFT = 1,   /**< In MPEG-2, MPEG-4, and AVC, Cb and Cr are taken on midpoint of the left-edge of the 2×2 square. In other words, they have the same horizontal location as the top-left pixel, but is shifted one-half pixel down vertically. */
-    SDL_CHROMA_LOCATION_CENTER = 2, /**< In JPEG/JFIF, H.261, and MPEG-1, Cb and Cr are taken at the center of 2×2 the square. In other words, they are offset one-half pixel to the right and one-half pixel down compared to the top-left pixel. */
+    SDL_CHROMA_LOCATION_LEFT = 1,   /**< In MPEG-2, MPEG-4, and AVC, Cb and Cr are taken on midpoint of the left-edge of the 2x2 square. In other words, they have the same horizontal location as the top-left pixel, but is shifted one-half pixel down vertically. */
+    SDL_CHROMA_LOCATION_CENTER = 2, /**< In JPEG/JFIF, H.261, and MPEG-1, Cb and Cr are taken at the center of the 2x2 square. In other words, they are offset one-half pixel to the right and one-half pixel down compared to the top-left pixel. */
     SDL_CHROMA_LOCATION_TOPLEFT = 3 /**< In HEVC for BT.2020 and BT.2100 content (in particular on Blu-rays), Cb and Cr are sampled at the same location as the group's top-left Y pixel ("co-sited", "co-located"). */
 } SDL_ChromaLocation;