Cleanup: update & correct comments for event handling

- Remove references to `ISTEXTINPUT` as any keyboard event with it's
  utf8_buf set can be handled as text input.

- Update references to the key repeat flag.

1 files changed, 6 insertions, 1 deletions

diff --git a/intern/ghost/GHOST_Types.h b/intern/ghost/GHOST_Types.h
index fa74bfde866..495fb739978 100644
--- a/intern/ghost/GHOST_Types.h
+++ b/intern/ghost/GHOST_Types.h
@@ -550,7 +550,12 @@ typedef struct {
   /** The unicode character. if the length is 6, not NULL terminated if all 6 are set. */
   char utf8_buf[6];
 
-  /** Generated by auto-repeat. */
+  /**
+   * Enabled when the key is held (auto-repeat).
+   * In this case press events are sent without a corresponding release/up event.
+   *
+   * All back-ends must set this variable for correct behavior regarding repeatable keys.
+   */
   char is_repeat;
 } GHOST_TEventKeyData;