From 7fca9557d2b57a80fa924bf6ab1f5547f230eeb2 Mon Sep 17 00:00:00 2001
From: Mirko Brodesser <mbrodesser@mozilla.com>
Date: Mon, 20 Jan 2020 12:39:04 +0000
Subject: [PATCH] Bug 1609662: part 6) Update documentation of
 `Selection::GetIndicesForInterval`. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D60130

--HG--
extra : moz-landing-system : lando
---
 dom/base/Selection.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dom/base/Selection.h b/dom/base/Selection.h
index 6eb48d2edcb8..32be317f57bc 100644
--- a/dom/base/Selection.h
+++ b/dom/base/Selection.h
@@ -753,6 +753,9 @@ class Selection final : public nsSupportsWeakReference,
    * Works on the same principle as GetRangesForIntervalArray, however
    * instead this returns the indices into mRanges between which the
    * overlapping ranges lie.
+   *
+   * @param aStartIndex will be less or equal than aEndIndex.
+   * @param aEndIndex can be in [-1, mRanges.Length()].
    */
   nsresult GetIndicesForInterval(const nsINode* aBeginNode,
                                  int32_t aBeginOffset, const nsINode* aEndNode,