[LyX/master] Additional cursor position validation required to avoid an assertion in Text::selectWord

[Stephan Witt]

commit 7391ca961d7985918a8d7b4fb52b01078b83a5c9
Author: Stephan Witt <switt at lyx.org>
Date:   Thu Aug 11 22:35:58 2022 +0200

    Additional cursor position validation required to avoid an assertion in Text::selectWord
---
 src/BufferView.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index 6f1b412..da309d6 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -1719,6 +1719,8 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 		}
 		if (cur.selection())
 			pattern = cur.selectionAsString(false);
+		else if (!cur.inTexted())
+			break; // not suitable for selectWord at cursor
 		else {
 			pos_type spos = cur.pos();
 			cur.innerText()->selectWord(cur, WHOLE_WORD);