Deleting 0 characters has no effect - no notification or undo action.

This prevents SetLineIndentation from often requiring three steps to undo.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/Document.cxx b/src/Document.cxx
index 10403242b..abbb87d5d 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -357,8 +357,10 @@ void Document::ModifiedAt(int pos) {
 
 // Unlike Undo, Redo, and InsertStyledString, the pos argument is a cell number not a char number
 void Document::DeleteChars(int pos, int len) {
+	if (len == 0)
+		return;
 	if ((pos + len) > Length())
-		return ;
+		return;
 	if (cb.IsReadOnly() && enteredReadOnlyCount == 0) {
 		enteredReadOnlyCount++;
 		NotifyModifyAttempt();