[NETBEANS-4270] account for doc.insertString changing length of insertion
diff --git a/java/java.source.base/src/org/netbeans/api/java/source/ModificationResult.java b/java/java.source.base/src/org/netbeans/api/java/source/ModificationResult.java
index 3159f29..4360a96 100644
--- a/java/java.source.base/src/org/netbeans/api/java/source/ModificationResult.java
+++ b/java/java.source.base/src/org/netbeans/api/java/source/ModificationResult.java
@@ -400,11 +400,14 @@
// first insert the new content, THEN remove the old one. In situations where the content AFTER the
// change is not writable this ordering allows to replace the content, but if we first delete,
// replacement cannot be inserted into the nonwritable area.
- int delta = diff.getNewText().length();
int offs = diff.getStartPosition().getOffset();
int removeLen = diff.getEndPosition().getOffset() - offs;
+ // [NETBEANS-4270] Can't use "delta = diff.getNewText().length()".
+ // doc.insertString may filter chars, e.g. '\r', and change length.
+ int initialLength = doc.getLength();
doc.insertString(offs, diff.getNewText(), null);
+ int delta = doc.getLength() - initialLength;
doc.remove(delta + offs, removeLen);
break;
}
