Make code work as documented by treating -1 as special length for encoding

as UTF-8 rather than 0.

2 files changed, 2 insertions, 2 deletions

diff --git a/include/Scintilla.iface b/include/Scintilla.iface
index 63b626bf5..2dd86eec2 100644
--- a/include/Scintilla.iface
+++ b/include/Scintilla.iface
@@ -1606,7 +1606,7 @@ fun void Allocate=2446(int bytes,)
 fun int TargetAsUTF8=2447(, stringresult s)
 
 # Set the length of the utf8 argument for calling EncodedFromUTF8.
-# Set to 0 and the string will be measured to the first nul.
+# Set to -1 and the string will be measured to the first nul.
 fun void SetLengthForEncode=2448(int bytes,)
 
 # Translates a UTF8 string into the document encoding.
diff --git a/src/Editor.cxx b/src/Editor.cxx
index b6c671b57..4e9bcc4cb 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -362,7 +362,7 @@ Editor::Editor() {
 	topLine = 0;
 	posTopLine = 0;
 
-	lengthForEncode = 0;
+	lengthForEncode = -1;
 
 	needUpdateUI = true;
 	braces[0] = invalidPosition;