Bug [#1799]. Folds unfolded when two fold regions are merged by either deleting

an intervening line or changing its fold level by adding characters.
Add LevelNumber function to simplify expressions implmenting folding.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/Document.h b/src/Document.h
index cc3873f59..d82aa46b5 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -171,6 +171,10 @@ public:
 
 class Document;
 
+inline int LevelNumber(int level) {
+	return level & SC_FOLDLEVELNUMBERMASK;
+}
+
 class LexInterface {
 protected:
 	Document *pdoc;