release: 0.0.68pre

[lilypond.git] / Documentation / CodingStyle.pod

diff --git a/Documentation/CodingStyle.pod b/Documentation/CodingStyle.pod
index 418575cd396f1b57dbefb3518e797c964d9a98f6..334cbbde63b94f73f3d1d1617c67226a99e9564f 100644 (file)
--- a/Documentation/CodingStyle.pod
+++ b/Documentation/CodingStyle.pod
@@ -421,4 +421,14 @@ files, doing a release.
 
 Use them.
 
+The following generic identifications are used:
+
+       up == 1
+       left == -1
+       right == 1
+       down == -1
+
+Intervals are pictured lying on a horizontal numberline (Interval[-1]
+is the minimum)
+