From 8b858c642ccab43050dcff2d8f98db469ac6dc1b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 7 May 2021 10:02:53 +0200
Subject: Various improvements and clarifications in metadata handling

---
 libbuild2/context.hxx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'libbuild2/context.hxx')

diff --git a/libbuild2/context.hxx b/libbuild2/context.hxx
index f25db85..0d401de 100644
--- a/libbuild2/context.hxx
+++ b/libbuild2/context.hxx
@@ -392,9 +392,10 @@ namespace build2
     //
     // The following metadata variable names have pre-defined meaning:
     //
-    //   <var-prefix>.name = [string]      # Stable name for diagnostics.
-    //   <var-prefix>.version = [string]   # Version for diagnostics.
-    //   <var-prefix>.checksum = [string]  # Checksum for change tracking.
+    //   <var-prefix>.name = [string]         # Stable name for diagnostics.
+    //   <var-prefix>.version = [string]      # Version for diagnostics.
+    //   <var-prefix>.checksum = [string]     # Checksum for change tracking.
+    //   <var-prefix>.environment = [strings] # Envvars for change tracking.
     //
     // If the <var-prefix>.name variable is missing, it is set to the target
     // name as imported.
-- 
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