Add note about what return values resultid() expects

Signed-off-by: Tobias Ulmer <tu@emlix.com>

diff --git a/local/e2tool.lua b/local/e2tool.lua
index 4ce6c853e9767f9104a1fd7d59f0cbd5753cf298..5f1fef36e09298c7b582e9d1fe1ad7ad78dabf1a 100644 (file)
--- a/local/e2tool.lua
+++ b/local/e2tool.lua
@@ -2255,6 +2255,7 @@ end
 --                             feature.
 -- @field check_result Called f(info, resultname).
 -- @field resultid Called f(info, resultname).
+--        Returns nil on error, false to skip, or a resultid string.
 -- @field pbuildid Called f(info, resultname).
 -- @field dlist Called f(info, resultname).
 e2tool_ftab = {