--- a/mercurial/help/environment.txt Thu Nov 23 22:04:53 2017 +0900
+++ b/mercurial/help/environment.txt Thu Nov 23 22:17:03 2017 +0900
@@ -56,9 +56,17 @@
localization. This can be useful when scripting against Mercurial
in the face of existing user configuration.
+ In addition to the features disabled by ``HGPLAIN=``, the following
+ values can be specified to adjust behavior:
+
+ ``+strictflags``
+ Restrict parsing of command line flags.
+
Equivalent options set via command line flags or environment
variables are not overridden.
+ See :hg:`help scripting` for details.
+
HGPLAINEXCEPT
This is a comma-separated list of features to preserve when
HGPLAIN is enabled. Currently the following values are supported: