Redirect messages to stderr & support disabling

[Shushe] / README.markdown

diff --git a/README.markdown b/README.markdown
index 86d57bce7073222d7a25120d49e05c761cbe176d..3375b8a36eb7b7bcdc63e078d6676da0c71f7708 100644 (file)
--- a/README.markdown
+++ b/README.markdown
@@ -292,8 +292,8 @@ The following additional variables can be used to control the behaviour
     enable additional transforms without overriding the existing ones.
 
 - **`XMLTYPES`:**
-  A white·space‐separated list of media types to consider X·M·L
-    (default: `application/xml text/xml`).
+  A white·space‐separated list of media types or media type suffixes to
+    consider X·M·L (default: `application/xml text/xml +xml`).
 
 - **`THISREV`:**
   The current version of ⛩️📰 书社 (default: derived from the current
@@ -303,6 +303,15 @@ The following additional variables can be used to control the behaviour
   The current version of the source files (default: derived from the
     current git tag/branch/commit).
 
+- **`QUIET`:**
+  If this variable has a value, informative messages will not be
+    printed (default: empty).
+  Informative messages print to stderr, not stdout, so disabling them
+    usually shouldn’t be necessary.
+  This does not (cannot) disable messages from Make itself, for which
+    the `-s`, `--silent` ∕ `--quiet` Make option is more likely to be
+    useful.
+
 - **`VERBOSE`:**
   If this variable has a value, every recipe instruction will be
     printed when it runs (default: empty).