X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/e6917522a770cf2dba9997ca047977bc55fac061..d50cd0782e32cf9632e7cf7299960e1f666fdc59:/man/mh-profile.man

diff --git a/man/mh-profile.man b/man/mh-profile.man
index cb85747f..2c1b3d7a 100644
--- a/man/mh-profile.man
+++ b/man/mh-profile.man
@@ -671,6 +671,18 @@ This is the program used by
 .B whatnow
 to determine to whom a message would be sent.
 .RE
+.SS "Profile Lookup"
+After consulting .mh_profile,
+some programs read an optional profile specified by a
+program-specific environment variable,
+and then the system-wide profile %etcdir%/mhn.defaults.
+These programs are mhbuild, mhshow, mhstore, and mhn.
+mhfixmsg is similar, but has no optional profile.
+
+The first occurrence of a component is used,
+e.g.\& .mh_profile's trumps $MHSHOW's.
+A component with no value still stops further occurrences being used,
+but is considered absent.
 .SS "Environment Variables"
 The operation of
 .B nmh
@@ -743,7 +755,7 @@ additional user profile (file) to be read by
 .BR mhn ,
 in addition to the mhn.defaults profile.
 .B mhn
-is deprecated, so this support for this variable will
+is deprecated, so support for this variable will
 be removed from a future nmh release.
 .RE
 .PP
@@ -866,6 +878,13 @@ will emit debugging information.
 If this variable is set to a non-null value,
 .B pick
 will emit a representation of the search pattern.
+.B $MHPDEBUG
+is deprecated, so support for this variable will
+be removed from a future nmh release.  Instead,
+.B pick
+now supports a
+.B \-debug
+switch.
 .RE
 .PP
 .B $MHWDEBUG