Fix for bug #41618: Supply charset to w3m when converting text/html parts.

[nmh] / man / mhshow.man

diff --git a/man/mhshow.man b/man/mhshow.man
index f55fbfe6a4bf71ae2981df5ba049186b6bdb0d23..2237bdd240250c7649ea2b3e5bfa4f1b773ced3e 100644 (file)
--- a/man/mhshow.man
+++ b/man/mhshow.man
@@ -1,4 +1,4 @@
-.TH MHSHOW %manext1% "May 4, 2013" "%nmhversion%"
+.TH MHSHOW %manext1% "February 16, 2014" "%nmhversion%"
 .\"
 .\" %nmhwarning%
 .\"
@@ -224,16 +224,17 @@ The display string may contain the following escapes:
 .PP
 .RS 5
 .nf
-.ta \w'%F  'u
-%a     Insert parameters from Content-Type field
-%e     exclusive execution
-%f     Insert filename containing content
-%F     %e, %f, and stdin is terminal not content
-%l     display listing prior to displaying content
-%p     %l, and ask for confirmation
-%s     Insert content subtype
-%d     Insert content description
-%%     Insert the character %
+.ta \w'%F      'u
+%a        Insert parameters from Content-Type field
+%{charset} Insert the charset value from the Content-Type field
+%e        exclusive execution
+%f        Insert filename containing content
+%F        %e, %f, and stdin is terminal not content
+%l        display listing prior to displaying content
+%p        %l, and ask for confirmation
+%s        Insert content subtype
+%d        Insert content description
+%%        Insert the character %
 .fi
 .RE
 .PP
@@ -321,6 +322,18 @@ switch can be given to tell
 .B mhshow
 to never display parts in parallel.
 .SS "Showing Alternate Character Sets"
+If
+.B mhshow
+was built with
+.IR iconv (3),
+then all text/plain parts of the message(s) will be displayed using
+the character set of the current locale.  To convert text parts other
+than text/plain, or if
+.B mhshow
+was not built with
+.IR iconv ,
+an external program can be used, as described next.
+.PP
 Because a content of type text might be in a non-ASCII character
 set, when
 .B mhshow
@@ -328,15 +341,15 @@ encounters a \*(lqcharset\*(rq parameter for
 this content, it checks if your terminal can display this character
 set natively.
 .B mhn
-checks this by examining the environment
-variable
-.BR $MM_CHARSET .
-If the value of this environment variable is equal
+checks this by examining the current character set defined by the
+.IR locale (1)
+environment variables.
+If the value of the locale character set is equal
 to the value of the charset parameter, then
 .B mhshow
 assumes it can
-display this content without any additional setup.  If this environment
-variable is not set,
+display this content without any additional setup.  If the locale is not
+set properly,
 .B mhshow
 will assume a value of \*(lqUS-ASCII\*(rq.
 If the character set cannot be displayed natively, then
@@ -379,29 +392,24 @@ needed beforehand.
 Note that many pagers strip off the high-order bit or have problems
 displaying text with the high-order bit set.  However, the pager
 .B less
-has support for single-octet character sets.  The source
-to
-.B less
-is available on many ftp sites carrying free software.
-In order to view messages sent in the ISO-8859-1 character set using
+has support for single-octet character sets.  For example, messages
+encoded in the ISO-8859-1 character set can be view using
 .BR less ,
-.PP
-put these lines in your
-.I \&.login
-file:
+with these environment variable settings:
 .PP
 .RS 5
 .nf
-setenv LESSCHARSET latin1
-setenv LESS "-f"
+.ta \w'%F  'u
+LESSCHARSET latin1
+LESS        -f
 .fi
 .RE
 .PP
-The first line tells
+The first setting tells
 .B less
 to use the ISO-8859-1 definition for
 determining whether a character is \*(lqnormal\*(rq, \*(lqcontrol\*(lq,
-or \*(lqbinary\*(rq.  The second line tells
+or \*(lqbinary\*(rq.  The second setting tells
 .B less
 not to warn you
 if it encounters a file that has non-ASCII characters.  Then, simply
@@ -599,6 +607,7 @@ is checked.
 ^moreproc:~^Default program to display text/plain content
 .fi
 .SH "SEE ALSO"
+.IR iconv (3),
 .IR mhbuild (1),
 .IR mhl (1),
 .IR mhlist (1),