Document the --without-wc-funcs switch to configure, and clean up

the code to set the character set from nl_langinfo from EGE.

1 files changed, 13 insertions, 0 deletions

diff --git a/INSTALL b/INSTALL
index 99aabe74..d83b81ef 100644
--- a/INSTALL
+++ b/INSTALL
@@ -138,6 +138,19 @@ to ``configure'' to help it out, or change the default behavior:
 	of the environment variables LANG, LC_ALL or LC_CTYPE is set,
 	and will revert to the ISO-8859-* range if they aren't.
 
+--without-wc-funcs
+	by default Mutt uses the functions mbrtowc(), wctomb() and
+	wcwidth() provided by the system, when they are available.
+	With this option Mutt will use its own version of those
+	functions, which should work with 8-bit display charsets, UTF-8,
+	euc-jp or shift_jis, even if the system doesn't normally support
+	those multibyte charsets.
+
+	If you find Mutt is displaying non-ascii characters as octal
+	escape sequences (e.g. \243), even though you have set LANG and
+	LC_CTYPE correctly, then you might find you can solve the problem
+	with either or both of --enable-locales-fix and --without-wc-funcs.
+
 --with-exec-shell=SHELL
 	on some versions of unix, /bin/sh has a bug that makes using emacs
 	with mutt very difficult.  If you have the problem that whenever