[w3m-dev 02877] some fixes for urimethodmap

* config.h.dist (RC_DIR): remove tailing /
* configure (mailer): if use_w3mmailer = y, don't ask mailer
* configure (RC_DIR): remove tailing /
* fm.h (Mailer): ifndef USE_W3MMAILER
* main.c (MAIN): ifndef USE_W3MMAILER getenv("MAILER")
* rc.c ("mailer"): ifndef USE_W3MMAILER
* regex.c (newRegex0): \ escape kanji chars
* url.c (searchURIMethods): need escape for -
* scripts/w3mmail.cgi.in: move $url, $qurl
* scripts/w3mmail.cgi.in: url_unquote $to
From: Hironori Sakamoto <hsaka@mth.biglobe.ne.jp>

url.c

@@ -1,4 +1,4 @@
-/* $Id: url.c,v 1.35 2002/01/17 11:06:45 ukai Exp $ */
+/* $Id: url.c,v 1.36 2002/01/21 15:56:13 ukai Exp $ */
 #include "fm.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -2081,7 +2081,7 @@ searchURIMethods(ParsedURL *pu)
  * escaped       = "%" hex hex
  */
 
-#define URI_PATTERN	"[-;/?:@&=+$,a-zA-Z0-9_.!~*'()%]*"
+#define URI_PATTERN	"[\\-;/?:@&=+$,a-zA-Z0-9_.!~*'()%]*"
 void
 chkExternalURIBuffer(Buffer *buf)
 {