builtin-help: fallback to GIT_MAN_VIEWER before man

diff --git a/git-send-email.perl b/git-send-email.perl
index 6adb66947279e290d90be7da154f49e696894528..d2fd89907688a044ffe0d2520744e00a9b33c942 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -38,7 +38,7 @@ package main;
 
 sub usage {
        print <<EOT;
-git-send-email [options] <file | directory>...
+git send-email [options] <file | directory>...
 Options:
    --from         Specify the "From:" line of the email to be sent.
 
@@ -882,7 +882,7 @@ sub send_message
                                }
                                elsif (/^Content-type:/i) {
                                        $has_content_type = 1;
-                                       if (/charset="?[^ "]+/) {
+                                       if (/charset="?([^ "]+)/) {
                                                $body_encoding = $1;
                                        }
                                        push @xh, $_;