Merge branches 'lh/submodules' and 'pb/am'

diff --git a/commit.c b/commit.c
index d01833d8137ece2f4a1d95d8b85d8ed54ecbd16b..5632e32685478dcce34e479e8e916b0ccd3a3b13 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -511,12 +511,16 @@ static int add_rfc2047(char *buf, const char *line, int len,
        bp += i;
        for (i = 0; i < len; i++) {
                unsigned ch = line[i] & 0xFF;
-               if (is_rfc2047_special(ch)) {
+               /*
+                * We encode ' ' using '=20' even though rfc2047
+                * allows using '_' for readability.  Unfortunately,
+                * many programs do not understand this and just
+                * leave the underscore in place.
+                */
+               if (is_rfc2047_special(ch) || ch == ' ') {
                        sprintf(bp, "=%02X", ch);
                        bp += 3;
                }
-               else if (ch == ' ')
-                       *bp++ = '_';
                else
                        *bp++ = ch;
        }
@@ -1063,6 +1067,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt,
                        int sz;
                        char header[512];
                        const char *header_fmt =
+                               "MIME-Version: 1.0\n"
                                "Content-Type: text/plain; charset=%s\n"
                                "Content-Transfer-Encoding: 8bit\n";
                        sz = snprintf(header, sizeof(header), header_fmt,