Merge branch 'jc/doc-checkout' into maint

diff --git a/mailinfo.c b/mailinfo.c
index bd574cb75210334b1a4628f182743b49bd389cd7..70187e3eb30b102c7038a1d1c4e0033d856c99ac 100644 (file)
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -368,11 +368,16 @@ static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047)
 
        while ((c = *in++) != 0) {
                if (c == '=') {
-                       int d = *in++;
+                       int ch, d = *in;
                        if (d == '\n' || !d)
                                break; /* drop trailing newline */
-                       strbuf_addch(out, (hexval(d) << 4) | hexval(*in++));
-                       continue;
+                       ch = hex2chr(in);
+                       if (ch >= 0) {
+                               strbuf_addch(out, ch);
+                               in += 2;
+                               continue;
+                       }
+                       /* garbage -- fall through */
                }
                if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */
                        c = 0x20;