QP-Encode questionmarks.

diff --git a/libcitadel/lib/stringbuf.c b/libcitadel/lib/stringbuf.c
index 1138a94ac249013d77a67112dc33cbbab0857ee8..ed2eb00942617ae50a4e70d95cc6bd89a43b295b 100644 (file)
--- a/libcitadel/lib/stringbuf.c
+++ b/libcitadel/lib/stringbuf.c
@@ -2534,6 +2534,7 @@ int StrBufRFC2047encode(StrBuf **target, const StrBuf *source)
                    (ch  > 126) || 
                    (ch ==  61) ||
                    (ch == '=') ||
+                    (ch == '?') ||
                    (ch == '_') ||
                    (ch == '[') ||
                    (ch == ']')   )