From d324b92dd48e6eabdb3cf0cb2aecfff21cc24614 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Fri, 18 Jun 2021 01:55:07 +0200
Subject: [PATCH] mmime: keep (none) whitespace after quoted strings

---
 mmime.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mmime.c b/mmime.c
index 2f0636a..7d47a20 100644
--- a/mmime.c
+++ b/mmime.c
@@ -312,6 +312,7 @@ print_header(char *line) {
 	}
 
 	int prevq = 0;  // was the previous word encoded as qp?
+	char prevqs = 0;  // was the previous word a quoted-string?
 
 	ssize_t linelen = s - line;
 
@@ -354,7 +355,7 @@ print_header(char *line) {
 				// space at beginning of line
 				goto force_qp;
 			}
-			if (*s != ' ') {
+			if (*s != ' ' && !(prevqs && !prevq && *(s-1) != ' ')) {
 				printf(" ");
 				linelen++;
 			}
@@ -388,6 +389,7 @@ force_qp:
 			if (qs && *e == '"')
 				e++;
 		}
+		prevqs = qs;
 		s = e;
 	}
 	printf("\n");