Parse this: =?utf-8?Q?=D0=92=D0=B5=D1=81=D1=82=D0=BD=D0=B8=D0=BA=20=D0=A7=D0=B8=D0=BF=D1=82=D1=80=D0=B8=D0=BF=D0=B0=C2=AE=20:)?= <cheaptripinsider@moitrip.ru>. The colon didn't go through. (https://github.com/MailCore/mailcore2/issues/870)

src/low-level/imf/mailimf.c

@@ -55,6 +55,7 @@
 #include "mmapstring.h"
 #include <stdlib.h>
 #include <string.h>
+#include "mailmime_decode.h"
 
 #ifndef TRUE
 #define TRUE 1
@@ -1216,6 +1217,56 @@ int mailimf_atom_parse(const char * message, size_t length,
   return res;
 }
 
+int mailimf_fws_atom_for_word_parse(const char * message, size_t length,
+                                    size_t * indx, char ** result)
+{
+  size_t end;
+  size_t cur_token;
+  int r;
+  int res;
+  struct mailmime_encoded_word * word;
+  int has_fwd;
+  char * atom;
+  
+  cur_token = * indx;
+  
+  r = mailimf_fws_parse(message, length, &cur_token);
+  if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+    res = r;
+    goto err;
+  }
+  
+  end = cur_token;
+  
+  r = mailmime_encoded_word_parse(message, length, &cur_token, &word, &has_fwd);
+  if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+    res = r;
+    goto err;
+  }
+  
+  if (r == MAILIMF_ERROR_PARSE) {
+    return mailimf_fws_atom_parse(message, length, indx, result);
+  }
+  
+  mailmime_encoded_word_free(word);
+  
+  atom = malloc(cur_token - end + 1);
+  if (atom == NULL) {
+    res = MAILIMF_ERROR_MEMORY;
+    goto err;
+  }
+  strncpy(atom, message + end, cur_token - end);
+  atom[cur_token - end] = '\0';
+  
+  * result = atom;
+  * indx = cur_token;
+  
+  return MAILIMF_NO_ERROR;
+  
+err:
+  return res;
+}
+
 int mailimf_fws_atom_parse(const char * message, size_t length,
 			   size_t * indx, char ** result)
 {
@@ -1590,7 +1641,7 @@ int mailimf_fws_word_parse(const char * message, size_t length,
 
   cur_token = * indx;
 
-  r = mailimf_fws_atom_parse(message, length, &cur_token, &word);
+  r = mailimf_fws_atom_for_word_parse(message, length, &cur_token, &word);
 
   if (r == MAILIMF_ERROR_PARSE)
     r = mailimf_fws_quoted_string_parse(message, length, &cur_token, &word);

src/low-level/mime/mailmime_decode.c

@@ -87,12 +87,7 @@ mailmime_non_encoded_word_parse(const char * message, size_t length,
                                 size_t * indx,
                                 char ** result, int * p_has_fwd);
 
-static int
-mailmime_encoded_word_parse(const char * message, size_t length,
-                            size_t * indx,
-                            struct mailmime_encoded_word ** result,
-                            int * p_has_fwd);
-     
+    
 
 enum {
   TYPE_ERROR,
@@ -368,10 +363,10 @@ mailmime_non_encoded_word_parse(const char * message, size_t length,
   return res;
 }
 
-static int mailmime_encoded_word_parse(const char * message, size_t length,
-                                       size_t * indx,
-                                       struct mailmime_encoded_word ** result,
-                                       int * p_has_fwd)
+int mailmime_encoded_word_parse(const char * message, size_t length,
+                                size_t * indx,
+                                struct mailmime_encoded_word ** result,
+                                int * p_has_fwd)
 {
   size_t cur_token;
   char * charset;

src/low-level/mime/mailmime_decode.h

@@ -49,6 +49,12 @@ int mailmime_encoded_phrase_parse(const char * default_fromcode,
     size_t * indx, const char * tocode,
     char ** result);
 
+int
+mailmime_encoded_word_parse(const char * message, size_t length,
+                            size_t * indx,
+                            struct mailmime_encoded_word ** result,
+                            int * p_has_fwd);
+
 #ifdef __cplusplus
 }
 #endif