Quoted-printable decoding happens twice - _read_attribute_value() decodes, but doesn't clear the flags

[nicholas]

This vcard:

BEGIN:VCARD
VERSION:2.1
N:Citizens Advice Bureaux
NOTE;ENCODING=QUOTED-PRINTABLE:  =3D1 
END:VCARD

Was being parsed properly. it was saying "xmlEscapeEntities : char out of range".

This is because =3D1 is converted to =1, which is almost still valid Q-P... Other similar problems happen with =3DD etc, which is parsed as if it was =D in QP.

Should the flag be cleared, like this:

src/vformat.c

@@ -449 +449 @@
                lp = g_utf8_next_char (lp); /* \n */
                lp = g_utf8_next_char (lp); /* start of the next line */
        }
-
+       /* We've decoded the encoding now, so it's RAW */
+       attr->encoding = VF_ENCODING_RAW;
+       attr->encoding_set = FALSE;
        *p = lp;
 }

which now gives:

<?xml version="1.0"?>
<contact>
  <Name>
    <LastName>Citizens Advice Bureaux</LastName>
  </Name>
  <Note>
    <Content>  =1 </Content>
  </Note>
</contact>

which is what we want to see in the xmlformat.

[dgollub]

Christopher, could you please review it as well. Otherwise i'll have a look later on this... would be nice to resolve this for 0.34

[cstender]

fixed with rev2749.