const char *r_sq_tags[] = {"SN","LN",NULL};
const char *u_sq_tags[] = {"SN",NULL};
-const char *o_rg_tags[] = {"LB","DS","PU","PI","CN","DT","PL",NULL};
+const char *o_rg_tags[] = {"CN","DS","DT","FO","KS","LB","PG","PI","PL","PU","SM",NULL};
const char *r_rg_tags[] = {"ID",NULL};
const char *u_rg_tags[] = {"ID",NULL};
tag = tags->data;
if ( !tag_exists(tag->key,required_tags[itype]) && !tag_exists(tag->key,optional_tags[itype]) )
{
- debug("Unknown tag [%c%c] for [%c%c].\n", tag->key[0],tag->key[1], hline->type[0],hline->type[1]);
- return 0;
+ // Lower case tags are user-defined values.
+ if( !(islower(tag->key[0]) || islower(tag->key[1])) )
+ {
+ // Neither is lower case, but tag was not recognized.
+ debug("Unknown tag [%c%c] for [%c%c].\n", tag->key[0],tag->key[1], hline->type[0],hline->type[1]);
+ // return 0; // Even unknown tags are allowed - for forward compatibility with new attributes
+ }
+ // else - allow user defined tag
}
tags = tags->next;
}