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diff --git a/biblio/bibtex/utils/ietfbibs/id2bib.awk b/biblio/bibtex/utils/ietfbibs/id2bib.awk
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+# Copyright(c) 2000-2016 Richard Mortier <mort@cantab.net>
+# Copyright(c) 2010 Paul Jakma <paul@jakma.org>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+BEGIN {
+ FS="[\"<>]";
+ RS="(\n[A-Za-z0-9].*\n[^ ]+\n)* \"";
+
+ # banner
+ printf("% This file auto-generated from id-index.txt by id2bib.awk\n");
+ printf("% by Richard Mortier <mort@cantab.net>.\n");
+ printf("%\n");
+ printf("% Date: %s\n", strftime());
+ printf("\n");
+ printf("@string{ietf=\"{IETF}\"}\n\n");
+}
+
+function get_authors(field, i, first) {
+ first = 1;
+ authors = "";
+
+ for (i = field; i <= NF; i++) {
+ if (length($i) == 0) continue;
+ if ($i ~ /[0-9]{1,2}[-/][[:alpha:]]{3}[-/][0-9]{2}/)
+ break;
+ if ($i ~ /(19|20)[0-9]{2}-[0-9]{2}-[0-9]{2}/)
+ break;
+
+ if (first) first = 0;
+ else authors = authors " and ";
+ authors = authors $i;
+ }
+ return i;
+}
+
+NF > 1 {
+ # guard '$', '_', '#' from BibTeX/LaTeX in all fields
+ gsub(/\$/, "\\$", $0 ); # ");
+ gsub(/_/, "\\_", $0 ); # ");
+ gsub(/#/, "\\" "#", $0 ); # ");
+
+ for (i = 1; i <= NF; i++) {
+ gsub(/[ \n\t]+/, " ", $i);
+ sub(/^[ ]+/,"",$i);
+ }
+
+ title = gensub(/([A-Z])/, "{\\1}", "g", $1);
+ idstr = $3;
+ abstract = $4;
+
+ authors = "";
+ n=split($2, authors_date, ",");
+ for (i=0; i<n-1; i++)
+ {
+ a = authors_date[i];
+ gsub(/[ \n\t]+/, " ", a);
+ sub(/^[ ]+/, "", a);
+
+ if(a == "") continue;
+ else if(authors == "") authors = a
+ else authors = authors " and " a;
+ }
+ date = authors_date[n-1];
+ split(date, ymd, "-");
+ year = ymd[1];
+ month = ymd[2];
+ day = ymd[3];
+
+ printf("@Misc{id:%s,\n", idstr) ;
+ printf(" author = {%s},\n", authors) ;
+ printf(" title = {%s},\n", title) ;
+ printf(" howpublished = {Internet Draft},\n") ;
+ printf(" month = %s,\n", month) ;
+ printf(" year = %s,\n", year) ;
+ printf(" note = {%s},\n", "<" idstr ".txt>") ;
+ printf(" abstract = {%s},\n", abstract) ;
+ printf(" url = {{http://tools.ietf.org/html/%s}},\n", idstr);
+ printf("}\n\n") ;
+}