Changeset 2285 for draft-ietf-httpbis/latest/p1-messaging.xml

Timestamp:

09/06/13 04:18:24 (10 years ago)

Author:

fielding@…

Message:

(editorial) Register x-gzip and x-compress; add a reference for compress; clean up the coding descriptions to be consistent with the referenced sources; addresses #457

File:

• draft-ietf-httpbis/latest/p1-messaging.xml (modified) (7 diffs)

draft-ietf-httpbis/latest/p1-messaging.xml

@@ -2073 +2073 @@
 <iref item="compress (Coding Format)"/>
 <t>
-   The "compress" format is produced by the common UNIX file compression
-   program "compress". This format is an adaptive Lempel-Ziv-Welch
-   coding (LZW). Recipients &SHOULD; consider "x-compress" to be
-   equivalent to "compress".
+   The "compress" coding is an adaptive Lempel-Ziv-Welch (LZW) coding
+   <xref target="Welch"/> that is commonly produced by the UNIX file
+   compression program "compress".
+   Recipients &SHOULD; consider "x-compress" to be equivalent to "compress".
 </t>
 </section>
@@ -2083 +2083 @@
 <iref item="deflate (Coding Format)"/>
 <t>
-   The "deflate" format is defined as the "deflate" compression mechanism
-   (described in <xref target="RFC1951"/>) used inside the "zlib"
-   data format (<xref target="RFC1950"/>).
+   The "deflate" coding is a "zlib" data format <xref target="RFC1950"/>
+   containing a "deflate" compressed data stream <xref target="RFC1951"/>
+   that uses a combination of the Lempel-Ziv (LZ77) compression algorithm and
+   Huffman coding.
 </t>
 <x:note>
@@ -2098 +2099 @@
 <iref item="gzip (Coding Format)"/>
 <t>
-   The "gzip" format is produced by the file compression program
-   "gzip" (GNU zip), as described in <xref target="RFC1952"/>. This format is a
-   Lempel-Ziv coding (LZ77) with a 32 bit CRC.
+   The "gzip" coding is an LZ77 coding with a 32 bit CRC that is commonly
+   produced by the gzip file compression program <xref target="RFC1952"/>.
    Recipients &SHOULD; consider "x-gzip" to be equivalent to "gzip".
 </t>
@@ -3521 +3521 @@
    </c>
    <c>compress</c>
-   <c>UNIX "compress" program method</c>
+   <c>UNIX "compress" data format <xref target="Welch"/></c>
    <c>
       <xref target="compress.coding"/>
    </c>
    <c>deflate</c>
-   <c>"deflate" compression mechanism (<xref target="RFC1951"/>) used inside
+   <c>"deflate" compressed data (<xref target="RFC1951"/>) inside
    the "zlib" data format (<xref target="RFC1950"/>)
    </c>
@@ -3533 +3533 @@
    </c>
    <c>gzip</c>
-   <c>Same as GNU zip <xref target="RFC1952"/></c>
+   <c>GZIP file format <xref target="RFC1952"/></c>
+   <c>
+      <xref target="gzip.coding"/>
+   </c>
+   <c>x-compress</c>
+   <c>Deprecated (alias for compress)</c>
+   <c>
+      <xref target="compress.coding"/>
+   </c>
+   <c>x-gzip</c>
+   <c>Deprecated (alias for gzip)</c>
    <c>
       <xref target="gzip.coding"/>
@@ -4318 +4328 @@
 </reference>
 
+<reference anchor="Welch">
+  <front>
+    <title>A Technique for High Performance Data Compression</title>
+    <author initials="T.A." surname="Welch" fullname="Terry A. Welch"/>
+    <date month="June" year="1984"/>
+  </front>
+  <seriesInfo name="IEEE Computer" value="17(6)"/>
+</reference>
+
 </references>
 
@@ -4721 +4740 @@
     <date year="2001" month="November"/>
   </front>
-  <seriesInfo name="ACM Transactions on Internet Technology" value="Vol. 1, #2"/>
+  <seriesInfo name="ACM Transactions on Internet Technology" value="1(2)"/>
 </reference>