18 files changed, 124 insertions, 124 deletions
diff --git a/man/man7/color.7 b/man/man7/color.7
index c8b536a0..917c2521 100644
--- a/man/man7/color.7
+++ b/man/man7/color.7
@@ -121,11 +121,11 @@ which is scaled so 0 represents fully transparent and 255 represents opaque colo
 The alpha is
 .I premultiplied
 into the other channels, as described in the paper by Porter and Duff cited in
-.IR draw (3).
+.MR draw (3) .
 The function
 .B setalpha
 (see
-.IR allocimage (3))
+.MR allocimage (3) )
 aids the initialization of color values with non-trivial alpha.
 .PP
 The packing of pixels into bytes and words is odd.
@@ -138,13 +138,13 @@ the byte ordering is blue, green, red.
 .PP
 To maintain a constant external representation,
 the
-.IR draw (3)
+.MR draw (3)
 interface
 as well as the 
 various graphics libraries represent colors 
 by 32-bit numbers, as described in 
-.IR color (3).
+.MR color (3) .
 .SH "SEE ALSO"
-.IR color (3),
-.IR graphics (3),
-.IR draw (3)
+.MR color (3) ,
+.MR graphics (3) ,
+.MR draw (3)
diff --git a/man/man7/face.7 b/man/man7/face.7
index 08b04a46..8cd37825 100644
--- a/man/man7/face.7
+++ b/man/man7/face.7
@@ -25,13 +25,13 @@ per color)).
 The large files serve no special purpose; they are stored
 as images
 (see
-.IR image (7)).
+.MR image (7) ).
 The small files are the `icons'  displayed by
 .B faces
 and
 .B seemail
 (see Plan 9's
-\fIfaces\fR(1));
+.IR faces (1));
 for depths less than 4, their format is special.
 .PP
 One- and two-bit deep icons are stored as text, one line of the file to one scan line
@@ -110,6 +110,6 @@ which then appears as a domain name in the
 .B .dict
 files.
 .SH "SEE ALSO"
-.IR mail (1),
-.IR tweak (1),
-.IR image (7)
+.MR mail (1) ,
+.MR tweak (1) ,
+.MR image (7)
diff --git a/man/man7/font.7 b/man/man7/font.7
index 45331d4d..c9ebb919 100644
--- a/man/man7/font.7
+++ b/man/man7/font.7
@@ -5,7 +5,7 @@ font, subfont \- external format for fonts and subfonts
 .B #include <draw.h>
 .SH DESCRIPTION
 Fonts and subfonts are described in
-.IR cachechars (3).
+.MR cachechars (3) .
 .PP
 External bitmap fonts are described by a plain text file that can be read using
 .IR openfont .
@@ -21,7 +21,7 @@ with an optional starting position within the subfont,
 and the file name names an external file suitable for
 .I readsubfont
 (see
-.IR graphics (3)).
+.MR graphics (3) ).
 The minimum number of a covered range is mapped to the specified starting position
 (default zero) of the
 corresponding subfont.
@@ -36,11 +36,11 @@ that can be read and written using
 and
 .I writesubfont
 (see
-.IR subfont (3)).
+.MR subfont (3) ).
 The format for subfont files is: an image containing character glyphs,
 followed by a subfont header, followed by character information.
 The image has the format for external image files described in
-.IR image (7).
+.MR image (7) .
 The subfont header has 3
 decimal strings:
 .BR n ,
@@ -72,7 +72,7 @@ are irrelevant.
 .PP
 Note that the convention of using the character with value zero (NUL) to represent
 characters of zero width (see
-.IR draw (3))
+.MR draw (3) )
 means that fonts should have, as their zeroth character,
 one with non-zero width.
 .SS "Font Names
@@ -121,7 +121,7 @@ The command
 .B .
 lists the available fonts.
 See
-.IR fontsrv (4)
+.MR fontsrv (4)
 for more.
 .PP
 If the font name has the form
@@ -136,7 +136,7 @@ The Plan 9 bitmap fonts were designed for screens with pixel density around 100
 When used on screens with pixel density above 200 DPI,
 the bitmap fonts are automatically pixel doubled.
 Similarly, fonts loaded from
-.IR fontsrv (4)
+.MR fontsrv (4)
 are automatically doubled in size by varying the effective
 .I size
 path element.
@@ -184,7 +184,7 @@ a system-installed vector font on high-density displays:
 .B \*9/font/*
 font directories
 .SH "SEE ALSO"
-.IR graphics (3),
-.IR draw (3),
-.IR cachechars (3),
-.IR subfont (3)
+.MR graphics (3) ,
+.MR draw (3) ,
+.MR cachechars (3) ,
+.MR subfont (3)
diff --git a/man/man7/htmlroff.7 b/man/man7/htmlroff.7
index e908c3ff..34f2cc5b 100644
--- a/man/man7/htmlroff.7
+++ b/man/man7/htmlroff.7
@@ -2,7 +2,7 @@
 .SH NAME
 htmlroff \- HTML formatting and typesetting
 .SH DESCRIPTION
-.IR Htmlroff (1)
+.MR Htmlroff (1)
 accepts 
 .I troff
 input with a few extensions and changes.
@@ -200,7 +200,7 @@ inside
 .B <sub>
 tags.  
 This heuristic handles simple equations formatted by
-.IR eqn (1).
+.MR eqn (1) .
 .SS Conditional input
 .PP
 To make it easier to write input files that can be formatted by both
@@ -315,7 +315,7 @@ For example,
 redefines the
 .B PS
 macro that marks the beginning of a
-.IR pic (1)
+.MR pic (1)
 picture:
 .IP
 .EX
diff --git a/man/man7/image.7 b/man/man7/image.7
index 6e613f9c..bfb299bd 100644
--- a/man/man7/image.7
+++ b/man/man7/image.7
@@ -5,9 +5,9 @@ image \- external format for images
 .B #include <draw.h>
 .SH DESCRIPTION
 Images are described in
-.IR graphics (3),
+.MR graphics (3) ,
 and the definition of pixel values is in
-.IR color (7).
+.MR color (7) .
 Fonts and images are stored in external files
 in machine-independent formats.
 .PP
@@ -21,7 +21,7 @@ and
 and
 .B writememimage
 (see
-.IR memdraw (3)).
+.MR memdraw (3) ).
 An uncompressed image file starts with 5
 strings:
 .BR chan ,
@@ -34,10 +34,10 @@ Each is right-justified and blank padded in 11 characters, followed by a blank.
 The
 .B chan
 value is a textual string describing the pixel format
-(see 
+(see
 .B strtochan
 in
-.IR graphics (3)
+.MR graphics (3)
 and the discussion of channel descriptors below),
 and the rectangle coordinates are decimal strings.
 The rest of the file contains the
@@ -49,7 +49,7 @@ consists of the byte containing pixel
 .B r.min.x
 and all the bytes up to and including the byte containing pixel
 .BR r.max.x -1.
-For images with depth 
+For images with depth
 .I d
 less than eight, a pixel with x-coordinate =
 .I x
@@ -73,11 +73,11 @@ The
 and
 .B unloadimage
 functions described in
-.IR allocimage (3)
+.MR allocimage (3)
 also deal with rows in this format, stored in user memory.
 .PP
 The channel format string is a sequence of two-character channel descriptions,
-each comprising a letter 
+each comprising a letter
 .RB ( r
 for red,
 .B g
@@ -95,10 +95,10 @@ and
 for ``don't care'')
 followed by a number of bits per pixel.
 The sum of the channel bits per pixel is the
-depth of the image, which must be either 
+depth of the image, which must be either
 a divisor or a multiple of eight.
 It is an error to have more than
-one of any channel but 
+one of any channel but
 .BR x .
 An image must have either a greyscale channel; a color mapped channel;
 or red, green, and blue channels.
@@ -110,13 +110,13 @@ In particular
 .B 'r8g8b8'
 pixels have byte ordering blue, green, and red within the file.
 See
-.IR color (7)
+.MR color (7)
 for more details of the pixel format.
 .PP
 A venerable yet deprecated format replaces the channel string
 with a decimal
 .IR ldepth ,
-which is the base two logarithm of the number 
+which is the base two logarithm of the number
 of bits per pixel in the image.
 In this case,
 .IR ldepth s
@@ -177,9 +177,9 @@ Some small images, in particular 48\(mu48 face files
 as used by
 .I seemail
 (see Plan 9's
-\fIfaces\fR(1)
+.IR faces (1)
 and
-.IR face (7))
+.MR face (7) )
 and 16\(mu16
 cursors, can be stored textually, suitable for inclusion in C source.
 Each line of text represents one scan line as a
@@ -188,18 +188,18 @@ bytes, shorts, or words in C format.
 For cursors, each line defines a pair of bytes.
 (It takes two images to define a cursor; each must be stored separately
 to be processed by programs such as
-.IR tweak (1).)
+.MR tweak (1) .)
 Face files of one bit per pixel are stored as a sequence of shorts,
 those of larger pixel sizes as a sequence of longs.
 Software that reads these files must deduce the image size from
 the input; there is no header.
 These formats reflect history rather than design.
 .SH "SEE ALSO"
-.IR jpg (1),
-.IR tweak (1),
-.IR graphics (3),
-.IR draw (3),
-.IR allocimage (3),
-.IR color (7),
-.IR face (7),
-.IR font (7)
+.MR jpg (1) ,
+.MR tweak (1) ,
+.MR graphics (3) ,
+.MR draw (3) ,
+.MR allocimage (3) ,
+.MR color (7) ,
+.MR face (7) ,
+.MR font (7)
diff --git a/man/man7/keyboard.7 b/man/man7/keyboard.7
index 07bfb960..69094a22 100644
--- a/man/man7/keyboard.7
+++ b/man/man7/keyboard.7
@@ -49,15 +49,15 @@ in particular, control-J is a line feed and control-M a carriage return.
 .PP
 The down arrow,
 used by
-.IR 9term (1),
-.IR acme (1),
+.MR 9term (1) ,
+.MR acme (1) ,
 and
-.IR sam (1),
+.MR sam (1) ,
 causes windows to scroll forward.
 The up arrow scrolls backward.
 .PP
 Characters in Plan 9 are runes (see
-.IR utf (7)).
+.MR utf (7) ).
 Any rune can be typed using a compose key followed by several
 other keys.
 The compose key is also generally near the lower right of the main key area:
@@ -92,11 +92,11 @@ the compose key followed by a two- or three-character sequence.
 The full list is too long to repeat here, but is contained in the file
 .L \*9/lib/keyboard
 in a format suitable for
-.IR grep (1)
+.MR grep (1)
 or
-.IR look (1).
+.MR look (1) .
 To add a sequence, edit that file and then rebuild
-.IR devdraw (1).
+.MR devdraw (1) .
 .PP
 There are several rules guiding the design of the sequences, as
 illustrated by the following examples.
@@ -235,10 +235,10 @@ to run them automatically at startup.
 sorted table of characters and keyboard sequences
 .PD
 .SH "SEE ALSO"
-.IR intro (1),
-.IR ascii (1),
-.IR tcs (1),
-.IR 9term (1),
-.IR acme (1),
-.IR sam (1),
-.IR utf (7)
+.MR intro (1) ,
+.MR ascii (1) ,
+.MR tcs (1) ,
+.MR 9term (1) ,
+.MR acme (1) ,
+.MR sam (1) ,
+.MR utf (7)
diff --git a/man/man7/man.7 b/man/man7/man.7
index 0e2b52ba..f82a1bc7 100644
--- a/man/man7/man.7
+++ b/man/man7/man.7
@@ -82,9 +82,9 @@ font- or size-setting macros.
 The
 .B -man
 macros admit equations and tables in the style of
-.IR eqn (1)
+.MR eqn (1)
 and
-.IR tbl (1),
+.MR tbl (1) ,
 but do not support arguments on
 .B .EQ
 and
@@ -113,7 +113,7 @@ The root directory of the Plan 9 installation.
 .B \*9/tmac/tmac.antimes
 .SH SEE ALSO
 .IR troff (1), 
-.IR man (1)
+.MR man (1)
 .SH REQUESTS
 .ta \w'.TH n c x 'u +\w'Cause 'u +\w'Argument\ 'u
 .di xx
diff --git a/man/man7/map.7 b/man/man7/map.7
index 80e1eebf..ced8db49 100644
--- a/man/man7/map.7
+++ b/man/man7/map.7
@@ -80,7 +80,7 @@ in the map file.
 Both the map file and the index file are ordered by
 patch latitude and longitude.
 .SH "SEE ALSO"
-.IR map (7)
+.MR map (7)
 .br
 The data comes from the World Data Bank I and II and
 U.S. Government sources: the Census Bureau, Geological
diff --git a/man/man7/mhtml.7 b/man/man7/mhtml.7
index dcf49868..f561fb43 100644
--- a/man/man7/mhtml.7
+++ b/man/man7/mhtml.7
@@ -19,14 +19,14 @@ mhtml \- macros for formatting HTML
 \&...
 .SH DESCRIPTION
 This package of
-.IR htmlroff (1)
+.MR htmlroff (1)
 macro definitions provides convenient macros for formatting HTML.
 It is usually used along with 
-.IR troff (1)
+.MR troff (1)
 macro packages such as
-.IR man (7)
+.MR man (7)
 and
-.IR ms (7).
+.MR ms (7) .
 .I Mhtml
 replaces some macros defined in the other packages,
 so it should be listed after them on the
@@ -64,7 +64,7 @@ before invoking
 Accumulate footnotes and print them at the end of the
 document under a \fBNotes\fP heading.
 These replace the macros in
-.IR ms (7).
+.MR ms (7) .
 To emit the notes accumulated so far, invoke
 .BR .NOTES .
 .TP
@@ -75,7 +75,7 @@ and
 .B .PE
 with a PNG image corresponding to the output of
 running
-.IR troff (1)
+.MR troff (1)
 on the input.
 .TP
 .B .TS\fR, \fP.TE
@@ -100,6 +100,6 @@ percent of the current output width.
 .SH FILES
 .B \*9/tmac/tmac.html
 .SH  SEE ALSO
-.IR htmlroff (1),
-.IR htmlroff (7),
-.IR ms (7)
+.MR htmlroff (1) ,
+.MR htmlroff (7) ,
+.MR ms (7)
diff --git a/man/man7/mpictures.7 b/man/man7/mpictures.7
index d6dbf964..5da1d547 100644
--- a/man/man7/mpictures.7
+++ b/man/man7/mpictures.7
@@ -10,7 +10,7 @@ mpictures \- picture inclusion macros
 .SH DESCRIPTION
 .I Mpictures
 macros insert PostScript pictures into
-.IR troff (1)
+.MR troff (1)
 documents.
 The macros are:
 .TP
@@ -129,7 +129,7 @@ comment is present, the picture is
 assumed to fill an 8.5\(mu11-inch page.
 Nothing prevents the picture from being placed off the page.
 .SH SEE ALSO
-.IR troff (1)
+.MR troff (1)
 .SH DIAGNOSTICS
 A picture file that can't be read by the PostScript
 postprocessor is replaced by white space.
diff --git a/man/man7/ms.7 b/man/man7/ms.7
index 931dad1b..5886a7e1 100644
--- a/man/man7/ms.7
+++ b/man/man7/ms.7
@@ -18,7 +18,7 @@ ms \- macros for formatting manuscripts
 This package of
 .I nroff
 and
-.IR troff (1)
+.MR troff (1)
 macro definitions provides a canned formatting
 facility for tech%nical papers in various formats.
 .PP
@@ -38,11 +38,11 @@ impunity after the first
 .LR .na .
 .PP
 Output of the
-.IR eqn (1),
-.IR tbl (1),
-.IR pic (1)
+.MR eqn (1) ,
+.MR tbl (1) ,
+.MR pic (1)
 and
-.IR grap (1)
+.MR grap (1)
 preprocessors
 for equations, tables, pictures, and graphs is acceptable as input.
 .SH FILES
@@ -57,8 +57,8 @@ Tenth Edition, Volume 2.
 .br
 .IR eqn (1), 
 .IR troff (1), 
-.IR tbl (1),
-.IR pic (1)
+.MR tbl (1) ,
+.MR pic (1)
 .SH REQUESTS
 .ta \w'..ND \fIdate\fR 'u +\w'Initial 'u +\w'Cause 'u
 .br
@@ -153,7 +153,7 @@ Implies
 produced by
 .I neqn
 or
-.IR eqn (1).
+.MR eqn (1) .
 .ti0
 \fL\&.EQ\fP \fIx y\fR	-	yes	Display equation.
 Equation number is
@@ -234,7 +234,7 @@ is subsection level (default 1).
 \fL\&.P2\fP	-	yes	End program display.
 .ti0
 \fL\&.PE\fP	-	yes	End picture; see
-.IR pic (1).
+.MR pic (1) .
 .ti0
 \fL\&.PF\fP	-	yes	End picture; restore vertical
 position.
@@ -280,7 +280,7 @@ font automatically bold.
 Default is 5 10 15 ...
 .ti0
 \fL\&.TE\fP	-	yes	End table; see
-.IR tbl (1).
+.MR tbl (1) .
 .ti0
 \fL\&.TH\fP	-	yes	End heading section of table.
 .ti0
diff --git a/man/man7/ndb.7 b/man/man7/ndb.7
index 4387f99d..bb59d8aa 100644
--- a/man/man7/ndb.7
+++ b/man/man7/ndb.7
@@ -59,7 +59,7 @@ Within tuples, pairs on the same line bind tighter than
 pairs on different lines.
 .PP
 Programs search the database directly using the routines in
-.IR ndb (3).
+.MR ndb (3) .
 .\" or indirectly using
 .\" .B ndb/cs
 .\" and
@@ -292,8 +292,8 @@ tcp=9fs	port=564
 first database file searched
 .SH "SEE ALSO"
 .\" .IR dial (2),
-.IR ndb (1),
-.IR ndb (3)
+.MR ndb (1) ,
+.MR ndb (3)
 .\" .IR dhcpd (8),
 .\" .IR ipconfig (8),
 .\" .IR con (1)
diff --git a/man/man7/plot.7 b/man/man7/plot.7
index d4550f51..87308b3f 100644
--- a/man/man7/plot.7
+++ b/man/man7/plot.7
@@ -340,4 +340,4 @@ Restore previous environment.
 .PD
 .SH "SEE ALSO"
 .IR plot (1), 
-.IR graph (1)
+.MR graph (1)
diff --git a/man/man7/plumb.7 b/man/man7/plumb.7
index fd30ee04..37b2385b 100644
--- a/man/man7/plumb.7
+++ b/man/man7/plumb.7
@@ -6,7 +6,7 @@ plumb \- format of plumb messages and rules
 .SH DESCRIPTION
 .SS "Message format
 The messages formed by the
-.IR plumb (3)
+.MR plumb (3)
 library are formatted for transmission between
 processes into textual form, using newlines to separate
 the fields.
@@ -61,7 +61,7 @@ A missing field is represented by an empty line.
 The
 .B plumber
 (see
-.IR plumb (1))
+.MR plumb (1) )
 receives messages on its
 .B send
 port (applications
@@ -271,7 +271,7 @@ rule should be specified in a rule set.
 .RE
 .PP
 The arguments to all rules may contain quoted strings, exactly as in
-.IR rc (1).
+.MR rc (1) .
 They may also contain simple string variables, identified by a leading dollar sign
 .BR $ .
 Variables may be set, between rule sets, by assignment statements in the style of
@@ -341,7 +341,7 @@ field of the message.
 .B $plan9
 The root directory of the Plan 9 tree
 (see
-.IR get9root (3)).
+.MR get9root (3) ).
 .RE
 .SH EXAMPLE
 The following is a modest, representative file of plumbing rules.
@@ -403,7 +403,7 @@ default rules file.
 .TP
 .B plumb
 service name for
-.IR plumber (4).
+.MR plumber (4) .
 .TP
 .B \*9/plumb
 directory for
@@ -416,7 +416,7 @@ public macro definitions.
 .B \*9/plumb/basic
 basic rule set.
 .SH "SEE ALSO"
-.IR plumb (1),
-.IR plumb (3),
-.IR plumber (4),
-.IR regexp (7)
+.MR plumb (1) ,
+.MR plumb (3) ,
+.MR plumber (4) ,
+.MR regexp (7)
diff --git a/man/man7/regexp.7 b/man/man7/regexp.7
index 91e73adc..73fd4dde 100644
--- a/man/man7/regexp.7
+++ b/man/man7/regexp.7
@@ -4,9 +4,9 @@ regexp \- Plan 9 regular expression notation
 .SH DESCRIPTION
 This manual page describes the regular expression
 syntax used by the Plan 9 regular expression library
-.IR regexp (3).
+.MR regexp (3) .
 It is the form used by
-.IR egrep (1)
+.MR egrep (1)
 before
 .I egrep
 got complicated.
@@ -130,4 +130,4 @@ A match to any part of a regular expression
 extends as far as possible without preventing
 a match to the remainder of the regular expression.
 .SH "SEE ALSO"
-.IR regexp (3)
+.MR regexp (3)
diff --git a/man/man7/thumbprint.7 b/man/man7/thumbprint.7
index 743172de..5a4b933b 100644
--- a/man/man7/thumbprint.7
+++ b/man/man7/thumbprint.7
@@ -9,7 +9,7 @@ for example by calling
 and
 .B okThumbprint
 (see
-.IR pushtls (3)),
+.MR pushtls (3) ),
 check the remote side's public key by comparing against
 thumbprints from a trusted list.
 The list is maintained by people who set local policies
@@ -38,4 +38,4 @@ For example, a web server might have thumbprint
 x509 sha1=8fe472d31b360a8303cd29f92bd734813cbd923c cn=*.cs.bell-labs.com
 .EE
 .SH "SEE ALSO"
-.IR pushtls (3)
+.MR pushtls (3)
diff --git a/man/man7/utf.7 b/man/man7/utf.7
index a2409457..5ad61764 100644
--- a/man/man7/utf.7
+++ b/man/man7/utf.7
@@ -57,7 +57,7 @@ in order to work properly with non-\c
 .SM ASCII
 input.
 See
-.IR rune (3).
+.MR rune (3) .
 .PP
 Letting numbers be binary,
 a rune x is converted to a multibyte
@@ -85,7 +85,7 @@ In the inverse mapping,
 any sequence except those described above
 is incorrect and is converted to rune hexadecimal 0080.
 .SH "SEE ALSO"
-.IR ascii (1),
-.IR tcs (1),
-.IR rune (3),
+.MR ascii (1) ,
+.MR tcs (1) ,
+.MR rune (3) ,
 .IR "The Unicode Standard" .
diff --git a/man/man7/venti.7 b/man/man7/venti.7
index 382bf67b..800c85f3 100644
--- a/man/man7/venti.7
+++ b/man/man7/venti.7
@@ -14,19 +14,19 @@ of clients.
 This manual page documents the basic concepts of
 block storage using Venti as well as the Venti network protocol.
 .PP
-.IR Venti (1)
+.MR Venti (1)
 documents some simple clients.
-.IR Vac (1),
-.IR vacfs (4),
+.MR Vac (1) ,
+.MR vacfs (4) ,
 and
-.IR vbackup (8)
+.MR vbackup (8)
 are more complex clients.
 .PP
-.IR Venti (3)
+.MR Venti (3)
 describes a C library interface for accessing
 Venti servers and manipulating Venti data structures.
 .PP
-.IR Venti (8)
+.MR Venti (8)
 describes the programs used to run a Venti server.
 .PP
 .SS "Scores
@@ -40,11 +40,11 @@ Scores may have an optional
 prefix, typically used to
 describe the format of the data.
 For example, 
-.IR vac (1)
+.MR vac (1)
 uses a
 .B vac:
 prefix, while
-.IR vbackup (8)
+.MR vbackup (8)
 uses prefixes corresponding to the file system
 types: 
 .BR ext2: ,
@@ -93,7 +93,7 @@ Keeping this parallel representation is a minor annoyance
 but makes it possible for general programs like
 .I venti/copy
 (see
-.IR venti (1))
+.MR venti (1) )
 to traverse the block tree without knowing the specific details
 of any particular program's data.
 .SS "Block Types
@@ -202,7 +202,7 @@ Text strings are represented similarly,
 using a two-byte count with
 the text itself stored as a UTF-encoded sequence
 of Unicode characters (see
-.IR utf (7)).
+.MR utf (7) ).
 Text strings are not
 .SM NUL\c
 -terminated:
@@ -395,7 +395,7 @@ Use
 and
 .I vtfromdisktype
 (see
-.IR venti (3))
+.MR venti (3) )
 to convert a block type enumeration value
 .RB ( VtDataType ,
 etc.)
@@ -457,9 +457,9 @@ in the
 packet may be either 2 or 4 bytes;
 the total packet length distinguishes the two cases.
 .SH SEE ALSO
-.IR venti (1),
-.IR venti (3),
-.IR venti (8)
+.MR venti (1) ,
+.MR venti (3) ,
+.MR venti (8)
 .br
 Sean Quinlan and Sean Dorward,
 ``Venti: a new approach to archival storage'',