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Corrected some man pages.

--- a/sys/man/2/graphics

+++ b/sys/man/2/graphics

@@ -368,14 +368,10 @@

 .I label

 are as in

 .IR initdraw ;

-.I mousedir

-and

 .I windir

-are the directories holding the

-.B mouse

-and

+is the directory holding the

 .B winname

-files; and

+file; and

 .I ref

 specifies the refresh function to be used to create the window, if running under

 .IR rio (1)

--- a/sys/man/3/draw

+++ b/sys/man/3/draw

@@ -40,6 +40,8 @@

 channel format

 of the image,

 the

+replicate bit,

+the

 .BR min.x ,

 .BR min.y ,

 .BR max.x ,

@@ -70,7 +72,7 @@

 Via the 

 .B ctl

 and

-.B draw 

+.B data 

 files, the

 .I draw

 device provides access to 

--- a/sys/man/6/image

+++ b/sys/man/6/image

@@ -57,8 +57,8 @@

 .I d

 contiguous bits in a byte, with the pixel's high order bit

 starting at the byte's bit number

-.if t \fIw\fP\(mu(\fIx\fP mod (8/\fIw\fP)),

-.if n w*(x mod (8/w)),

+.if t \fId\fP\(mu(\fIx\fP mod (8/\fId\fP)),

+.if n d*(x mod (8/d)),

 where bits within a byte are numbered 0 to 7 from the

 high order to the low order bit.

 Rows contain integral number of bytes, so there may be some unused

-- 

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