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 .Dd September 8, 2018
 .Dt GFXX 1
 .Os "Causal Agency"
+.
 .Sh NAME
 .Nm gfxx
 .Nd graphics data explorer
+.
 .Sh SYNOPSIS
 .Nm
 .Op Fl fm
@@ -16,15 +18,18 @@
 .Op Fl w Ar width
 .Op Fl z Ar scale
 .Op Fl o Ar prefix
+.
 .Sh DESCRIPTION
 .Nm
 is an interactive graphics data explorer
 capable of dumping PNGs.
+.
 .Pp
 The arguments are as follows:
 .Bl -tag -width Ds
 .It Fl E Ar lb
 Set bit order to little or big endian.
+.
 .It Fl b Ar bits
 Set number of bits of padding,
 red,
@@ -32,72 +37,102 @@ green
 and blue
 components.
 Four digits are required.
+.
 .It Fl c Ar space
 Set color space to one of
 .Cm indexed ,
 .Cm grayscale ,
 .Cm rgb .
+.
 .It Fl e Ar lb
 Set byte order to little or big endian.
+.
 .It Fl f
 Flip display vertically.
+.
 .It Fl m
 Mirror display horizontally.
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 .It Fl n Ar offset
 Set byte offset into data.
+.
 .It Fl o Ar prefix
 Set PNG output filename prefix.
+.
 .It Fl p Ar file
 Load indexed color palette from
 .Ar file .
+.
 .It Fl w Ar width
 Set display column width.
+.
 .It Fl z Ar scale
 Set display scale.
 .El
+.
 .Pp
 The interactive keys are as follows:
 .Bl -tag -width Ds
 .It Ic q
 Quit.
+.
 .It Ic x
 Export one frame as PNG.
+.
 .It Ic X
 Export each frame as PNG.
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 .It Ic o
 Print interactive options.
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 .It Ic []
 Select color space.
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 .It Ic p
 Sample indexed palette from top-left corner.
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 .It Ic P
 Export indexed palette as RGB data.
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 .It Ic {}
 Select bits preset.
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 .It Ic e
 Toggle byte order.
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 .It Ic E
 Toggle bit order.
+.
 .It Ic hl
 Adjust offset by byte.
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 .It Ic jk
 Adjust offset by pixel.
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 .It Ic HL
 Adjust offset by pixel row.
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 .It Ic JK
 Adjust offset by pixel row square.
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 .It Ic ,.
 Adjust display column width.
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 .It Ic <>
 Adjust display column width by half or double.
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 .It Ic f
 Toggle vertically flipped display.
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 .It Ic m
 Toggle horizontally mirrored display.
+.
 .It Ic -+
 Adjust display scale.
+.
 .It Ic 0-9
 Set bits.
 .El
+.
 .Sh SEE ALSO
 .Xr pngo 1