Fix some formatting errors in man pages

man/gbz80.7

@@ -628,7 +628,7 @@ Enter CPU low-power consumption mode until an interrupt occurs.
 The exact behavior of this instruction depends on the state of the
 .Sy IME
 flag.
-.Bl -tag -width indent
+.Bl -tag -width Ds
 .It Sy IME No set
 The CPU enters low-power mode until
 .Em after
@@ -640,7 +640,7 @@ when that returns.
 The behavior depends on whether an interrupt is pending (i.e.\&
 .Ql [IE] & [IF]
 is non-zero).
-.Bl -tag -width indent
+.Bl -tag -width Ds
 .It None pending
 As soon as an interrupt becomes pending, the CPU resumes execution.
 This is like the above, except that the handler is

man/rgbasm.5

@@ -1328,13 +1328,13 @@ and so on to be accessible to other files during the link process:
 For example, if you have the following three files:
 .Pp
 .Ql a.asm :
-.Bd -literal -compact
+.Bd -literal -offset indent -compact
 SECTION "a", WRAM0
 LabelA:
 .Ed
 .Pp
 .Ql b.asm :
-.Bd -literal -compact
+.Bd -literal -offset indent -compact
 SECTION "b", WRAM0
 ExportedLabelB1::
 ExportedLabelB2:
@@ -1342,7 +1342,7 @@ ExportedLabelB2:
 .Ed
 .Pp
 .Ql c.asm :
-.Bd -literal -compact
+.Bd -literal -offset indent -compact
 SECTION "C", ROM0[0]
 	dw LabelA
 	dw ExportedLabelB1
@@ -1358,7 +1358,7 @@ and
 but not
 .Ql LabelA ,
 so linking them together will fail:
-.Bd -literal
+.Bd -literal -offset indent
 $ rgbasm -o a.o a.asm
 $ rgbasm -o b.o b.asm
 $ rgbasm -o c.o c.asm
@@ -1372,7 +1372,7 @@ Note also that only exported symbols will appear in symbol and map files produce
 .Ss Purging symbols
 .Ic PURGE
 allows you to completely remove a symbol from the symbol table as if it had never existed.
-.Em USE WITH EXTREME CAUTION!
+.Em USE WITH EXTREME CAUTION !
 I can't stress this enough,
 .Sy you seriously need to know what you are doing .
 DON'T purge a symbol that you use in expressions the linker needs to calculate.

man/rgbds.5

@@ -318,8 +318,8 @@ RGBDS encodes RPN expressions as an array of
 .Cm BYTE Ns s .
 The first byte encodes either an operator, or a literal, which consumes more
 .Cm BYTE Ns s
-after it.
-.Bl -column -offset Ds "Value"
+after it:
+.Bl -column "Value"
 .It Sy Value Ta Sy Meaning
 .It Li $00 Ta Addition operator Pq Ql +
 .It Li $01 Ta Subtraction operator Pq Ql -

man/rgbgfx.1

@@ -281,7 +281,7 @@ Print the version of the program and exit.
 .It Fl v , Fl \-verbose
 Be verbose.
 The verbosity level is increased by one each time the flag is specified, with each level including the previous:
-.Bl -enum -width 2n -compact
+.Bl -enum -compact
 .It
 .Nm
 prints out its configuration before doing anything.