Rework/remove use of ".ad" macros.

man3/longjmp.3

@@ -27,15 +27,13 @@
 .SH NAME
 longjmp, siglongjmp \- non-local jump to a saved stack context
 .SH SYNOPSIS
-.ad l
-.B #include <setjmp.h>
-.sp
 .nf
+.B #include <setjmp.h>
+
 .BI "void longjmp(jmp_buf " env ", int " val );
 
 .BI "void siglongjmp(sigjmp_buf " env ", int " val );
 .fi
-.ad b
 .sp
 .in -4n
 Feature Test Macro Requirements for glibc (see

man3/printf.3

@@ -54,7 +54,6 @@ printf, fprintf, sprintf, snprintf, vprintf, vfprintf, vsprintf, vsnprintf \- fo
 .BI "int vsprintf(char *" str ", const char *" format ", va_list " ap );
 .br
 .BI "int vsnprintf(char *" str ", size_t " size ", const char *" format ", va_list " ap );
-.ad
 .sp
 .in -4n
 Feature Test Macro Requirements for glibc (see

man3/scanf.3

@@ -49,20 +49,16 @@ scanf, fscanf, sscanf, vscanf, vsscanf, vfscanf \- input format conversion
 .SH SYNOPSIS
 .nf
 .B #include <stdio.h>
-.na
+
-.BI "int scanf(const char *" format ", ..." );
+.BI "int scanf(const char *" format ", ...);"
-.br
+.BI "int fscanf(FILE *" stream ", const char *" format ", ...);"
-.BI "int fscanf(FILE *" stream ", const char *" format ", ..." );
+.BI "int sscanf(const char *" str ", const char *" format ", ...);"
-.br
-.BI "int sscanf(const char *" str ", const char *" format ", ..." );
 .sp
 .B #include <stdarg.h>
+
 .BI "int vscanf(const char *" format ", va_list " ap );
-.br
 .BI "int vsscanf(const char *" str ", const char *" format ", va_list " ap );
-.br
 .BI "int vfscanf(FILE *" stream ", const char *" format ", va_list " ap );
-.ad
 .fi
 .sp
 .in -4n

man3/setbuf.3

@@ -47,18 +47,18 @@
 .SH NAME
 setbuf, setbuffer, setlinebuf, setvbuf \- stream buffering operations
 .SH SYNOPSIS
-.na
+.nf
 .B #include <stdio.h>
-.sp
+
 .BI "void setbuf(FILE *" stream ", char *" buf );
-.sp
+
 .BI "void setbuffer(FILE *" stream ", char *" buf ", size_t "  size );
-.sp
+
 .BI "void setlinebuf(FILE *" stream );
-.sp
+
-.BI "int setvbuf(FILE *" stream ", char *" buf ", int " mode
+.BI "int setvbuf(FILE *" stream ", char *" buf ", int " mode \
-.BI ", size_t " size );
+", size_t " size );
-.ad
+.fi
 .sp
 .in -4n
 Feature Test Macro Requirements for glibc (see

man3/setjmp.3

@@ -27,7 +27,6 @@
 .SH NAME
 setjmp, sigsetjmp \- save stack context for non-local goto
 .SH SYNOPSIS
-.ad l
 .B #include <setjmp.h>
 .sp
 .nf
@@ -35,7 +34,6 @@ setjmp, sigsetjmp \- save stack context for non-local goto
 
 .BI "int sigsetjmp(sigjmp_buf " env ", int " savesigs );
 .fi
-.ad b
 .sp
 .in -4n
 Feature Test Macro Requirements for glibc (see

man4/sk98lin.4

@@ -58,6 +58,8 @@ sk98lin \- Marvell/SysKonnect Gigabit Ethernet driver v6.21
 .RB [ RlmtMode=\c
 .IR i,j,... ]
 .SH DESCRIPTION
+.ad l
+.hy 0
 .B sk98lin
 is the Gigabit Ethernet driver for
 Marvell and SysKonnect network adapter cards.
@@ -399,27 +401,20 @@ The different values of this variable reflect the
 most meaningful combinations of port parameters.
 Possible values and their corresponding combination of per-port parameters:
 
-.br
+.nf
-.ad l
 ConType | DupCap   AutoNeg   FlowCtrl   Role   Speed
 --------+-------------------------------------------
+\fIAuto\fP    |  Both      On      SymOrRem   Auto   Auto
 .br
-.IR Auto \c
+\fI100FD\fP   |  Full      Off       None     Auto   100
-    |  Both      On      SymOrRem   Auto   Auto
 .br
-.IR 100FD \c
+\fI100HD\fP   |  Half      Off       None     Auto   100
-   |  Full      Off       None     Auto   100
 .br
-.IR 100HD \c
+\fI10FD\fP    |  Full      Off       None     Auto   10
-   |  Half      Off       None     Auto   100
 .br
-.IR 10FD \c
+\fI10HD\fP    |  Half      Off       None     Auto   10
-    |  Full      Off       None     Auto   10
-.br
-.IR 10HD \c
-    |  Half      Off       None     Auto   10
 
-.ad b
+.fi
 Stating any other port parameter together with this
 .I ConType
 parameter will result in a merged configuration of those settings.

man7/environ.7

@@ -34,12 +34,10 @@
 .SH NAME
 environ \- user environment
 .SH SYNOPSIS
-.ad l
 .nf
-.B extern char **environ;
+.BI "extern char **" environ ;
 .br
 .fi
-.ad b
 .SH DESCRIPTION
 The variable
 .I environ