adjtimex.2, futex.2, semop.2, slabinfo.5, feature_test_macros.7, keyrings.7: srcfix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man2/adjtimex.2

@@ -173,8 +173,8 @@ The following example shows how to
 normalize a
 .I timeval
 with nanosecond resolution.
-.PP
-.in +12n
+.IP
+.in +4n
 .EX
 while (buf.time.tv_usec < 0) {
     buf.time.tv_sec  -= 1;

man2/futex.2

@@ -621,7 +621,7 @@ in the bits of the argument
 .IR val3 .
 Pictorially, the encoding is:
 .IP
-.in +8n
+.in +4n
 .EX
 +---+---+-----------+-----------+
 |op |cmp|   oparg   |  cmparg   |

man2/semop.2

@@ -64,8 +64,8 @@ unsigned short  semval;   /* semaphore value */
 unsigned short  semzcnt;  /* # waiting for zero */
 unsigned short  semncnt;  /* # waiting for increase */
 pid_t           sempid;   /* PID of process that last
-.in
 .EE
+.in
 .PP
 .BR semop ()
 performs operations on selected semaphores in the set indicated by

man5/slabinfo.5

@@ -38,7 +38,6 @@ gives statistics on these caches.
 The following (edited) output shows an example of the
 contents of this file:
 .PP
-.in 0
 .EX
 $ \fBsudo cat /proc/slabinfo\fP
 slabinfo - version: 2.1
@@ -48,7 +47,6 @@ sighand_cache 355   405 2112  15  8 : tunables  0  0  0 : slabdata  27  27  0
 kmalloc-8192   96   96  8192   4  8 : tunables  0  0  0 : slabdata  24  24  0
 \&...
 .EE
-.in
 .PP
 The first line of output includes a version number,
 which allows an application that is reading the file to handle changes

man7/feature_test_macros.7

@@ -82,12 +82,12 @@ manual page):
 .PP
 .BI "int acct(const char *" filename );
 .PP
+.RS -4
 .EX
-.in -4n
 Feature Test Macro Requirements for glibc (see
 .BR feature_test_macros (7)):
 .EE
-.in
+.RS
 .PP
 .BR acct ():
 _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE\ <\ 500)

man7/keyrings.7

@@ -549,7 +549,6 @@ An example of the data that one might see in this file
 (with the columns numbered for easy reference below)
 is the following:
 .IP
-.in 0n
 .EX
   (1)     (2)     (3)(4)    (5)     (6)   (7)   (8)        (9)
 009a2028 I--Q---   1 perm 3f010000  1000  1000 user     krb_ccache:primary: 12
@@ -562,7 +561,6 @@ is the following:
 32a387ea I--Q---   1 perm 3f010000  1000  1000 keyring  _pid: 2
 3ce56aea I--Q---   5 perm 3f030000  1000  1000 keyring  _ses: 1
 .EE
-.in
 .IP
 The fields shown in each line of this file are as follows:
 .RS