doc: consistent use of markup
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/extensions/libxt_CONNMARK.man b/extensions/libxt_CONNMARK.man
index 13c6b4b..9317923 100644
--- a/extensions/libxt_CONNMARK.man
+++ b/extensions/libxt_CONNMARK.man
@@ -2,7 +2,7 @@
mark is 32 bits wide.
.TP
\fB\-\-set\-xmark\fP \fIvalue\fP[\fB/\fP\fImask\fP]
-Zero out the bits given by \fImask\fR and XOR \fIvalue\fR into the ctmark.
+Zero out the bits given by \fImask\fP and XOR \fIvalue\fP into the ctmark.
.TP
\fB\-\-save\-mark\fP [\fB\-\-nfmask\fP \fInfmask\fP] [\fB\-\-ctmask\fP \fIctmask\fP]
Copy the packet mark (nfmark) to the connection mark (ctmark) using the given
@@ -10,18 +10,18 @@
.IP
ctmark = (ctmark & ~ctmask) ^ (nfmark & nfmask)
.IP
-i.e. \fIctmask\fR defines what bits to clear and \fInfmask\fR what bits of the
-nfmark to XOR into the ctmark. \fIctmask\fR and \fInfmask\fR default to
+i.e. \fIctmask\fP defines what bits to clear and \fInfmask\fP what bits of the
+nfmark to XOR into the ctmark. \fIctmask\fP and \fInfmask\fP default to
0xFFFFFFFF.
.TP
\fB\-\-restore\-mark\fP [\fB\-\-nfmask\fP \fInfmask\fP] [\fB\-\-ctmask\fP \fIctmask\fP]
Copy the connection mark (ctmark) to the packet mark (nfmark) using the given
masks. The new ctmark value is determined as follows:
.IP
-nfmark = (nfmark & ~\fInfmask\fR) ^ (ctmark & \fIctmask\fR);
+nfmark = (nfmark & ~\fInfmask\fP) ^ (ctmark & \fIctmask\fP);
.IP
-i.e. \fInfmask\fR defines what bits to clear and \fIctmask\fR what bits of the
-ctmark to XOR into the nfmark. \fIctmask\fR and \fInfmask\fR default to
+i.e. \fInfmask\fP defines what bits to clear and \fIctmask\fP what bits of the
+ctmark to XOR into the nfmark. \fIctmask\fP and \fInfmask\fP default to
0xFFFFFFFF.
.IP
\fB\-\-restore\-mark\fP is only valid in the \fBmangle\fP table.
@@ -29,16 +29,16 @@
The following mnemonics are available for \fB\-\-set\-xmark\fP:
.TP
\fB\-\-and\-mark\fP \fIbits\fP
-Binary AND the ctmark with \fIbits\fR. (Mnemonic for \fB\-\-set\-xmark
-0/\fR\fIinvbits\fR, where \fIinvbits\fR is the binary negation of \fIbits\fR.)
+Binary AND the ctmark with \fIbits\fP. (Mnemonic for \fB\-\-set\-xmark
+0/\fP\fIinvbits\fP, where \fIinvbits\fP is the binary negation of \fIbits\fP.)
.TP
\fB\-\-or\-mark\fP \fIbits\fP
-Binary OR the ctmark with \fIbits\fR. (Mnemonic for \fB\-\-set\-xmark\fP
-\fIbits\fR\fB/\fR\fIbits\fR.)
+Binary OR the ctmark with \fIbits\fP. (Mnemonic for \fB\-\-set\-xmark\fP
+\fIbits\fP\fB/\fP\fIbits\fP.)
.TP
\fB\-\-xor\-mark\fP \fIbits\fP
-Binary XOR the ctmark with \fIbits\fR. (Mnemonic for \fB\-\-set\-xmark\fP
-\fIbits\fR\fB/0\fR.)
+Binary XOR the ctmark with \fIbits\fP. (Mnemonic for \fB\-\-set\-xmark\fP
+\fIbits\fP\fB/0\fP.)
.TP
\fB\-\-set\-mark\fP \fIvalue\fP[\fB/\fP\fImask\fP]
Set the connection mark. If a mask is specified then only those bits set in the
@@ -50,4 +50,4 @@
.TP
\fB\-\-restore\-mark\fP [\fB\-\-mask\fP \fImask\fP]
Copy the ctmark to the nfmark. If a mask is specified, only those bits are
-copied. This is only valid in the \fBmangle\fR table.
+copied. This is only valid in the \fBmangle\fP table.
