X509V3_get_d2i.pod: Fix glitch on X509V3_get{,_ext}_d2i and align order

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from openssl#17724)

doc/man3/X509V3_get_d2i.pod

@@ -2,11 +2,12 @@
 
 =head1 NAME
 
-X509_get0_extensions, X509_CRL_get0_extensions, X509_REVOKED_get0_extensions,
 X509V3_get_d2i, X509V3_add1_i2d, X509V3_EXT_d2i, X509V3_EXT_i2d,
-X509_get_ext_d2i, X509_add1_ext_i2d, X509_CRL_get_ext_d2i,
-X509_CRL_add1_ext_i2d, X509_REVOKED_get_ext_d2i,
-X509_REVOKED_add1_ext_i2d - X509 extension decode and encode functions
+X509_get_ext_d2i, X509_add1_ext_i2d,
+X509_CRL_get_ext_d2i, X509_CRL_add1_ext_i2d,
+X509_REVOKED_get_ext_d2i, X509_REVOKED_add1_ext_i2d,
+X509_get0_extensions, X509_CRL_get0_extensions,
+X509_REVOKED_get0_extensions - X509 extension decode and encode functions
 
 =head1 SYNOPSIS
 
@@ -38,7 +39,7 @@ X509_REVOKED_add1_ext_i2d - X509 extension decode and encode functions
 
 =head1 DESCRIPTION
 
-X509V3_get_ext_d2i() looks for an extension with OID B<nid> in the extensions
+X509V3_get_d2i() looks for an extension with OID B<nid> in the extensions
 B<x> and, if found, decodes it. If B<idx> is B<NULL> then only one
 occurrence of an extension is permissible otherwise the first extension after
 index B<*idx> is returned and B<*idx> updated to the location of the extension.
@@ -104,7 +105,8 @@ B<X509V3_ADD_DELETE> extension B<nid> is deleted: no new extension is added.
 If B<X509V3_ADD_SILENT> is ored with B<flags>: any error returned will not
 be added to the error queue.
 
-The function X509V3_get_d2i() will return B<NULL> if the extension is not
+The function X509V3_get_d2i() and its variants
+will return B<NULL> if the extension is not
 found, occurs multiple times or cannot be decoded. It is possible to
 determine the precise reason by checking the value of B<*crit>.
 
@@ -195,17 +197,17 @@ The following extensions are used by certificate transparency, RFC6962
 
 =head1 RETURN VALUES
 
-X509V3_EXT_d2i() and *X509V3_get_d2i() return a pointer to an extension
-specific structure or B<NULL> if an error occurs.
+X509V3_get_d2i(), its variants, and X509V3_EXT_d2i() return
+a pointer to an extension specific structure or B<NULL> if an error occurs.
 
-X509V3_EXT_i2d() returns a pointer to an B<X509_EXTENSION> structure
-or B<NULL> if an error occurs.
-
-X509V3_add1_i2d() returns 1 if the operation is successful and 0 if it
-fails due to a non-fatal error (extension not found, already exists,
+X509V3_add1_i2d() and its variants return 1 if the operation is successful
+and 0 if it fails due to a non-fatal error (extension not found, already exists,
 cannot be encoded) or -1 due to a fatal error such as a memory allocation
 failure.
 
+X509V3_EXT_i2d() returns a pointer to an B<X509_EXTENSION> structure
+or B<NULL> if an error occurs.
+
 X509_get0_extensions(), X509_CRL_get0_extensions() and
 X509_REVOKED_get0_extensions() return a stack of extensions. They return
 NULL if no extensions are present.