PostgreSQL ecpg/initdb manual page fixes

This was generated based on automatic Red Hat manual page scan (private
RHBZ#948933).

diff -up postgresql-13.1/doc/src/sgml/man1/ecpg.1.patch6 postgresql-13.1/doc/src/sgml/man1/ecpg.1
--- postgresql-13.1/doc/src/sgml/man1/ecpg.1.patch6	2020-11-09 23:38:03.000000000 +0100
+++ postgresql-13.1/doc/src/sgml/man1/ecpg.1	2020-11-18 09:26:40.547324791 +0100
@@ -81,6 +81,11 @@ ORACLE\&.
 Define a C preprocessor symbol\&.
 .RE
 .PP
+\fB\-h \fR
+.RS 4
+Parse a header file, this option includes option \fB\-c\fR\&.
+.RE
+.PP
 \fB\-h\fR
 .RS 4
 Process header files\&. When this option is specified, the output file extension becomes
@@ -144,6 +149,11 @@ Allow question mark as placeholder for c
 .RE
 .RE
 .PP
+\fB\-\-regression\fR
+.RS 4
+Run in regression testing mode\&.
+.RE
+.PP
 \fB\-t\fR
 .RS 4
 Turn on autocommit of transactions\&. In this mode, each SQL command is automatically committed unless it is inside an explicit transaction block\&. In the default mode, commands are committed only when
diff -up postgresql-13.1/doc/src/sgml/man1/initdb.1.patch6 postgresql-13.1/doc/src/sgml/man1/initdb.1
--- postgresql-13.1/doc/src/sgml/man1/initdb.1.patch6	2020-11-09 23:38:05.000000000 +0100
+++ postgresql-13.1/doc/src/sgml/man1/initdb.1	2020-11-18 09:25:05.082348424 +0100
@@ -311,6 +311,13 @@ determines that an error prevented it fr
 .PP
 Other options:
 .PP
+\fB\-s\fR
+.br
+\fB\-\-show\fR
+.RS 4
+Print the internal settings, then exit\&.
+.RE
+.PP
 \fB\-V\fR
 .br
 \fB\-\-version\fR