doc: describe knotc interactive mode

doc/man/knotc.8in

@@ -35,10 +35,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 \fBknotc\fP [\fIparameters\fP] \fIaction\fP [\fIaction_args\fP]
 .SH DESCRIPTION
 .sp
-If no \fIaction\fP is specified, the program is executed in interactive mode. Then
-various command or parameters completion is available via the TAB key. And
-command history is enabled (see \fIeditrc(5)\fP for additional
-customization).
+If no \fIaction\fP is specified, the program is executed in interactive mode.
 .SS Parameters
 .INDENT 0.0
 .TP
@@ -151,13 +148,22 @@ Set the item data in the transaction.
 \fBconf\-unset\fP [\fIitem\fP] [\fIdata\fP\&...]
 Unset the item data in the transaction.
 .UNINDENT
-.SH NOTE
+.SS Note
 .sp
 Empty \fIzone\fP parameter means all zones.
 .sp
 Type \fIitem\fP parameter in the form of \fIsection\fP[\fB[\fP\fIid\fP\fB]\fP][\fB\&.\fP\fIname\fP].
 .sp
 (*) indicates a local operation which requires a configuration.
+.SS Interactive mode
+.sp
+The utility provides interactive mode with basic line editing functionality,
+command completion, and command history.
+.sp
+Interactive mode behavior can be customized in \fI~/.editrc\fP\&. Refer to
+\fIeditrc(5)\fP for details.
+.sp
+Command history is saved in \fI~/.knotc_history\fP\&.
 .SH EXAMPLES
 .SS Reload the whole server configuration
 .INDENT 0.0

doc/man_knotc.rst

@@ -11,10 +11,7 @@ Synopsis
 Description
 -----------
 
-If no *action* is specified, the program is executed in interactive mode. Then
-various command or parameters completion is available via the TAB key. And
-command history is enabled (see :manpage:`editrc(5)` for additional
-customization).
+If no *action* is specified, the program is executed in interactive mode.
 
 Parameters
 ..........
@@ -131,7 +128,7 @@ Actions
   Unset the item data in the transaction.
 
 Note
-----
+....
 
 Empty *zone* parameter means all zones.
 
@@ -139,6 +136,17 @@ Type *item* parameter in the form of *section*\ [**[**\ *id*\ **]**\ ][**.**\ *n
 
 (*) indicates a local operation which requires a configuration.
 
+Interactive mode
+................
+
+The utility provides interactive mode with basic line editing functionality,
+command completion, and command history.
+
+Interactive mode behavior can be customized in `~/.editrc`. Refer to
+:manpage:`editrc(5)` for details.
+
+Command history is saved in `~/.knotc_history`.
+
 Examples
 --------