Reformatted headings.

man4/console_codes.4

@@ -64,11 +64,13 @@ always want to use a terminfo-aware screen library or utility such as
 .BR tput (1),
 or
 .BR reset (1).
-.SH "LINUX CONSOLE CONTROLS"
+.SS "Linux Console Controls"
 This section describes all the control characters and escape sequences
 that invoke special functions (i.e., anything other than writing a
 glyph at the current cursor location) on the Linux console.
-.SS "Control characters"
+.PP
+.B "Control characters"
+.sp
 A character is a control character if (before transformation
 according to the mapping table) it has one of the 14 codes
 00 (NUL), 07 (BEL), 08 (BS), 09 (HT), 0a (LF), 0b (VT),
@@ -113,7 +115,8 @@ ESC (0x1B, ^[) starts an escape sequence;
 DEL (0x7F) is ignored;
 .HP
 CSI (0x9B) is equivalent to ESC [.
-.SS "ESC- but not CSI-sequences"
+.PP
+.B "ESC- but not CSI-sequences"
 .TS
 l l l.
 ESC c	RIS	Reset.
@@ -156,7 +159,9 @@ the red/green/blue values (0-255).
 ESC ] R: reset palette
 T}
 .TE
-.SS "ECMA-48 CSI sequences"
+.PP
+.B "ECMA-48 CSI sequences"
+.sp
 CSI (or ESC [) is followed by a sequence of parameters,
 at most NPAR (16), that are decimal numbers separated by
 semicolons.
@@ -210,7 +215,9 @@ s	?	Save cursor location.
 u	?	Restore cursor location.
 `	HPA	Move cursor to indicated column in current row.
 .TE
-.SS ECMA-48 Set Graphics Rendition
+.PP
+.B ECMA-48 Set Graphics Rendition
+.sp
 The ECMA-48 SGR sequence ESC [ \fIparameters\fP m sets display
 attributes.
 Several attributes can be set in the same sequence, separated by
@@ -270,7 +277,8 @@ T}
 47	set white background
 49	set default background color
 .TE
-.SS ECMA-48 Mode Switches
+.PP
+.B ECMA-48 Mode Switches
 .TP
 ESC [ 3 h
 DECCRM (default off): Display control chars.
@@ -281,7 +289,8 @@ DECIM (default off): Set insert mode.
 ESC [ 20 h
 LF/NL (default off): Automatically follow echo of LF, VT or FF with CR.
 .\"
-.SS ECMA-48 Status Report Commands
+.PP
+.B ECMA-48 Status Report Commands
 .\"
 .TP
 ESC [ 5 n
@@ -291,7 +300,9 @@ ESC [ 6 n
 Cursor position report (CPR): Answer is ESC [ \fIy\fP ; \fIx\fP R,
 where \fIx,y\fP is the cursor location.
 .\"
-.SS DEC Private Mode (DECSET/DECRST) sequences.
+.PP
+.B DEC Private Mode (DECSET/DECRST) sequences
+.sp
 .\"
 These are not described in ECMA-48.
 We list the Set Mode sequences;
@@ -336,7 +347,9 @@ ESC [ ? 1000 h
 X11 Mouse Reporting (default off): Set reporting mode to 2 (or reset
 to 0) \(em see below.
 .\"
-.SS Linux Console Private CSI Sequences
+.PP
+.B Linux Console Private CSI Sequences
+.sp
 .\"
 The following sequences are neither ECMA-48 nor native VT102.
 They are native to the Linux console driver.
@@ -355,7 +368,7 @@ ESC [ 12 ; \fIn\fP ]	Bring specified console to the front.
 ESC [ 13 ]      	Unblank the screen.
 ESC [ 14 ; \fIn\fP ]   	Set the VESA powerdown interval in minutes.
 .TE
-.SH "CHARACTER SETS"
+.SS "Character Sets"
 The kernel knows about 4 translations of bytes into console-screen
 symbols.
 The four tables are: a) Latin1 \-> PC,
@@ -390,7 +403,7 @@ s = map[c] is sent to the video memory.
 The bitmap that corresponds to
 s is found in the character ROM, and can be changed using
 .BR setfont (8).
-.SH "MOUSE TRACKING"
+.SS "Mouse Tracking"
 The mouse tracking facility is intended to return xterm-compatible
 mouse status reports.
 Because the console driver has no way to know
@@ -432,14 +445,16 @@ pressed and are added together: 4=Shift, 8=Meta, 16=Control.
 Again \fIx\fP and
 \fIy\fP are the x and y coordinates of the mouse event.
 The upper left corner is (1,1).
-.SH "COMPARISONS WITH OTHER TERMINALS"
+.SS "Comparisons With Other Terminals"
 Many different terminal types are described, like the Linux console,
 as being `VT100-compatible'.
 Here we discuss differences between the
 Linux console and the two most important others, the DEC VT102 and
 .BR xterm (1).
 .\"
-.SS Control-character handling
+.PP
+.B Control-character handling
+.sp
 The VT102 also recognized the following control characters:
 .HP
 NUL (0x00) was ignored;
@@ -458,7 +473,9 @@ The
 program (in VT100 mode) recognizes the control characters
 BEL, BS, HT, LF, VT, FF, CR, SO, SI, ESC.
 .\"
-.SS Escape sequences
+.PP
+.B Escape sequences
+.sp
 VT100 console sequences not implemented on the Linux console:
 .TS
 l l l.
@@ -531,7 +548,9 @@ ESC ~	LS1R	Invoke the G1 character set as GR.
 It also recognizes ESC % and provides a more complete UTF-8
 implementation than Linux console.
 .\"
-.SS CSI Sequences
+.PP
+.B CSI Sequences
+.sp
 Old versions of \fIxterm\fP, for example, from X11R5,
 interpret the blink SGR as a bold SGR.
 Later versions which implemented ANSI colors, for example,