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Diffstat (limited to 'app/xterm/ctlseqs.txt')
| -rw-r--r-- | app/xterm/ctlseqs.txt | 311 |
1 files changed, 248 insertions, 63 deletions
diff --git a/app/xterm/ctlseqs.txt b/app/xterm/ctlseqs.txt index 1f8585fed..b57f7b62f 100644 --- a/app/xterm/ctlseqs.txt +++ b/app/xterm/ctlseqs.txt @@ -20,8 +20,8 @@ Thomas Dickey XFree86 Project (1996-2006) - invisible-island.net (2006-2023) - updated for XTerm Patch #378 (2023/01/06) + invisible-island.net (2006-2024) + updated for XTerm Patch #392 (2024/05/25) @@ -315,6 +315,7 @@ ESC ( C Designate G0 Character Set, VT100, ISO 2022. There are a few other 94-character sets: C = 0 -> DEC Special Character and Line Drawing Set, VT100. C = < -> DEC Supplemental, VT200. + C = < -> User Preferred Selection Set, VT300. C = > -> DEC Technical, VT300. These are documented as 94-character sets (like USASCII) without NRCS: @@ -413,6 +414,29 @@ DCS Ps ; Ps | Pt ST key value. The key codes correspond to the DEC function-key codes (e.g., F6=17). +DCS Ps! u Pt ST + Assigning User-Preferred Supplemental Sets (DECAUPSS), VT320, + VT510. XTerm ignores this in UTF-8 mode, and uses the + preferLatin1 resource to choose the default setting. + VT320 provides these: + DCS 0 ! u % 5 ST -> DEC Supplemental Graphic + DCS 1 ! u A ST -> ISO Latin-1 supplemental + VT510 adds these: + DCS 0 ! u " ? ST -> DEC Greek + DCS 0 ! u " 4 ST -> DEC Hebrew + DCS 0 ! u % 0 ST -> DEC Turkish + DCS 0 ! u & 4 ST -> DEC Cyrillic + DCS 1 ! u B ST -> ISO Latin-2 Supplemental + DCS 1 ! u F ST -> ISO Greek Supplemental + DCS 1 ! u H ST -> ISO Hebrew Supplemental + DCS 1 ! u M ST -> ISO Latin-5 Supplemental + DCS 1 ! u L ST -> ISO Latin-Cyrillic + VT520 accepts a few others (undocumented); xterm adds these: + DCS 0 ! u B ST -> United States (USASCII). + DCS 0 ! u 0 ST -> DEC Special Character and Line Drawing + Set. + DCS 0 ! u > ST -> DEC Technical. + DCS $ q Pt ST Request Status String (DECRQSS), VT420 and up. The string following the "q" is one of the following: @@ -426,7 +450,11 @@ DCS $ q Pt ST $ | -> DECSCPP $ } -> DECSASD $ ~ -> DECSSDT + * x -> DECSACE * | -> DECSNLS + , | -> DECAC (VT525 only) + , } -> DECATC (VT525 only) + > Pm m -> XTQMODKEYS (xterm) xterm responds with DCS 1 $ r Pt ST for valid requests, replacing the Pt with the corresponding CSI string, or DCS 0 $ r ST for invalid requests. @@ -615,7 +643,7 @@ CSI ? Pi ; Pa ; Pv S sizes, but disallows modifying those sizes because that is done once, using resource-values. o Graphics geometry is not necessarily the same as "window - size" (see the dtterm window manipulation extensions). + size" (see the XTWINOPS window manipulation extensions). XTerm limits the maximum graphics geometry according to the maxGraphicSize resource. The maxGraphicSize resource can be either an explicit @@ -655,6 +683,9 @@ CSI > Pm T (See discussion of Title Modes). +CSI ? 5 W Reset tab stops to start with column 9, every 8 columns + (DECST8C), VT510. + CSI Ps X Erase Ps Character(s) (default = 1) (ECH). CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). @@ -683,6 +714,7 @@ CSI Ps c Send Device Attributes (Primary DA). -> CSI ? 6 2 ; Ps c ("VT220") -> CSI ? 6 3 ; Ps c ("VT320") -> CSI ? 6 4 ; Ps c ("VT420") + -> CSI ? 6 5 ; Ps c ("VT510" to ("VT525") The VT100-style response parameters do not mean anything by themselves. VT220 (and higher) parameters do, telling the @@ -793,16 +825,21 @@ CSI ? Pm h Ps = 4 1 -> more(1) fix (see curses resource). Ps = 4 2 -> Enable National Replacement Character sets (DECNRCM), VT220. - Ps = 4 3 -> Enable Graphics Expanded Print Mode (DECGEPM). + Ps = 4 3 -> Enable Graphic Expanded Print Mode (DECGEPM), + VT340. Ps = 4 4 -> Turn on margin bell, xterm. - Ps = 4 4 -> Enable Graphics Print Color Mode (DECGPCM). - Ps = 4 5 -> Reverse-wraparound mode, xterm. - Ps = 4 5 -> Enable Graphics Print ColorSpace (DECGPCS). - Ps = 4 6 -> Start logging, xterm. This is normally - disabled by a compile-time option. + Ps = 4 4 -> Enable Graphic Print Color Mode (DECGPCM), + VT340. + Ps = 4 5 -> Reverse-wraparound mode (XTREVWRAP), xterm. + Ps = 4 5 -> Enable Graphic Print Color Syntax (DECGPCS), + VT340. + Ps = 4 6 -> Start logging (XTLOGGING), xterm. This is + normally disabled by a compile-time option. + Ps = 4 6 -> Graphic Print Background Mode, VT340. Ps = 4 7 -> Use Alternate Screen Buffer, xterm. This may be disabled by the titeInhibit resource. - Ps = 4 7 -> Enable Graphics Rotated Print Mode (DECGRPM). + Ps = 4 7 -> Enable Graphic Rotated Print Mode (DECGRPM), + VT340. Ps = 6 6 -> Application keypad mode (DECNKM), VT320. Ps = 6 7 -> Backarrow key sends backspace (DECBKM), VT340, VT420. This sets the backarrowKey resource to "true". @@ -829,6 +866,7 @@ CSI ? Pm h This sets the scrollTtyOutput resource to "true". Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt). This sets the scrollKey resource to "true". + Ps = 1 0 1 4 -> Enable fastScroll resource, xterm. Ps = 1 0 1 5 -> Enable urxvt Mouse Mode. Ps = 1 0 1 6 -> Enable SGR Mouse PixelMode, xterm. Ps = 1 0 3 4 -> Interpret "meta" key, xterm. This sets the @@ -853,6 +891,8 @@ CSI ? Pm h is received, xterm. This enables the popOnBell resource. Ps = 1 0 4 4 -> Reuse the most recent data copied to CLIPBOARD, xterm. This enables the keepClipboard resource. + Ps = 1 0 4 5 -> Extended Reverse-wraparound mode + (XTREVWRAP2), xterm. Ps = 1 0 4 6 -> Enable switching to/from Alternate Screen Buffer, xterm. This works for terminfo-based systems, updating the titeInhibit resource. @@ -874,7 +914,12 @@ CSI ? Pm h Ps = 1 0 6 0 -> Set legacy keyboard emulation, i.e, X11R6, xterm. Ps = 1 0 6 1 -> Set VT220 keyboard emulation, xterm. + Ps = 2 0 0 1 -> Enable readline mouse button-1, xterm. + Ps = 2 0 0 2 -> Enable readline mouse button-2, xterm. + Ps = 2 0 0 3 -> Enable readline mouse button-3, xterm. Ps = 2 0 0 4 -> Set bracketed paste mode, xterm. + Ps = 2 0 0 5 -> Enable readline character-quoting, xterm. + Ps = 2 0 0 6 -> Enable readline newline pasting, xterm. CSI Ps i Media Copy (MC). Ps = 0 -> Print screen (default). @@ -924,15 +969,19 @@ CSI ? Pm l Ps = 4 1 -> No more(1) fix (see curses resource). Ps = 4 2 -> Disable National Replacement Character sets (DECNRCM), VT220. - Ps = 4 3 -> Disable Graphics Expanded Print Mode (DECGEPM). + Ps = 4 3 -> Disable Graphic Expanded Print Mode (DECGEPM), + VT340. Ps = 4 4 -> Turn off margin bell, xterm. - Ps = 4 4 -> Disable Graphics Print Color Mode (DECGPCM). - Ps = 4 5 -> No Reverse-wraparound mode, xterm. - Ps = 4 5 -> Disable Graphics Print ColorSpace (DECGPCS). - Ps = 4 6 -> Stop logging, xterm. This is normally disabled - by a compile-time option. + Ps = 4 4 -> Disable Graphic Print Color Mode (DECGPCM), + VT340. + Ps = 4 5 -> No Reverse-wraparound mode (XTREVWRAP), xterm. + Ps = 4 5 -> Disable Graphic Print Color Syntax (DECGPCS), + VT340. + Ps = 4 6 -> Stop logging (XTLOGGING), xterm. This is + normally disabled by a compile-time option. Ps = 4 7 -> Use Normal Screen Buffer, xterm. - Ps = 4 7 -> Disable Graphics Rotated Print Mode (DECGRPM). + Ps = 4 7 -> Disable Graphic Rotated Print Mode (DECGRPM), + VT340. Ps = 6 6 -> Numeric keypad mode (DECNKM), VT320. Ps = 6 7 -> Backarrow key sends delete (DECBKM), VT340, VT420. This sets the backarrowKey resource to "false". @@ -959,6 +1008,7 @@ CSI ? Pm l (rxvt). This sets the scrollTtyOutput resource to "false". Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt). This sets the scrollKey resource to "false". + Ps = 1 0 1 4 -> Disable fastScroll resource, xterm. Ps = 1 0 1 5 -> Disable urxvt Mouse Mode. Ps = 1 0 1 6 -> Disable SGR Mouse Pixel-Mode, xterm. Ps = 1 0 3 4 -> Don't interpret "meta" key, xterm. This @@ -980,6 +1030,8 @@ CSI ? Pm l resource. Ps = 1 0 4 3 -> Disable raising of the window when Control- G is received, xterm. This disables the popOnBell resource. + Ps = 1 0 4 5 -> No Extended Reverse-wraparound mode + (XTREVWRAP2), xterm. Ps = 1 0 4 6 -> Disable switching to/from Alternate Screen Buffer, xterm. This works for terminfo-based systems, updating the titeInhibit resource. If currently using the @@ -1004,7 +1056,12 @@ CSI ? Pm l X11R6, xterm. Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style, xterm. + Ps = 2 0 0 1 -> Disable readline mouse button-1, xterm. + Ps = 2 0 0 2 -> Disable readline mouse button-2, xterm. + Ps = 2 0 0 3 -> Disable readline mouse button-3, xterm. Ps = 2 0 0 4 -> Reset bracketed paste mode, xterm. + Ps = 2 0 0 5 -> Disable readline character-quoting, xterm. + Ps = 2 0 0 6 -> Disable readline newline pasting, xterm. CSI Pm m Character Attributes (SGR). Ps = 0 -> Normal (default), VT100. @@ -1250,11 +1307,8 @@ CSI ? Ps n The last two parameters apply to VT300 & up (keyboard ready) and VT400 & up (LK01) respectively. - Ps = 5 3 -> Report Locator status. The response is CSI ? 5 - 3 n Locator available, if compiled-in, or CSI ? 5 0 n No - Locator, if not. Ps = 5 5 -> Report Locator status. The response is CSI ? 5 - 3 n Locator available, if compiled-in, or CSI ? 5 0 n No + 0 n Locator available, if compiled-in, or CSI ? 5 3 n No Locator, if not. Ps = 5 6 -> Report Locator type. The response is CSI ? 5 7 ; 1 n Mouse, if compiled-in, or CSI ? 5 7 ; 0 n Cannot @@ -1338,9 +1392,9 @@ CSI Pm # p limitations of C#. CSI > Ps q - Ps = 0 -> Report xterm name and version (XTVERSION). The - response is a DSR sequence identifying the version: DCS > | - text ST + Ps = 0 -> Report xterm name and version (XTVERSION). + The response is a DSR sequence identifying the version: + DCS > | text ST CSI Ps q Load LEDs (DECLL), VT100. Ps = 0 -> Clear all LEDS (default). @@ -1500,6 +1554,12 @@ CSI Ps ; Ps ; Ps t Ps >= 2 4 -> Resize to Ps lines (DECSLPP), VT340 and VT420. xterm adapts this by resizing its window. + XTWINOPS 2 2 (save/push title) and 2 3 (restore/pop title) + accept an optional third parameter for direct access to the + stack. Parameters in the range 1 through 10, may be used to + store the title into the stack or retrieve the title from the + stack without pushing/popping. + CSI > Pm t This xterm control sets one or more features of the title modes (XTSMTITLE), xterm. Each parameter enables a single @@ -1524,12 +1584,25 @@ CSI Pt ; Pl ; Pb ; Pr ; Pm $ t CSI u Restore cursor (SCORC, also ANSI.SYS). +CSI & u User-Preferred Supplemental Set (DECRQUPSS), VT320, VT510. + Response is DECAUPSS. + CSI Ps SP u Set margin-bell volume (DECSMBV), VT520. Ps = 0 , 5 , 6 , 7 , or 8 -> high. Ps = 1 -> off. Ps = 2 , 3 or 4 -> low. +CSI " v Request Displayed Extent (DECRQDE), VT340, VT420. + Response is + CSI Ph; Pw; Pc; Pr; Pp " w + where + Ph is the number of lines of the current page + Pw is the number of columns of the current page + Pc is the column number at the top-left of the window + Pr is the row number at the top-left of the window + Pp is the current page number + CSI Pt ; Pl ; Pb ; Pr ; Pp ; Pt ; Pl ; Pp $ v Copy Rectangular Area (DECCRA), VT400 and up. Pt ; Pl ; Pb ; Pr denotes the rectangle. @@ -1595,7 +1668,6 @@ CSI Ps # y 3 -> omit checksum for cells not explicitly initialized. 4 -> do not mask cell value to 8 bits or ignore combining characters. - 5 -> do not mask cell value to 7 bits. CSI Pi ; Pg ; Pt ; Pl ; Pb ; Pr * y Request Checksum of Rectangular Area (DECRQCRA), VT420 and up. @@ -1718,6 +1790,42 @@ CSI # } Pop video attributes from stack (XTPOPSGR), xterm. Popping restores the video-attributes which were saved using XTPUSHSGR to their previous state. +CSI Ps; Pf; Pb, | + Assign Color (DECAC), VT525 only. + Ps selects the color item + Pf is the foreground color index 0..15 + Pb is the background color index 0..15 + Color items: + Ps = 1 -> normal text + Ps = 2 -> window frame + xterm uses the SGR color palette with DECAC color item 1 to + update the VT100 window colors, like OSC 1 0 and 1 1 . + +CSI Ps; Pf; Pb, } + Alternate Text Color (DECATC), VT525 only. This feature + specifies the colors to use when DECSTGLT is selected to 1 or + 2. + Ps selects attribute combinations + Pf is the foreground color index 0..15 + Pb is the background color index 0..15 + Attribute combinations: + Ps = 0 -> normal text + Ps = 1 -> bold + Ps = 2 -> reverse + Ps = 3 -> underline + Ps = 4 -> blink + Ps = 5 -> bold reverse + Ps = 6 -> bold underline + Ps = 7 -> bold blink + Ps = 8 -> reverse underline + Ps = 9 -> reverse blink + Ps = 1 0 -> underline blink + Ps = 1 1 -> bold reverse underline + Ps = 1 2 -> bold reverse blink + Ps = 1 3 -> bold underline blink + Ps = 1 4 -> reverse underline blink + Ps = 1 5 -> bold reverse underline blink + CSI Ps ' } Insert Ps Column(s) (default = 1) (DECIC), VT420 and up. @@ -1741,13 +1849,15 @@ Operating System Commands OSC Ps ; Pt BEL OSC Ps ; Pt ST - Set Text Parameters. Some control sequences return + Set Text Parameters, xterm. Some control sequences return information: o For colors and font, if Pt is a "?", the control sequence elicits a response which consists of the control sequence which would set the corresponding value. - o The dtterm control sequences allow you to determine the - icon name and window title. + o A few of these control sequences began with dtterm (codes + 0 , 1 , and 2 ). Code 3 in dtterm sets the working + directory for the next session. XTerm does that with the + spawn-new-terminal action. XTerm accepts either BEL or ST for terminating OSC sequences, and when returning information, uses the same @@ -1816,6 +1926,25 @@ OSC Ps ; Pt ST list. The colors are specified by name or RGB specification as per XParseColor. + Resource Description + -----------------------+----------------------------- + foreground | VT100 text foreground color + background | VT100 text background color + cursorColor | text cursor color + pointerColor | pointer foreground color + pointerColorBackground | pointer background + (foreground) | Tektronix foreground color + (background) | Tektronix background color + highlightColor | highlight background color + (cursorColor) | Tektronix cursor color + highlightTextColor | highlight foreground color + -----------------------+----------------------------- + + + The Tektronix colors are initially set from the VT100 colors, + but after that can be set independently using these control + sequences. + If a "?" is given rather than a name or RGB specification, xterm replies with a control sequence of the same form which can be used to set the corresponding dynamic color. Because @@ -1834,10 +1963,14 @@ OSC Ps ; Pt ST Ps = 1 8 -> Change Tektronix cursor color to Pt. Ps = 1 9 -> Change highlight foreground color to Pt. - Ps = 2 2 -> Change pointer cursor to Pt. + Ps = 2 2 -> Change pointer cursor shape to Pt. The + parameter Pt sets the pointerShape resource. If Pt is empty, + or does not match any of the standard names, n uses the + resource's default "xterm" shape. - Ps = 4 6 -> Change Log File to Pt. This is normally - disabled by a compile-time option. + Ps = 4 6 -> Change Log File to Pt. The parameter Pt sets + the logFile resource. Logging is normally disabled by a + compile-time option. Ps = 5 0 -> Set Font to Pt. These controls may be disabled using the allowFontOps resource. If Pt begins with a "#", @@ -1981,8 +2114,8 @@ XTerm detects all of these keys via X key-press and key-release events. It uses the translations resource to decide what to do with these events. -o Ordinary keys are handled with the insert-seven-bit or insert-eight- - bit action. +o Ordinary keys are handled with the insert-seven-bit action, or the + insert-eight-bit action. o Special keys may be handled with other resources. However, xterm also has built-in logic to map commonly-used special keys into @@ -2459,6 +2592,50 @@ For background and discussion, see the FAQ: +Readline Modes + +Several modes provide support for mouse button events in readline. +Bracketed paste is one of these readline modes, but is used more widely. + +Some assumptions (particular mouse buttons) and limitations (the mouse +is clicked on the current row on the screen) apply: + +2 0 0 1 If mouse button 1 is used to end or extend a selection (the + select-end action), and if the cursor position is on the same + row as the mouse-click, send left/right cursor control + sequences to the host to adjust the cursor position to match + the mouse click. + +2 0 0 2 When pasting text (the insert-selection action which is + normally bound to mouse button 2), if mouse protocol is not + enabled, and if the cursor position is on the same row as the + mouse-click, send left/right cursor control sequences to the + host to adjust the cursor position to match the mouse click. + +2 0 0 3 If mouse button 3 is double-clicked when ending or extending a + selection, (the select-end action), and if the cursor position + is on the same line as the mouse-click: + + o Send left/right cursor control sequences to the host to + adjust the cursor position to match the mouse click. + + o In addition to the same row, the selection may be part of + a wrapped line as in other xterm selections (see the + Selection Functions section in the manual page). + + o After adjusting the cursor position, xterm sends erase- + characters (one for each character in the selection) to + tell the host to delete the selected text. + +2 0 0 5 When writing a selection to the host (i.e., pasting text), + escape each character with the literal-next (Ctrl-V) + character. + +2 0 0 6 Normally when xterm writes selections to the host, it + translates newlines to carriage returns. This mode disables + the translation, passing newlines literally. + + Title Modes The window- and icon-labels can be set or queried using control @@ -2858,6 +3035,13 @@ DCS Pm p Pr..Pr ST Pm = 2 -> resume command, use command display mode. Pm = 3 -> start new command, use command display mode. +A few of the VT330/VT340 private modes conflict with xterm. Codes 4 0 +to 4 7 were first used by xterm in X10R4 (December 1986). While X11R1 +xterm dropped codes 4 1 and 4 2 , the remaining ones are still used. +The VT330/VT340 introduced in April 1987 uses 4 4 to 4 7 for color +graphics printing controls. When configured for ReGIS, xterm uses the +VT330/VT340 interpretation of these private modes. + Non-VT100 Modes @@ -3019,10 +3203,11 @@ However long, the technical manuals have problems: o DEC's manuals did not provide a comprehensive comparison of the features in different model. - Peter Sichel's Host Interface Functions Checklist spreadsheet is - useful for noting which model introduced a given feature (although - there are a few apparent errors such as the DECRQSS feature cited - for VT320 whereas the technical manual omits it). + Host Interface Functions Checklist by Peter Sichel (January 12, + 1994) is helpful. This spreadsheet is useful for noting which model + introduced a given feature (although there are a few apparent errors + such as the DECRQSS feature cited for VT320 whereas the technical + manual omits it). o Sometimes the manuals disagree. For example, DEC's standard document (DEC STD 070) for terminals says that DECSCL performs a @@ -3159,7 +3344,7 @@ Standards The DEC terminal family (VT100 through VT525) is upward-compatible, using standards plus extensions, e.g., "private modes". Not all commonly-used features are standard. For example, scrolling regions are -not found in ECMA-48. On the other hand, ECMA-48 was not intended to +not found in ECMA-48. On the other hand, ECMA-48 was not intended to be all-encompassing. Quoting from the second edition: Full conformance to a standard means that all its requirements are @@ -3173,7 +3358,7 @@ all-encompassing. Quoting from the second edition: This Standard addresses a whole class of devices which can vary greatly from each other depending on the application for which a - device has been specifically designed. Obviously, a product which + device has been specifically designed. Obviously, a product which implements all facilities described in this standard - thus being in "full conformance" with it - whilst theoretically possible, would be technically and economically unthinkable. @@ -3215,7 +3400,7 @@ o ANSI X3.64-1979 does not list color as a feature of the SGR sequence ANSI X3.64-1979, and ECMA-48, Additional Controls for Character- Imaging I/O Devices, were developed in parallel, with close liaison. ISO DP 6429, Additional Control Functions for - Character-Imaging Devices, was developed as a synthesis of X3.04 + Character-Imaging Devices, was developed as a synthesis of X3.64 and ECMA-48. During this process, some control functions as well as additional selective parameters were added. Except for point 1 below, X3.64 is a subset of ISO 6429. Although the two @@ -3352,47 +3537,47 @@ o The SCOSC/SCORC control sequences for saving/restoring the cursor Most Dec Private mode settings can be saved away internally using \E[?ns, where n is the same number to set or reset the Dec Private mode. The mode can be restored using \E[?nr. This can - be used in termcap for vi, for example, to turn off saving of + be used in termcap for vi(1), for example, to turn off saving of lines, but restore whatever the original state was on exit. - while the SCOSC/SCORC pair was added in 1995 by XFree86 (and + while the SCOSC/SCORC pair was added in 1995 by XFree86 (and documented long afterwards). - The SCO ANSI console terminal descriptions did not use these - controls (they used the VT100-compatible SC/RC pair). SCOSC/SCORC - were an artifact of DOS 2.00 (January 1983), by Microsoft and later + The SCO ANSI console terminal descriptions did not use these + controls (they used the VT100-compatible SC/RC pair). SCOSC/SCORC + were an artifact of DOS 2.00 (January 1983), by Microsoft and later supported by SCO and other vendors. - The SCOSC/SCORC pair is considered a private mode because the final + The SCOSC/SCORC pair is considered a private mode because the final characters (s and u ) fall in the range from "`" to "~" (octal 0140 - to octal 0176). Other private control sequences can be constructed + to octal 0176). Other private control sequences can be constructed by using octets 074 to 077 (characters "<", "=", ">", or "?") at the beginning of the parameter string. The XTSAVE and XTRESTORE controls use "?") in this manner. Because the XTSAVE and XTRESTORE controls are private, other - terminals may behave differently. For example, DEC (a contributor - to the early xterm as well as a manufacturer of terminals) used an - incompatible private control in one of its terminals more than five + terminals may behave differently. For example, DEC (a contributor + to the early xterm as well as a manufacturer of terminals) used an + incompatible private control in one of its terminals more than five years later (for the VT420 PCTerm, announced in February 1992). - In that model of the VT420, CSI ? Pm; Pc r selects the PC TERM - emulation mode. When this mode is enabled, the keyboard sends scan - codes rather than characters (analogous to X keyboard events). The - first parameter of this private control enables or disables PC TERM + In that model of the VT420, CSI ? Pm; Pc r selects the PC TERM + emulation mode. When this mode is enabled, the keyboard sends scan + codes rather than characters (analogous to X keyboard events). The + first parameter of this private control enables or disables PC TERM mode, while the second selects a character set. An ambiguity arises if an application omits the second parameter. In that special case, - it cannot be distinguished from XTRESTORE. DEC did not take this + it cannot be distinguished from XTRESTORE. DEC did not take this into account when designing the feature. - If there were potential users, xterm could accommodate this by a - resource setting. In retrospect (thirty years later), there have - been no uses of PC TERM, while the XTRESTORE feature is still in + If there were potential users, xterm could accommodate this by a + resource setting. In retrospect (thirty years later), there have + been no uses of PC TERM, while the XTRESTORE feature is still in use. o The aixterm manual page gives the format of the control sequence for - foreground and background colors 8-15, but does not specify what - those colors are. That is implied by the description's mention of + foreground and background colors 8-15, but does not specify what + those colors are. That is implied by the description's mention of HFT: The aixterm command provides a standard terminal type for @@ -3402,7 +3587,7 @@ o The aixterm manual page gives the format of the control sequence for the -v flag. Unlike xterm, there are no resource names for the 16 colors, leaving - the reader to assume that the mapping is hard-coded. The control - sequences for colors 8-15 are not specified by ECMA-48, but rather - (as done in other instances by xterm) chosen to not conflict with + the reader to assume that the mapping is hard-coded. The control + sequences for colors 8-15 are not specified by ECMA-48, but rather + (as done in other instances by xterm) chosen to not conflict with current or future standards. |