In “INDEPENDENT”, Note that close does *not* kill the process associated with the pipe.

In “INREWIND”, add OPEN INREWIND

In “OPEN Deviceparameters”, add INREWIND, OUTREWIND

In “OUTREWIND”, add OPEN OUTREWIND

In “REWIND”, Update to reflect partial action for FIFO and PIPE

In “CLOSE Deviceparameters Table”, REWIND for FIFO and PIPE

In “INREWIND”, INREWIND for FIFO and PIPE

In “OPEN Deviceparameter Table”, add INREWIND, OUTREWIND and REWIND

In “OUTREWIND”, OUTREWIND for FIFO and PIPE

In “REWIND”, REWIND for FIFO and PIPE

In “REWIND”, REWIND for FIFO and PIPE

In “ USE Deviceparameters Summary”, REWIND for FIFO and PIPE

In “Deviceparameter Summary Table”, Add [NO]HUPENABLE to Deviceparameter Summary Table

In “HUPENABLE”, Expand description of [NO]HUPENABLE to include SOC devices

In “ USE Deviceparameters Summary”, Add [NO]HUPENABLE to USE Deviceparameters Summary table

In “Device Name Variables”, move $ZPIN and $ZPOUT under "Device Name Variables"

In “OPEN Deviceparameters”, New deviceparameter OPTIONS

In “OPTIONS”, add new OPTIONS deviceparameter

In “OPTIONS”, made cosmetic changes to USE :OPTIONS

In “Socket Deviceparameter Summary”, New device parameter OPTIONS

In “USE Deviceparameters”, New deviceparameter OPTIONS

In “WRITE Command”, TLSv1.3 and renegotiation

In “$ZPIN”, Move $ZPIN and $ZPOUT under "Device Name Variables"

In “$ZPOUT”, Move $ZPIN and $ZPOUT under "Device Name Variables"

In “CTRAP”, clean up CTRAP behavior description

In “EDITING”, tweak the effect of CTRAP

In “HUPENABLE”, add TERMHANGUP as setting for NOHUPENABLE

In “Terminal Deviceparameter Summary”, correct the syntax of CTRAP

In “ USE Deviceparameters Summary”, add clarification on CTRAP

In “WRITE Command”, correct WRITE /TLS description

In “Close”, Correct typo in CLOSE dev:SOCKET example; add clarification

In “CLOSE Deviceparameters Table”, GTM-9452 - Add deviceparameter REPLACE to provide the overwrite functionality

In “CLOSE Deviceparameters”, GTM-9452 - Add deviceparameter REPLACE to provide the overwrite functionality

In “DELIMITER”, Add missing "escape" in DELIMITER section

In “DETACH”, change socketpool to YGTMSOCKETPOOL and specify that DETACH should be the only device parameter

In “Deviceparameter Summary Table”, GTM-9452 - Add deviceparameter REPLACE to provide the overwrite functionality

In “FIFO Deviceparameter Summary”, Add deviceparameter (REPLACE on CLOSE) to provide the overwrite functionality.

In “IOERROR”, Correct note under IOERROR

In “RENAME”, clarify

In “REPLACE”, clarify

In “Sequential File Deviceparameter Summary”, GTM-9452 - deviceparameter (REPLACE) to provide the overwrite functionality

In “Socket Deviceparameter Summary”, SOCKET= can also be used by CLOSE

In “WIDTH”, Correct default WIDTH for sockets; also clean up

In “WRITE Command”, add information about WRITE /BLOCK("OFF")

In “HUPENABLE”, fixed typo

In “OPEN Deviceparameters”, Add [NO]FFLF device parameter info and example to OPEN text.

In “READ/WRITE Operations”, Fix the description of what $Y is set to. Add a brief note about [NO]FFLF and gtm_nofflf. Add note about HEREDOCs and minor edit to SD encryption

In “USE Deviceparameters”, Add [NO]FFLF deviceparameter to USE; add the [NO]HUPENABLE deviceparameter

In “Write”, Remove fflf information already discussed in other places.

In “CTRAP”, specify that GT.M interrupts process execution when a READ from a device receives a trap character. Add sentence about <CTRL> characters not reaching GT.M

In “Socket Device Examples”, correct the description of start^server.

In “Using Socket Devices”, add YGTMSOCKETPOOL description

In “PIPE Deviceparameter Summary”, formatting adjustment to the table header

In “FILTER”, UTF-8 mode tweaks.

In “FIXED”, minor corrections.

In “Line Terminators ”, UTF-8 mode tweaks.

In “READ”, UTF-8 mode tweaks.

In “READ * Command”, UTF-8 mode tweaks.

In “RECORDSIZE”, UTF-8 mode tweaks.

In “TERMINATOR”, UTF-8 mode tweaks.

In “WIDTH”, UTF-8 mode tweaks.

In “Write”, UTF-8 mode tweaks.

In “Write”, replicate UTF-8 bullets from the command section, add information about concatenation, remove some VMS-specific text

In “IOERROR”, change strexpr to expr; add more information about $DEVICE.

In “WRITE Command”, Updated the WRITE /LISTEN entry to reflect the removal of GT.M's listen queue size limitation.

In “Message Management”, remove extra space

In “PIPE Device Examples ”, move an example to the correct location and fix a typing error in the nestin example.

In “Socket Device Examples”, make the downloadable socket example self-explanatory and a bug fix.

In “Socket Deviceparameter Summary”, add a Socket Management Deviceparameter summary table

In “STDERR”, add information about PIPE device behavior when there is no STDERR specified.

In “$Device ”, generalize the text and examples

In “ATTACH”, changed I[O]CHSET to [I|O]CHSET as the alternatives for the character set device parameter are CHSET, ICHSET and OCHSET so the corresponding text representation is [I|O]CHSET.

In “CENABLE”, add CHSET to USE deviceparameter list

In “CLOSE Deviceparameters Table”, removed the entry for the deprecated ERASETAPE and SPACE deviceparameters.

In “DETACH”, changed I[O]CHSET to [I|O]CHSET as the alternatives for the character set device parameter are chset, ichset and ochset so the corresponding text representation is [i|o]chset.

In “ICHSET”, specified that ICHSET can also be used as a USE deviceparameter.

In “INSERT”, added the description of the INSERT deviceparameter for terminal devices.

In “IOERROR”, added information about when error trapping gets enabled.

In “OCHSET”, specified that OCHSET can also be used as a USE deviceparameter.

In “OPEN Deviceparameter Table”, arranged the deviceparameters entries alphabetically.

In “READ/WRITE Operations”, added a point on SD WRITE behavior after setting $X to a value greater than WIDTH or reducing WIDTH to less than $X.

In “Socket Deviceparameter Summary”, removed CONNECT and LISTEN from Socket Establishment/Disconnect Deviceparameters.

In “Terminal Deviceparameter Summary”, added deviceparameter entries for [NO]EDITING, [NO]EMPTERM, and [NO]INSERT.

In “ USE Deviceparameters Summary”, corrected the alphabetically ordering, removed the deprecated deviceparameters, and added and entry for [I|O]CHSET.

In “Using PIPE Devices”, pipe device stderr handling

In “Using Socket Devices”, added updates for TLS sockets.

In “WRITE Command”, removed references to HP-UX and Solaris

In “ZIBFSIZE”, corrected the description.

In “Socket Device Examples”, specified that the ZSHOW "D" command reports available information on both the local and remote sides of a TCP socket and enhanced the downloadable example to include more debugging information.

Updated “WRITE Command” for WRITE /PASS, WRITE /ACCEPT, and WRITE /TLS.

In “OPEN Deviceparameters” and “USE Deviceparameters”, added “IKEY”,“KEY”, “OKEY” keywords.

In “REWIND”, specified that when $PRINCIPAL identifies a device that supports REWIND, the REWIND or INREWIND device parameters perform a REWIND of the input and OUTREWIND performs a REWIND of the output.

In “DESTROY”, added the behavior of a sequential disk device CLOSEd with the NODESTROY.

In “READ/WRITE Operations”, specified that WRITE works at the current file position, whether attained with APPEND, REWIND or SEEK.

In “TRUNCATE”, specified that the TRUNCATE device parameter on a USE $PRINCIPAL command works on a stdout device when the device supports the action.

In “DESTROY”, moved the reference to the behavior of sequential disk devices CLOSEd with NODESTROY to “Open”.

Added information about using LOCAL sockets in “ZDELAY”, “ZBFSIZE”, “LISTEN”, “Close”, “CONNECT”.

Improved the documentation of SOCKET devices in “WRITE Command”.

Added the downloadable sockexamplemulti3.m example in “Socket Device Examples”.

In “Document Conventions”, added the mnemonics for SOC(LOCAL) and SOC(TCP) for LOCAL and TCP sockets.

In FIFO Characteristics, added a note about FIFO access permissions.

Added the descriptions of [NO]FOLLOW and [NO]EMPT[ERM] deviceparameters of OPEN and USE.

Improved the descriptions of “STREAM” and “FIXED”.

In “CONNECT”, added information about IPv6 support.

In “Writing Binary Files”, improved the example for performing a binary copy.

Under Using Sequential Files, added a new section called “READ/WRITE Operations”.

Improved the descriptions of “WRAP” and “FIXED”.

In “PIPE Characteristics”, improved the description of WRITE /EOF.

In “Using Null Devices”, added information about /dev/zero, /dev/random, and /dev/urandom devices.