1239 lines
50 KiB
Plaintext
1239 lines
50 KiB
Plaintext
This document details the changes between this version, readline-6.2,
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and the previous version, readline-6.1.
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1. Changes to Readline
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a. Fixed a bug that caused the unconverted filename to be added to the list of
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completions when the application specified filename conversion functions.
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b. Fixed a bug that caused the wrong filename to be passed to opendir when the
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application has specified a filename dequoting function.
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c. Fixed a bug when repeating a character search in vi mode in the case where
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there was no search to repeat.
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d. When show-all-if-ambiguous is set, the completion routines no longer insert
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a common match prefix that is shorter than the text being completed.
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e. The full set of vi editing commands may now be used in callback mode.
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f. Fixed a bug that caused readline to not update its idea of the terminal
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dimensions while running in `no-echo' mode.
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h. Fixed a bug that caused readline to dump core if an application called
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rl_prep_terminal without setting rl_instream.
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i. Fixed a bug that caused meta-prefixed characters bound to incremental
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search forward or backward to not be recognized if they were typed
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subsequently.
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j. The incremental search code treats key sequences that map to the same
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functions as (default) ^G, ^W, and ^Y as equivalent to those characters.
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k. Fixed a bug in menu-complete that caused it to misbehave with large
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negative argument.
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l. Fixed a bug that caused vi-mode yank-last-arg to ring the bell when invoked
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at the end of the line.
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m. Fixed a bug that made an explicit argument of 0 to yank-last-arg behave
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as if it were a negative argument.
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n. Fixed a bug that caused directory names in words to be completed to not
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be dequoted correctly.
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2. New Features in Readline
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a. The history library does not try to write the history filename in the
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current directory if $HOME is unset. This closes a potential security
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problem if the application does not specify a history filename.
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b. New bindable variable `completion-display-width' to set the number of
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columns used when displaying completions.
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c. New bindable variable `completion-case-map' to cause case-insensitive
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completion to treat `-' and `_' as identical.
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d. There are new bindable vi-mode command names to avoid readline's case-
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insensitive matching not allowing them to be bound separately.
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e. New bindable variable `menu-complete-display-prefix' causes the menu
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completion code to display the common prefix of the possible completions
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before cycling through the list, instead of after.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-6.1,
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and the previous version, readline-6.0.
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1. Changes to Readline
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a. The SIGWINCH signal handler now avoids calling the redisplay code if
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one arrives while in the middle of redisplay.
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b. Changes to the timeout code to make sure that timeout values greater
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than one second are handled better.
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c. Fixed a bug in the redisplay code that was triggered by a prompt
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containing invisible characters exactly the width of the screen.
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d. Fixed a bug in the redisplay code encountered when running in horizontal
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scroll mode.
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e. Fixed a bug that prevented menu completion from properly completing
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filenames.
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f. Fixed a redisplay bug caused by a multibyte character causing a line to
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wrap.
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g. Fixed a bug that caused key sequences of two characters to not be
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recognized when a longer sequence identical in the first two characters
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was bound.
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h. Fixed a bug that caused history expansion to be attempted on $'...'
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single-quoted strings.
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i. Fixed a bug that caused incorrect redisplay when the prompt contained
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multibyte characters in an `invisible' sequence bracketed by \[ and
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\].
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j. Fixed a bug that caused history expansion to short-circuit after
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encountering a multibyte character.
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k. Fixed a bug that caused applications using the callback interface to not
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react to SIGINT (or other signals) until another character arrived.
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2. New Features in Readline
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a. New bindable function: menu-complete-backward.
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b. In the vi insertion keymap, C-n is now bound to menu-complete by default,
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and C-p to menu-complete-backward.
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c. When in vi command mode, repeatedly hitting ESC now does nothing, even
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when ESC introduces a bound key sequence. This is closer to how
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historical vi behaves.
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d. New bindable function: skip-csi-sequence. Can be used as a default to
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consume key sequences generated by keys like Home and End without having
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to bind all keys.
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e. New application-settable function: rl_filename_rewrite_hook. Can be used
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to rewite or modify filenames read from the file system before they are
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compared to the word to be completed.
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f. New bindable variable: skip-completed-text, active when completing in the
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middle of a word. If enabled, it means that characters in the completion
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that match characters in the remainder of the word are "skipped" rather
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than inserted into the line.
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g. The pre-readline-6.0 version of menu completion is available as
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"old-menu-complete" for users who do not like the readline-6.0 version.
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h. New bindable variable: echo-control-characters. If enabled, and the
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tty ECHOCTL bit is set, controls the echoing of characters corresponding
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to keyboard-generated signals.
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i. New bindable variable: enable-meta-key. Controls whether or not readline
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sends the smm/rmm sequences if the terminal indicates it has a meta key
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that enables eight-bit characters.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-6.0,
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and the previous version, readline-5.2.
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1. Changes to Readline
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a. Fixed a number of redisplay errors in environments supporting multibyte
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characters.
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b. Fixed bugs in vi command mode that caused motion commands to inappropriately
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set the mark.
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c. When using the arrow keys in vi insertion mode, readline allows movement
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beyond the current end of the line (unlike command mode).
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d. Fixed bugs that caused readline to loop when the terminal has been taken
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away and reads return -1/EIO.
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e. Fixed bugs in redisplay occurring when displaying prompts containing
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invisible characters.
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f. Fixed a bug that caused the completion append character to not be reset to
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the default after an application-specified completion function changed it.
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g. Fixed a problem that caused incorrect positioning of the cursor while in
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emacs editing mode when moving forward at the end of a line while using
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a locale supporting multibyte characters.
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h. Fixed an off-by-one error that caused readline to drop every 511th
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character of buffered input.
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i. Fixed a bug that resulted in SIGTERM not being caught or cleaned up.
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j. Fixed redisplay bugs caused by multiline prompts with invisible characters
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or no characters following the final newline.
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k. Fixed redisplay bug caused by prompts consisting solely of invisible
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characters.
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l. Fixed a bug in the code that buffers characters received very quickly in
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succession which caused characters to be dropped.
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m. Fixed a bug that caused readline to reference uninitialized data structures
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if it received a SIGWINCH before completing initialzation.
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n. Fixed a bug that caused the vi-mode `last command' to be set incorrectly
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and therefore unrepeatable.
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o. Fixed a bug that caused readline to disable echoing when it was being used
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with an output file descriptor that was not a terminal.
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p. Readline now blocks SIGINT while manipulating internal data structures
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during redisplay.
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q. Fixed a bug in redisplay that caused readline to segfault when pasting a
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very long line (over 130,000 characters).
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r. Fixed bugs in redisplay when using prompts with no visible printing
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characters.
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s. Fixed a bug that caused redisplay errors when using prompts with invisible
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characters and numeric arguments to a command in a multibyte locale.
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t. Fixed a bug that caused redisplay errors when using prompts with invisible
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characters spanning more than two physical screen lines.
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2. New Features in Readline
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a. A new variable, rl_sort_completion_matches; allows applications to inhibit
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match list sorting (but beware: some things don't work right if
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applications do this).
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b. A new variable, rl_completion_invoking_key; allows applications to discover
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the key that invoked rl_complete or rl_menu_complete.
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c. The functions rl_block_sigint and rl_release_sigint are now public and
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available to calling applications who want to protect critical sections
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(like redisplay).
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d. The functions rl_save_state and rl_restore_state are now public and
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available to calling applications; documented rest of readline's state
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flag values.
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e. A new user-settable variable, `history-size', allows setting the maximum
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number of entries in the history list.
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f. There is a new implementation of menu completion, with several improvements
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over the old; the most notable improvement is a better `completions
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browsing' mode.
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g. The menu completion code now uses the rl_menu_completion_entry_function
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variable, allowing applications to provide their own menu completion
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generators.
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h. There is support for replacing a prefix of a pathname with a `...' when
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displaying possible completions. This is controllable by setting the
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`completion-prefix-display-length' variable. Matches with a common prefix
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longer than this value have the common prefix replaced with `...'.
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i. There is a new `revert-all-at-newline' variable. If enabled, readline will
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undo all outstanding changes to all history lines when `accept-line' is
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executed.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-5.2,
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and the previous version, readline-5.1.
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1. Changes to Readline
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a. Fixed a problem that caused segmentation faults when using readline in
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callback mode and typing consecutive DEL characters on an empty line.
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b. Fixed several redisplay problems with multibyte characters, all having to
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do with the different code paths and variable meanings between single-byte
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and multibyte character redisplay.
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c. Fixed a problem with key sequence translation when presented with the
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sequence \M-\C-x.
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d. Fixed a problem that prevented the `a' command in vi mode from being
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undone and redone properly.
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e. Fixed a problem that prevented empty inserts in vi mode from being undone
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properly.
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f. Fixed a problem that caused readline to initialize with an incorrect idea
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of whether or not the terminal can autowrap.
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g. Fixed output of key bindings (like bash `bind -p') to honor the setting of
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convert-meta and use \e where appropriate.
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h. Changed the default filename completion function to call the filename
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dequoting function if the directory completion hook isn't set. This means
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that any directory completion hooks need to dequote the directory name,
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since application-specific hooks need to know how the word was quoted,
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even if no other changes are made.
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i. Fixed a bug with creating the prompt for a non-interactive search string
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when there are non-printing characters in the primary prompt.
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j. Fixed a bug that caused prompts with invisible characters to be redrawn
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multiple times in a multibyte locale.
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k. Fixed a bug that could cause the key sequence scanning code to return the
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wrong function.
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l. Fixed a problem with the callback interface that caused it to fail when
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using multi-character keyboard macros.
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m. Fixed a bug that could cause a core dump when an edited history entry was
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re-executed under certain conditions.
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n. Fixed a bug that caused readline to reference freed memory when attmpting
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to display a portion of the prompt.
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o. Fixed a bug with prompt redisplay in a multi-byte locale to avoid redrawing
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the prompt and input line multiple times.
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p. Fixed history expansion to not be confused by here-string redirection.
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q. Readline no longer treats read errors by converting them to newlines, as
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it does with EOF. This caused partial lines to be returned from readline().
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r. Fixed a redisplay bug that occurred in multibyte-capable locales when the
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prompt was one character longer than the screen width.
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2. New Features in Readline
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a. Calling applications can now set the keyboard timeout to 0, allowing
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poll-like behavior.
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b. The value of SYS_INPUTRC (configurable at compilation time) is now used as
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the default last-ditch startup file.
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c. The history file reading functions now allow windows-like \r\n line
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terminators.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-5.1,
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and the previous version, readline-5.0.
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1. Changes to Readline
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a. Fixed a bug that caused multiliine prompts to be wrapped and displayed
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incorrectly.
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b. Fixed a bug that caused ^P/^N in emacs mode to fail to display the current
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line correctly.
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c. Fixed a problem in computing the number of invisible characters on the first
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line of a prompt whose length exceeds the screen width.
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d. Fixed vi-mode searching so that failure preserves the current line rather
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than the last line in the history list.
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e. Fixed the vi-mode `~' command (change-case) to have the correct behavior at
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end-of-line when manipulating multibyte characters.
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f. Fixed the vi-mode `r' command (change-char) to have the correct behavior at
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end-of-line when manipulating multibyte characters.
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g. Fixed multiple bugs in the redisplay of multibyte characters: displaying
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prompts longer than the screen width containing multibyte characters,
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h. Fix the calculation of the number of physical characters in the prompt
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string when it contains multibyte characters.
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i. A non-zero value for the `rl_complete_suppress_append' variable now causes
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no `/' to be appended to a directory name.
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j. Fixed forward-word and backward-word to work when words contained
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multibyte characters.
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k. Fixed a bug in finding the delimiter of a `?' substring when performing
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history expansion in a locale that supports multibyte characters.
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l. Fixed a memory leak caused by not freeing the timestamp in a history entry.
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m. Fixed a bug that caused "\M-x" style key bindings to not obey the setting
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of the `convert-meta' variable.
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n. Fixed saving and restoring primary prompt when prompting for incremental
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and non-incremental searches; search prompts now display multibyte
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characters correctly.
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o. Fixed a bug that caused keys originally bound to self-insert but shadowed
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by a multi-character key sequence to not be inserted.
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p. Fixed code so rl_prep_term_function and rl_deprep_term_function aren't
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dereferenced if NULL (matching the documentation).
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q. Extensive changes to readline to add enough state so that commands
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requiring additional characters (searches, multi-key sequences, numeric
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arguments, commands requiring an additional specifier character like
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vi-mode change-char, etc.) work without synchronously waiting for
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additional input.
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r. Lots of changes so readline builds and runs on MinGW.
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s. Readline no longer tries to modify the terminal settings when running in
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callback mode.
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t. The Readline display code no longer sets the location of the last invisible
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character in the prompt if the \[\] sequence is empty.
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u. The `change-case' command now correctly changes the case of multibyte
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characters.
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v. Changes to the shared library construction scripts to deal with Windows
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DLL naming conventions for Cygwin.
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w. Fixed the redisplay code to avoid core dumps resulting from a poorly-timed
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SIGWINCH.
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x. Fixed the non-incremental search code in vi mode to dispose of any current
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undo list when copying a line from the history into the current editing
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buffer.
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y. Fixed a bug that caused reversing the incremental search direction to
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not work correctly.
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z. Fixed the vi-mode `U' command to only undo up to the first time insert mode
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was entered, as Posix specifies.
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aa. Fixed a bug in the vi-mode `r' command that left the cursor in the wrong
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place.
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bb. Fixed a redisplay bug caused by moving the cursor vertically to a line
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with invisible characters in the prompt in a multibyte locale.
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cc. Fixed a bug that could cause the terminal special chars to be bound in the
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wrong keymap in vi mode.
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2. New Features in Readline
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a. The key sequence sent by the keypad `delete' key is now automatically
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bound to delete-char.
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b. A negative argument to menu-complete now cycles backward through the
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completion list.
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c. A new bindable readline variable: bind-tty-special-chars. If non-zero,
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readline will bind the terminal special characters to their readline
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equivalents when it's called (on by default).
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d. New bindable command: vi-rubout. Saves deleted text for possible
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reinsertion, as with any vi-mode `text modification' command; `X' is bound
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to this in vi command mode.
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e. If the rl_completion_query_items is set to a value < 0, readline never
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asks the user whether or not to view the possible completions.
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f. The `C-w' binding in incremental search now understands multibyte
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characters.
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g. New application-callable auxiliary function, rl_variable_value, returns
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a string corresponding to a readline variable's value.
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h. When parsing inputrc files and variable binding commands, the parser
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strips trailing whitespace from values assigned to boolean variables
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before checking them.
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i. A new external application-controllable variable that allows the LINES
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and COLUMNS environment variables to set the window size regardless of
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what the kernel returns.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-5.0,
|
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and the previous version, readline-4.3.
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1. Changes to Readline
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a. Fixes to avoid core dumps because of null pointer references in the
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multibyte character code.
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b. Fix to avoid infinite recursion caused by certain key combinations.
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c. Fixed a bug that caused the vi-mode `last command' to be set incorrectly.
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d. Readline no longer tries to read ahead more than one line of input, even
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when more is available.
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e. Fixed the code that adjusts the point to not mishandle null wide
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characters.
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f. Fixed a bug in the history expansion `g' modifier that caused it to skip
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every other match.
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g. Fixed a bug that caused the prompt to overwrite previous output when the
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output doesn't contain a newline and the locale supports multibyte
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characters. This same change fixes the problem of readline redisplay
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slowing down dramatically as the line gets longer in multibyte locales.
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h. History traversal with arrow keys in vi insertion mode causes the cursor
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to be placed at the end of the new line, like in emacs mode.
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i. The locale initialization code does a better job of using the right
|
|
precedence and defaulting when checking the appropriate environment
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variables.
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j. Fixed the history word tokenizer to handle <( and >( better when used as
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part of bash.
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k. The overwrite mode code received several bug fixes to improve undo.
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l. Many speedups to the multibyte character redisplay code.
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m. The callback character reading interface should not hang waiting to read
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keyboard input.
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n. Fixed a bug with redoing vi-mode `s' command.
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o. The code that initializes the terminal tracks changes made to the terminal
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special characters with stty(1) (or equivalent), so that these changes
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are reflected in the readline bindings. New application-callable function
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to make it work: rl_tty_unset_default_bindings().
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p. Fixed a bug that could cause garbage to be inserted in the buffer when
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changing character case in vi mode when using a multibyte locale.
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q. Fixed a bug in the redisplay code that caused problems on systems
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supporting multibyte characters when moving between history lines when the
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new line has more glyphs but fewer bytes.
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r. Undo and redo now work better after exiting vi insertion mode.
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s. Make sure system calls are restarted after a SIGWINCH is received using
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SA_RESTART.
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t. Improvements to the code that displays possible completions when using
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multibyte characters.
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|
|
u. Fixed a problem when parsing nested if statements in inputrc files.
|
|
|
|
v. The completer now takes multibyte characters into account when looking for
|
|
quoted substrings on which to perform completion.
|
|
|
|
w. The history search functions now perform better bounds checking on the
|
|
history list.
|
|
|
|
x. Change to history expansion functions to treat `^' as equivalent to word
|
|
one, as the documention states.
|
|
|
|
y. Some changes to the display code to improve display and redisplay of
|
|
multibyte characters.
|
|
|
|
z. Changes to speed up the multibyte character redisplay code.
|
|
|
|
aa. Fixed a bug in the vi-mode `E' command that caused it to skip over the
|
|
last character of a word if invoked while point was on the word's
|
|
next-to-last character.
|
|
|
|
bb. Fixed a bug that could cause incorrect filename quoting when
|
|
case-insensitive completion was enabled and the word being completed
|
|
contained backslashes quoting word break characters.
|
|
|
|
cc. Fixed a bug in redisplay triggered when the prompt string contains
|
|
invisible characters.
|
|
|
|
dd. Fixed some display (and other) bugs encountered in multibyte locales
|
|
when a non-ascii character was the last character on a line.
|
|
|
|
ee. Fixed some display bugs caused by multibyte characters in prompt strings.
|
|
|
|
ff. Fixed a problem with history expansion caused by non-whitespace characters
|
|
used as history word delimiters.
|
|
|
|
gg. Fixed a problem that could cause readline to refer to freed memory when
|
|
moving between history lines while doing searches.
|
|
|
|
hh. Improvements to the code that expands and displays prompt strings
|
|
containing multibyte characters.
|
|
|
|
ii. Fixed a problem with vi-mode not correctly remembering the numeric argument
|
|
to the last `c'hange command for later use with `.'.
|
|
|
|
jj. Fixed a bug in vi-mode that caused multi-digit count arguments to work
|
|
incorrectly.
|
|
|
|
kk. Fixed a problem in vi-mode that caused the last text modification command
|
|
to not be remembered across different command lines.
|
|
|
|
ll. Fixed problems with changing characters and changing case at the end of
|
|
the line.
|
|
|
|
mm. Fixed a problem with readline saving the contents of the current line
|
|
before beginning a non-interactive search.
|
|
|
|
nn. Fixed a problem with EOF detection when using rl_event_hook.
|
|
|
|
oo. Fixed a problem with the vi mode `p' and `P' commands ignoring numeric
|
|
arguments.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. History expansion has a new `a' modifier equivalent to the `g' modifier
|
|
for compatibility with the BSD csh.
|
|
|
|
b. History expansion has a new `G' modifier equivalent to the BSD csh `g'
|
|
modifier, which performs a substitution once per word.
|
|
|
|
c. All non-incremental search operations may now undo the operation of
|
|
replacing the current line with the history line.
|
|
|
|
d. The text inserted by an `a' command in vi mode can be reinserted with
|
|
`.'.
|
|
|
|
e. New bindable variable, `show-all-if-unmodified'. If set, the readline
|
|
completer will list possible completions immediately if there is more
|
|
than one completion and partial completion cannot be performed.
|
|
|
|
f. There is a new application-callable `free_history_entry()' function.
|
|
|
|
g. History list entries now contain timestamp information; the history file
|
|
functions know how to read and write timestamp information associated
|
|
with each entry.
|
|
|
|
h. Four new key binding functions have been added:
|
|
|
|
rl_bind_key_if_unbound()
|
|
rl_bind_key_if_unbound_in_map()
|
|
rl_bind_keyseq_if_unbound()
|
|
rl_bind_keyseq_if_unbound_in_map()
|
|
|
|
i. New application variable, rl_completion_quote_character, set to any
|
|
quote character readline finds before it calls the application completion
|
|
function.
|
|
|
|
j. New application variable, rl_completion_suppress_quote, settable by an
|
|
application completion function. If set to non-zero, readline does not
|
|
attempt to append a closing quote to a completed word.
|
|
|
|
k. New application variable, rl_completion_found_quote, set to a non-zero
|
|
value if readline determines that the word to be completed is quoted.
|
|
Set before readline calls any application completion function.
|
|
|
|
l. New function hook, rl_completion_word_break_hook, called when readline
|
|
needs to break a line into words when completion is attempted. Allows
|
|
the word break characters to vary based on position in the line.
|
|
|
|
m. New bindable command: unix-filename-rubout. Does the same thing as
|
|
unix-word-rubout, but adds `/' to the set of word delimiters.
|
|
|
|
n. When listing completions, directories have a `/' appended if the
|
|
`mark-directories' option has been enabled.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.3,
|
|
and the previous version, readline-4.2a.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Fixed output of comment-begin character when listing variable values.
|
|
|
|
b. Added some default key bindings for common escape sequences produced by
|
|
HOME and END keys.
|
|
|
|
c. Fixed the mark handling code to be more emacs-compatible.
|
|
|
|
d. A bug was fixed in the code that prints possible completions to keep it
|
|
from printing empty strings in certain circumstances.
|
|
|
|
e. Change the key sequence printing code to print ESC as M\- if ESC is a
|
|
meta-prefix character -- it's easier for users to understand than \e.
|
|
|
|
f. Fixed unstifle_history() to return values that match the documentation.
|
|
|
|
g. Fixed the event loop (rl_event_hook) to handle the case where the input
|
|
file descriptor is invalidated.
|
|
|
|
h. Fixed the prompt display code to work better when the application has a
|
|
custom redisplay function.
|
|
|
|
i. Changes to make reading and writing the history file a little faster, and
|
|
to cope with huge history files without calling abort(3) from xmalloc.
|
|
|
|
j. The vi-mode `S' and `s' commands are now undone correctly.
|
|
|
|
k. Fixed a problem which caused the display to be messed up when the last
|
|
line of a multi-line prompt (possibly containing invisible characters)
|
|
was longer than the screen width.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. Support for key `subsequences': allows, e.g., ESC and ESC-a to both
|
|
be bound to readline functions. Now the arrow keys may be used in vi
|
|
insert mode.
|
|
|
|
b. When listing completions, and the number of lines displayed is more than
|
|
the screen length, readline uses an internal pager to display the results.
|
|
This is controlled by the `page-completions' variable (default on).
|
|
|
|
c. New code to handle editing and displaying multibyte characters.
|
|
|
|
d. The behavior introduced in bash-2.05a of deciding whether or not to
|
|
append a slash to a completed name that is a symlink to a directory has
|
|
been made optional, controlled by the `mark-symlinked-directories'
|
|
variable (default is the 2.05a behavior).
|
|
|
|
e. The `insert-comment' command now acts as a toggle if given a numeric
|
|
argument: if the first characters on the line don't specify a
|
|
comment, insert one; if they do, delete the comment text
|
|
|
|
f. New application-settable completion variable:
|
|
rl_completion_mark_symlink_dirs, allows an application's completion
|
|
function to temporarily override the user's preference for appending
|
|
slashes to names which are symlinks to directories.
|
|
|
|
g. New function available to application completion functions:
|
|
rl_completion_mode, to tell how the completion function was invoked
|
|
and decide which argument to supply to rl_complete_internal (to list
|
|
completions, etc.).
|
|
|
|
h. Readline now has an overwrite mode, toggled by the `overwrite-mode'
|
|
bindable command, which could be bound to `Insert'.
|
|
|
|
i. New application-settable completion variable:
|
|
rl_completion_suppress_append, inhibits appending of
|
|
rl_completion_append_character to completed words.
|
|
|
|
j. New key bindings when reading an incremental search string: ^W yanks
|
|
the currently-matched word out of the current line into the search
|
|
string; ^Y yanks the rest of the current line into the search string,
|
|
DEL or ^H deletes characters from the search string.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.2a,
|
|
and the previous version, readline-4.2.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. More `const' and type casting fixes.
|
|
|
|
b. Changed rl_message() to use vsnprintf(3) (if available) to fix buffer
|
|
overflow problems.
|
|
|
|
c. The completion code no longer appends a `/' or ` ' to a match when
|
|
completing a symbolic link that resolves to a directory name, unless
|
|
the match does not add anything to the word being completed. This
|
|
means that a tab will complete the word up to the full name, but not
|
|
add anything, and a subsequent tab will add a slash.
|
|
|
|
d. Fixed a trivial typo that made the vi-mode `dT' command not work.
|
|
|
|
e. Fixed the tty code so that ^S and ^Q can be inserted with rl_quoted_insert.
|
|
|
|
f. Fixed the tty code so that ^V works more than once.
|
|
|
|
g. Changed the use of __P((...)) for function prototypes to PARAMS((...))
|
|
because the use of __P in typedefs conflicted g++ and glibc.
|
|
|
|
h. The completion code now attempts to do a better job of preserving the
|
|
case of the word the user typed if ignoring case in completions.
|
|
|
|
i. Readline defaults to not echoing the input and lets the terminal
|
|
initialization code enable echoing if there is a controlling terminal.
|
|
|
|
j. The key binding code now processes only two hex digits after a `\x'
|
|
escape sequence, and the documentation was changed to note that the
|
|
octal and hex escape sequences result in an eight-bit value rather
|
|
than strict ASCII.
|
|
|
|
k. Fixed a few places where negative array subscripts could have occurred.
|
|
|
|
l. Fixed the vi-mode code to use a better method to determine the bounds of
|
|
the array used to hold the marks, and to avoid out-of-bounds references.
|
|
|
|
m. Fixed the defines in chardefs.h to work better when chars are signed.
|
|
|
|
n. Fixed configure.in to use the new names for bash autoconf macros.
|
|
|
|
o. Readline no longer attempts to define its own versions of some ctype
|
|
macros if they are implemented as functions in libc but not as macros in
|
|
<ctype.h>.
|
|
|
|
p. Fixed a problem where rl_backward could possibly set point to before
|
|
the beginning of the line.
|
|
|
|
q. Fixed Makefile to not put -I/usr/include into CFLAGS, since it can cause
|
|
include file problems.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. Added extern declaration for rl_get_termcap to readline.h, making it a
|
|
public function (it was always there, just not in readline.h).
|
|
|
|
b. New #defines in readline.h: RL_READLINE_VERSION, currently 0x0402,
|
|
RL_VERSION_MAJOR, currently 4, and RL_VERSION_MINOR, currently 2.
|
|
|
|
c. New readline variable: rl_readline_version, mirrors RL_READLINE_VERSION.
|
|
|
|
d. New bindable boolean readline variable: match-hidden-files. Controls
|
|
completion of files beginning with a `.' (on Unix). Enabled by default.
|
|
|
|
e. The history expansion code now allows any character to terminate a
|
|
`:first-' modifier, like csh.
|
|
|
|
f. The incremental search code remembers the last search string and uses
|
|
it if ^R^R is typed without a search string.
|
|
|
|
h. New bindable variable `history-preserve-point'. If set, the history
|
|
code attempts to place the user at the same location on each history
|
|
line retrived with previous-history or next-history.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.2,
|
|
and the previous version, readline-4.1.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. When setting the terminal attributes on systems using `struct termio',
|
|
readline waits for output to drain before changing the attributes.
|
|
|
|
b. A fix was made to the history word tokenization code to avoid attempts to
|
|
dereference a null pointer.
|
|
|
|
c. Readline now defaults rl_terminal_name to $TERM if the calling application
|
|
has left it unset, and tries to initialize with the resultant value.
|
|
|
|
d. Instead of calling (*rl_getc_function)() directly to get input in certain
|
|
places, readline now calls rl_read_key() consistently.
|
|
|
|
e. Fixed a bug in the completion code that allowed a backslash to quote a
|
|
single quote inside a single-quoted string.
|
|
|
|
f. rl_prompt is no longer assigned directly from the argument to readline(),
|
|
but uses memory allocated by readline. This allows constant strings to
|
|
be passed to readline without problems arising when the prompt processing
|
|
code wants to modify the string.
|
|
|
|
g. Fixed a bug that caused non-interactive history searches to return the
|
|
wrong line when performing multiple searches backward for the same string.
|
|
|
|
h. Many variables, function arguments, and function return values are now
|
|
declared `const' where appropriate, to improve behavior when linking with
|
|
C++ code.
|
|
|
|
i. The control character detection code now works better on systems where
|
|
`char' is unsigned by default.
|
|
|
|
j. The vi-mode numeric argument is now capped at 999999, just like emacs mode.
|
|
|
|
k. The Function, CPFunction, CPPFunction, and VFunction typedefs have been
|
|
replaced with a set of specific prototyped typedefs, though they are
|
|
still in the readline header files for backwards compatibility.
|
|
|
|
m. Nearly all of the (undocumented) internal global variables in the library
|
|
now have an _rl_ prefix -- there were a number that did not, like
|
|
screenheight, screenwidth, alphabetic, etc.
|
|
|
|
n. The ding() convenience function has been renamed to rl_ding(), though the
|
|
old function is still defined for backwards compatibility.
|
|
|
|
o. The completion convenience functions filename_completion_function,
|
|
username_completion_function, and completion_matches now have an rl_
|
|
prefix, though the old names are still defined for backwards compatibility.
|
|
|
|
p. The functions shared by readline and bash (linkage is satisfied from bash
|
|
when compiling with bash, and internally otherwise) now have an sh_ prefix.
|
|
|
|
q. Changed the shared library creation procedure on Linux and BSD/OS 4.x so
|
|
that the `soname' contains only the major version number rather than the
|
|
major and minor numbers.
|
|
|
|
r. Fixed a redisplay bug that occurred when the prompt spanned more than one
|
|
physical line and contained invisible characters.
|
|
|
|
s. Added a missing `includedir' variable to the Makefile.
|
|
|
|
t. When installing the shared libraries, make sure symbolic links are relative.
|
|
|
|
u. Added configure test so that it can set `${MAKE}' appropriately.
|
|
|
|
v. Fixed a bug in rl_forward that could cause the point to be set to before
|
|
the beginning of the line in vi mode.
|
|
|
|
w. Fixed a bug in the callback read-char interface to make it work when a
|
|
readline function pushes some input onto the input stream with
|
|
rl_execute_next (like the incremental search functions).
|
|
|
|
x. Fixed a file descriptor leak in the history file manipulation code that
|
|
was tripped when attempting to truncate a non-regular file (like
|
|
/dev/null).
|
|
|
|
y. Changes to make all of the exported readline functions declared in
|
|
readline.h have an rl_ prefix (rltty_set_default_bindings is now
|
|
rl_tty_set_default_bindings, crlf is now rl_crlf, etc.)
|
|
|
|
z. The formatted documentation included in the base readline distribution
|
|
is no longer removed on a `make distclean'.
|
|
|
|
aa. Some changes were made to avoid gcc warnings with -Wall.
|
|
|
|
bb. rl_get_keymap_by_name now finds keymaps case-insensitively, so
|
|
`set keymap EMACS' works.
|
|
|
|
cc. The history file writing and truncation functions now return a useful
|
|
status on error.
|
|
|
|
dd. Fixed a bug that could cause applications to dereference a NULL pointer
|
|
if a NULL second argument was passed to history_expand().
|
|
|
|
ee. If a hook function assigned to rl_event_hook sets rl_done to a non-zero
|
|
value, rl_read_key() now immediately returns '\n' (which is assumed to
|
|
be bound to accept-line).
|
|
|
|
2. New Features in Readline
|
|
|
|
a. The blink timeout for paren matching is now settable by applications,
|
|
via the rl_set_paren_blink_timeout() function.
|
|
|
|
b. _rl_executing_macro has been renamed to rl_executing_macro, which means
|
|
it's now part of the public interface.
|
|
|
|
c. Readline has a new variable, rl_readline_state, which is a bitmap that
|
|
encapsulates the current state of the library; intended for use by
|
|
callbacks and hook functions.
|
|
|
|
d. rlfe has a new -l option to log input and output (-a appends to logfile),
|
|
a new -n option to set the readline application name, and -v and -h
|
|
options for version and help information.
|
|
|
|
e. rlfe can now perform filename completion for the inferior process if the
|
|
OS has a /proc/<PID>/cwd that can be read with readlink(2) to get the
|
|
inferior's current working directory.
|
|
|
|
f. A new file, rltypedefs.h, contains the new typedefs for function pointers
|
|
and is installed by `make install'.
|
|
|
|
g. New application-callable function rl_set_prompt(const char *prompt):
|
|
expands its prompt string argument and sets rl_prompt to the result.
|
|
|
|
h. New application-callable function rl_set_screen_size(int rows, int cols):
|
|
public method for applications to set readline's idea of the screen
|
|
dimensions.
|
|
|
|
i. The history example program (examples/histexamp.c) is now built as one
|
|
of the examples.
|
|
|
|
j. The documentation has been updated to cover nearly all of the public
|
|
functions and variables declared in readline.h.
|
|
|
|
k. New function, rl_get_screen_size (int *rows, int *columns), returns
|
|
readline's idea of the screen dimensions.
|
|
|
|
l. The timeout in rl_gather_tyi (readline keyboard input polling function)
|
|
is now settable via a function (rl_set_keyboard_input_timeout()).
|
|
|
|
m. Renamed the max_input_history variable to history_max_entries; the old
|
|
variable is maintained for backwards compatibility.
|
|
|
|
n. The list of characters that separate words for the history tokenizer is
|
|
now settable with a variable: history_word_delimiters. The default
|
|
value is as before.
|
|
|
|
o. There is a new history.3 manual page documenting the history library.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.1,
|
|
and the previous version, readline-4.0.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Changed the HTML documents so that the table-of-contents is no longer
|
|
a separate file.
|
|
|
|
b. Changes to the shared object configuration for: Irix 5.x, Irix 6.x,
|
|
OSF/1.
|
|
|
|
c. The shared library major and minor versions are now constructed
|
|
automatically by configure and substituted into the makefiles.
|
|
|
|
d. It's now possible to install the shared libraries separately from the
|
|
static libraries.
|
|
|
|
e. The history library tries to truncate the history file only if it is a
|
|
regular file.
|
|
|
|
f. A bug that caused _rl_dispatch to address negative array indices on
|
|
systems with signed chars was fixed.
|
|
|
|
g. rl-yank-nth-arg now leaves the history position the same as when it was
|
|
called.
|
|
|
|
h. Changes to the completion code to handle MS-DOS drive-letter:pathname
|
|
filenames.
|
|
|
|
i. Completion is now case-insensitive by default on MS-DOS.
|
|
|
|
j. Fixes to the history file manipulation code for MS-DOS.
|
|
|
|
k. Readline attempts to bind the arrow keys to appropriate defaults on MS-DOS.
|
|
|
|
l. Some fixes were made to the redisplay code for better operation on MS-DOS.
|
|
|
|
m. The quoted-insert code will now insert tty special chars like ^C.
|
|
|
|
n. A bug was fixed that caused the display code to reference memory before
|
|
the start of the prompt string.
|
|
|
|
o. More support for __EMX__ (OS/2).
|
|
|
|
p. A bug was fixed in readline's signal handling that could cause infinite
|
|
recursion in signal handlers.
|
|
|
|
q. A bug was fixed that caused the point to be less than zero when rl_forward
|
|
was given a very large numeric argument.
|
|
|
|
r. The vi-mode code now gets characters via the application-settable value
|
|
of rl_getc_function rather than calling rl_getc directly.
|
|
|
|
s. The history file code now uses O_BINARY mode when reading and writing
|
|
the history file on cygwin32.
|
|
|
|
t. Fixed a bug in the redisplay code for lines with more than 256 line
|
|
breaks.
|
|
|
|
u. A bug was fixed which caused invisible character markers to not be
|
|
stripped from the prompt string if the terminal was in no-echo mode.
|
|
|
|
v. Readline no longer tries to get the variables it needs for redisplay
|
|
from the termcap entry if the calling application has specified its
|
|
own redisplay function. Readline treats the terminal as `dumb' in
|
|
this case.
|
|
|
|
w. Fixes to the SIGWINCH code so that a multiple-line prompt with escape
|
|
sequences is redrawn correctly.
|
|
|
|
x. Changes to the install and install-shared targets so that the libraries
|
|
and header files are installed separately.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. A new Readline `user manual' is in doc/rluserman.texinfo.
|
|
|
|
b. Parentheses matching is now always compiled into readline, and enabled
|
|
or disabled when the value of the `blink-matching-paren' variable is
|
|
changed.
|
|
|
|
c. MS-DOS systems now use ~/_inputrc as the last-ditch inputrc filename.
|
|
|
|
d. MS-DOS systems now use ~/_history as the default history file.
|
|
|
|
e. history-search-{forward,backward} now leave the point at the end of the
|
|
line when the string to search for is empty, like
|
|
{reverse,forward}-search-history.
|
|
|
|
f. history-search-{forward,backward} now leave the last history line found
|
|
in the readline buffer if the second or subsequent search fails.
|
|
|
|
g. New function for use by applications: rl_on_new_line_with_prompt, used
|
|
when an application displays the prompt itself before calling readline().
|
|
|
|
h. New variable for use by applications: rl_already_prompted. An application
|
|
that displays the prompt itself before calling readline() must set this to
|
|
a non-zero value.
|
|
|
|
i. A new variable, rl_gnu_readline_p, always 1. The intent is that an
|
|
application can verify whether or not it is linked with the `real'
|
|
readline library or some substitute.
|
|
|
|
j. Per Bothner's `rlfe' (pronounced `Ralphie') readline front-end program
|
|
is included in the examples subdirectory, though it is not built
|
|
by default.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.0,
|
|
and the previous version, readline-2.2.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. The version number is now 4.0, to match the major and minor version
|
|
numbers on the shared readline and history libraries. Future
|
|
releases will maintain the identical numbering.
|
|
|
|
b. Fixed a typo in the `make install' recipe that copied libreadline.a
|
|
to libhistory.old right after installing it.
|
|
|
|
c. The readline and history info files are now installed out of the source
|
|
directory if they are not found in the build directory.
|
|
|
|
d. The library no longer exports a function named `savestring' -- backwards
|
|
compatibility be damned.
|
|
|
|
e. There is no longer any #ifdef SHELL code in the source files.
|
|
|
|
f. Some changes were made to the key binding code to fix memory leaks and
|
|
better support Win32 systems.
|
|
|
|
g. Fixed a silly typo in the paren matching code -- it's microseconds, not
|
|
milliseconds.
|
|
|
|
h. The readline library should be compilable by C++ compilers.
|
|
|
|
i. The readline.h public header file now includes function prototypes for
|
|
all readline functions, and some changes were made to fix errors in the
|
|
source files uncovered by the use of prototypes.
|
|
|
|
j. The maximum numeric argument is now clamped at 1000000.
|
|
|
|
k. Fixes to rl_yank_last_arg to make it behave better.
|
|
|
|
l. Fixed a bug in the display code that caused core dumps if the prompt
|
|
string length exceeded 1024 characters.
|
|
|
|
m. The menu completion code was fixed to properly insert a single completion
|
|
if there is only one match.
|
|
|
|
n. A bug was fixed that caused the display code to improperly display tabs
|
|
after newlines.
|
|
|
|
o. A fix was made to the completion code in which a typo caused the wrong
|
|
value to be passed to the function that computed the longest common
|
|
prefix of the list of matches.
|
|
|
|
p. The completion code now checks the value of rl_filename_completion_desired,
|
|
which is set by application-supplied completion functions to indicate
|
|
that filename completion is being performed, to decide whether or not to
|
|
call an application-supplied `ignore completions' function.
|
|
|
|
q. Code was added to the history library to catch history substitutions
|
|
using `&' without a previous history substitution or search having been
|
|
performed.
|
|
|
|
|
|
2. New Features in Readline
|
|
|
|
a. There is a new script, support/shobj-conf, to do system-specific shared
|
|
object and library configuration. It generates variables for configure
|
|
to substitute into makefiles. The README file provides a detailed
|
|
explanation of the shared library creation process.
|
|
|
|
b. Shared libraries and objects are now built in the `shlib' subdirectory.
|
|
There is a shlib/Makefile.in to control the build process. `make shared'
|
|
from the top-level directory is still the right way to build shared
|
|
versions of the libraries.
|
|
|
|
c. rlconf.h is now installed, so applications can find out which features
|
|
have been compiled into the installed readline and history libraries.
|
|
|
|
d. rlstdc.h is now an installed header file.
|
|
|
|
e. Many changes to the signal handling:
|
|
o Readline now catches SIGQUIT and cleans up the tty before returning;
|
|
o A new variable, rl_catch_signals, is available to application writers
|
|
to indicate to readline whether or not it should install its own
|
|
signal handlers for SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP,
|
|
SIGTTIN, and SIGTTOU;
|
|
o A new variable, rl_catch_sigwinch, is available to application
|
|
writers to indicate to readline whether or not it should install its
|
|
own signal handler for SIGWINCH, which will chain to the calling
|
|
applications's SIGWINCH handler, if one is installed;
|
|
o There is a new function, rl_free_line_state, for application signal
|
|
handlers to call to free up the state associated with the current
|
|
line after receiving a signal;
|
|
o There is a new function, rl_cleanup_after_signal, to clean up the
|
|
display and terminal state after receiving a signal;
|
|
o There is a new function, rl_reset_after_signal, to reinitialize the
|
|
terminal and display state after an application signal handler
|
|
returns and readline continues
|
|
|
|
f. There is a new function, rl_resize_terminal, to reset readline's idea of
|
|
the screen size after a SIGWINCH.
|
|
|
|
g. New public functions: rl_save_prompt and rl_restore_prompt. These were
|
|
previously private functions with a `_' prefix. These functions are
|
|
used when an application wants to write a message to the `message area'
|
|
with rl_message and have the prompt restored correctly when the message
|
|
is erased.
|
|
|
|
h. New function hook: rl_pre_input_hook, called just before readline starts
|
|
reading input, after initialization.
|
|
|
|
i. New function hook: rl_display_matches_hook, called when readline would
|
|
display the list of completion matches. The new function
|
|
rl_display_match_list is what readline uses internally, and is available
|
|
for use by application functions called via this hook.
|
|
|
|
j. New bindable function, delete-char-or-list, like tcsh.
|
|
|
|
k. A new variable, rl_erase_empty_line, which, if set by an application using
|
|
readline, will cause readline to erase, prompt and all, lines on which the
|
|
only thing typed was a newline.
|
|
|
|
l. There is a new script, support/shlib-install, to install and uninstall
|
|
the shared readline and history libraries.
|
|
|
|
m. A new bindable variable, `isearch-terminators', which is a string
|
|
containing the set of characters that should terminate an incremental
|
|
search without being executed as a command.
|
|
|
|
n. A new bindable function, forward-backward-delete-char.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-2.2,
|
|
and the previous version, readline-2.1.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Added a missing `extern' to a declaration in readline.h that kept
|
|
readline from compiling cleanly on some systems.
|
|
|
|
b. The history file is now opened with mode 0600 when it is written for
|
|
better security.
|
|
|
|
c. Changes were made to the SIGWINCH handling code so that prompt redisplay
|
|
is done better.
|
|
|
|
d. ^G now interrupts incremental searches correctly.
|
|
|
|
e. A bug that caused a core dump when the set of characters to be quoted
|
|
when completing words was empty was fixed.
|
|
|
|
f. Fixed a problem in the readline test program rltest.c that caused a core
|
|
dump.
|
|
|
|
g. The code that handles parser directives in inputrc files now displays
|
|
more error messages.
|
|
|
|
h. The history expansion code was fixed so that the appearance of the
|
|
history comment character at the beginning of a word inhibits history
|
|
expansion for that word and the rest of the input line.
|
|
|
|
i. The code that prints completion listings now behaves better if one or
|
|
more of the filenames contains non-printable characters.
|
|
|
|
j. The time delay when showing matching parentheses is now 0.5 seconds.
|
|
|
|
|
|
2. New Features in Readline
|
|
|
|
a. There is now an option for `iterative' yank-last-arg handline, so a user
|
|
can keep entering `M-.', yanking the last argument of successive history
|
|
lines.
|
|
|
|
b. New variable, `print-completions-horizontally', which causes completion
|
|
matches to be displayed across the screen (like `ls -x') rather than up
|
|
and down the screen (like `ls').
|
|
|
|
c. New variable, `completion-ignore-case', which causes filename completion
|
|
and matching to be performed case-insensitively.
|
|
|
|
d. There is a new bindable command, `magic-space', which causes history
|
|
expansion to be performed on the current readline buffer and a space to
|
|
be inserted into the result.
|
|
|
|
e. There is a new bindable command, `menu-complete', which enables tcsh-like
|
|
menu completion (successive executions of menu-complete insert a single
|
|
completion match, cycling through the list of possible completions).
|
|
|
|
f. There is a new bindable command, `paste-from-clipboard', for use on Win32
|
|
systems, to insert the text from the Win32 clipboard into the editing
|
|
buffer.
|
|
|
|
g. The key sequence translation code now understands printf-style backslash
|
|
escape sequences, including \NNN octal escapes. These escape sequences
|
|
may be used in key sequence definitions or macro values.
|
|
|
|
h. An `$include' inputrc file parser directive has been added.
|