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bdfa4b08 CR |
1 | This document details the changes between this version, bash-5.2-release, and |
2 | the previous version, bash-5.2-rc4. | |
3 | ||
4 | 1. Changes to Bash | |
5 | ||
6 | 2. Changes to Readline | |
7 | ||
8 | a. When replacing a history entry, make sure the existing entry has a non-NULL | |
9 | timestamp before copying it; it may have been added by the application, not | |
10 | the history library. | |
11 | ||
12 | 3. New Features in Bash | |
13 | ||
14 | 4. New Features in Readline | |
15 | ||
16 | ------------------------------------------------------------------------------ | |
e9c75143 CR |
17 | This document details the changes between this version, bash-5.2-rc4, and |
18 | the previous version, bash-5.2-rc3. | |
19 | ||
20 | 1. Changes to Bash | |
21 | ||
22 | a. Changed how the compatibility mode enabling of extglob works in conjunction | |
23 | with parsing conditional commands. | |
24 | ||
25 | b. Fixed a problem with aliases containing command substitutions. | |
26 | ||
27 | 2. Changes to Readline | |
28 | ||
29 | 3. New Features in Bash | |
30 | ||
31 | 4. New Features in Readline | |
32 | ||
33 | ------------------------------------------------------------------------------ | |
7547afdf CR |
34 | This document details the changes between this version, bash-5.2-rc3, and |
35 | the previous version, bash-5.2-rc2. | |
36 | ||
37 | 1. Changes to Bash | |
38 | ||
39 | a. Added a compatibility mode feature that causes the parser to parse command | |
40 | substitutions as if extglob were enabled. If it is enabled before execution, | |
41 | parse at execution will succeed. If not, the subsequent execution parse will | |
42 | fail. | |
43 | ||
44 | b. Fixed an issue with handling a `return' executed in a trap action if the | |
45 | trap is executed while running in a shell function. | |
46 | ||
47 | 2. Changes to Readline | |
48 | ||
49 | 3. New Features in Bash | |
50 | ||
51 | 4. New Features in Readline | |
52 | ||
53 | a. Readline now checks for changes to locale settings (LC_ALL/LC_CTYPE/LANG) | |
54 | each time it is called, and modifies the appropriate locale-specific display | |
55 | and key binding variables when the locale changes. | |
56 | ||
57 | ------------------------------------------------------------------------------ | |
e9e3e4fe CR |
58 | This document details the changes between this version, bash-5.2-rc2, and |
59 | the previous version, bash-5.2-rc1. | |
60 | ||
61 | 1. Changes to Bash | |
62 | ||
63 | a. Fixed a bug that could disable history saving after a compound array | |
64 | assignment in an interactive shell. | |
65 | ||
66 | b. Fixed a bug that could cause incorrect error messages when running a DEBUG | |
67 | trap during a conditional or arithmetic command. | |
68 | ||
69 | c. Fixed a bug that caused test to print an error message when given ! ! arg | |
70 | as arguments. | |
71 | ||
72 | d. Fixed a bug that resulted in incorrect error messages when completing a | |
73 | backquoted command substitution. | |
74 | ||
75 | e. Changed command substitution parsing to reproduce the original text more | |
76 | closely when reconsituting the command string from the parsed command. | |
77 | ||
78 | f. Fixed a bug that could cause an EXIT trap to use the wrong variable context | |
79 | when the errexit option is set. | |
80 | ||
81 | g. Fixed a bug that could cause the parser to incorrectly delimit a token when | |
82 | an alias expansion ended with a multibyte character. | |
83 | ||
84 | 2. Changes to Readline | |
85 | ||
86 | 3. New Features in Bash | |
87 | ||
88 | a. Since there is no `declare -' equivalent of `local -', make sure to use | |
89 | `local -' in the output of `local -p'. | |
90 | ||
91 | b. Null anchored matches in pattern substitution now process `&' in the | |
92 | replacement string, like sed. | |
93 | ||
94 | 4. New Features in Readline | |
95 | ||
96 | ------------------------------------------------------------------------------ | |
6392d7af CR |
97 | This document details the changes between this version, bash-5.2-rc1, and |
98 | the previous version, bash-5.2-beta. | |
99 | ||
100 | 1. Changes to Bash | |
101 | ||
102 | a. Changes to `wait -p' and how it sets the variable name in the presence of | |
103 | valid and invalid PID arguments. | |
104 | ||
105 | b. Fixed a bug that caused compgen to dump core if the completion engine was | |
106 | not initialized. | |
107 | ||
108 | c. Fixed a memory leak in the variable name programmable completion code. | |
109 | ||
110 | d. Here-documents and here-strings use tempfiles if the shell compatibility | |
111 | level is 50 or lower. | |
112 | ||
113 | e. Non-interactive shells exit on a syntax error encountered while parsing a | |
114 | command substitution. | |
115 | ||
116 | f. Fixed a bug with inherited parser state while parsing a command substitution. | |
117 | ||
118 | g. Fixed a bug that caused the shell not to check for terminating signals | |
119 | after executing the command_string supplied with `-c' and before executing | |
120 | the exit trap. | |
121 | ||
122 | h. Changes to avoid a make race condition while generating builtins.c. | |
123 | ||
124 | i. Make it explicit that BASH_REMATCH is always a global variable, and that | |
125 | local copies are (currently) ignored. | |
126 | ||
127 | j. Fixed a bug that caused an ambiguous redirection (>&word) to be printed | |
128 | incorrectly (>&word) if no file descriptor was supplied. | |
129 | ||
130 | 2. Changes to Readline | |
131 | ||
132 | a. Fixed a bug that caused rl_eof_found to be set prematurely while reading a | |
133 | multi-character key sequence in callback mode. | |
134 | ||
135 | 3. New Features in Bash | |
136 | ||
137 | a. In posix mode, the `printf' builtin checks for the `L' length modifier and | |
138 | uses long double for floating point conversion specifiers if it's present, | |
139 | double otherwise. | |
140 | ||
141 | b. The `globbing' completion code now takes the `globstar' option into account. | |
142 | ||
143 | c. `suspend -f' now forces the shell to suspend even if job control is not | |
144 | currently enabled. | |
145 | ||
146 | 4. New Features in Readline | |
147 | ||
148 | ------------------------------------------------------------------------------ | |
0b9a4b3a CR |
149 | This document details the changes between this version, bash-5.2-beta, and |
150 | the previous version, bash-5.2-alpha. | |
151 | ||
152 | 1. Changes to Bash | |
153 | ||
154 | a. Fixed a problem with command-oriented history and multi-line commands that | |
155 | caused embedded blank lines to be run together. | |
156 | ||
157 | b. Changed the way `&' is quoted when performing pattern substitution and | |
158 | `patsub_replacement' is enabled. | |
159 | ||
160 | c. Fixed some integer overflows when expanding strings or reading the output | |
161 | of command substitution larger than 2GB. | |
162 | ||
163 | d. `wait -p' without the `-n' option now does something useful if there are no | |
164 | jobs. | |
165 | ||
166 | e. Fixed an issue with read timeouts in posix mode. | |
167 | ||
168 | f. Changed here-document processing to process $'...' and $"..." only when they | |
169 | appear in the WORD portion of ${PARAM OP WORD} in the here-document body | |
170 | and the body is being expanded. | |
171 | ||
172 | g. Changed alias expansion in command substitution to be posix-conformant | |
173 | (performed while initially parsing the command substitution) when in posix | |
174 | mode. | |
175 | ||
176 | h. Bash optimizes away more forks in subshells. | |
177 | ||
178 | i. Here-document construction now performs quote removal on the here-document | |
179 | delimiter only if it's marked as quoted, which prevents quote characters in | |
180 | command substitutions from being removed. | |
181 | ||
182 | j. Prompt string expansion now gives invisible characters in the expansion of | |
183 | the \w, \W, and \s escape sequences a visible representation to avoid | |
184 | problems with redisplay. | |
185 | ||
186 | k. Fixed a problem with SIGINT during the execution of a command bound with | |
187 | `bind -x' affecting the saved terminal settings. | |
188 | ||
189 | l. Fixed an inconsistency with how $@ expands in a construct like ${@:+set} | |
190 | or ${array[@]:+set} in the presence of null positional parameters or | |
191 | array elements. | |
192 | ||
193 | 2. Changes to Readline | |
194 | ||
195 | a. Prevent some display problems when running a command as the result of a | |
196 | trap or one bound using `bind -x' and the command generates output. | |
197 | ||
198 | b. Fixed an issue with multi-line prompt strings that have one or more | |
199 | invisible characters at the end of a physical line. | |
200 | ||
201 | c. Fixed an issue that caused a history line's undo list to be cleared when | |
202 | it should not have been. | |
203 | ||
204 | 3. New Features in Bash | |
205 | ||
206 | a. There is a new bindable readline command name: `vi-edit-and-execute-command'. | |
207 | ||
208 | 4. New Features in Readline | |
209 | ||
210 | a. Two new bindable string variables: active-region-start-color and | |
211 | active-region-end-color. The first sets the color used to display the | |
212 | active region; the second turns it off. If set, these are used in place | |
213 | of terminal standout mode. | |
214 | ||
215 | b. New readline state (RL_STATE_EOF) and application-visible variable | |
216 | (rl_eof_found) to allow applications to detect when readline reads EOF | |
217 | before calling the deprep-terminal hook. | |
218 | ||
219 | c. There is a new configuration option: --with-shared-termcap-library, which | |
220 | forces linking the shared readline library with the shared termcap (or | |
221 | curses/ncurses/termlib) library so applications don't have to do it. | |
222 | ||
223 | ------------------------------------------------------------------------------ | |
5e6f45d9 CR |
224 | This document details the changes between this version, bash-5.2-alpha, and |
225 | the previous version, bash-5.1-release. | |
226 | ||
227 | 1. Changes to Bash | |
228 | ||
229 | a. Fixed a bug that assigned a value to the variable name supplied as an | |
230 | argument to `wait -p' when there were no jobs. | |
231 | ||
232 | b. Fixed a bug that resulted in performing incorrect word expansion on the | |
233 | key/value pairs in a compound array assignment. | |
234 | ||
235 | c. Fixed a bug that could put the child forked to run a command substitution | |
236 | into the wrong process group. | |
237 | ||
238 | d. Fixed a problem that could cause the lastpipe option to work incorrectly if | |
239 | file descriptor 0 was closed. | |
240 | ||
241 | e. Bash tries to suppress traps if a forked child receives a trapped signal | |
242 | before it has a chance to reset its signal handlers. | |
243 | ||
244 | f. Fixed several memory leaks in compound array assignments. | |
245 | ||
246 | g. Fixed a problem with performing an assignment with `+=' to an array element | |
247 | that was the value of a nameref. | |
248 | ||
249 | h. Fixed a bug that could cause a nameref containing an array reference using | |
250 | `@' or `*' not to expand to multiple words. | |
251 | ||
252 | i. Fixed a bug where extended glob functions could match `.' or `..' when it | |
253 | wasn't explicitly specified, even if dotglob was set. | |
254 | ||
255 | j. Fixed a bug that caused non-interactive posix-mode shells not to exit on a | |
256 | variable assignment error while assigning into the temporary environment. | |
257 | ||
258 | k. Fixed a bug that caused parsing errors if an alias contained a compound | |
259 | array assignment. | |
260 | ||
261 | l. Fixed a couple of instances where bash checked syntax too aggressively when | |
262 | trying to determine how to add a partial command to command-oriented | |
263 | history. | |
264 | ||
265 | m. Fixed a parser problem that caused it not to allow reserved words to follow | |
266 | the `((' and `[[' commands. | |
267 | ||
268 | n. Fixed a bad offset calculation when using negative offsets to `history -d'. | |
269 | ||
270 | o. Fixed an off-by-one error that caused a read past the end of a buffer when | |
271 | reading a multibyte character from the output of a command substitution. | |
272 | ||
273 | p. Fixed a problem with a failed `exec' command not setting $? to the right | |
274 | value for an exit trap. | |
275 | ||
276 | q. Fixed a problem that caused bash not to unlink FIFOs created as part of | |
277 | expanding redirections for an external command. | |
278 | ||
279 | r. Fixed a bug that could cause aliases not to be expanded in case statements. | |
280 | ||
281 | s. Fixed a bug that could cause word completion to attempt programmable | |
282 | completion for the target of a redirection, instead of filename completion. | |
283 | ||
284 | t. Fixed a bug that could result in errors after rebinding a key sequence with | |
285 | `bind -x' multiple times. | |
286 | ||
287 | u. Fixed a problem that could result in not quoting the result when performing | |
288 | command name completion with a glob pattern in the command name. | |
289 | ||
290 | v. `mapfile' now uses fully-buffered reads in more cases, which should improve | |
291 | bulk read performance. | |
292 | ||
293 | w. Fixed a bug that caused `wait -n' to not reset its internal state when | |
294 | interrupted by a signal, resulting in subsequent calls failing. | |
295 | ||
296 | x. Fixed a bug with parsing numeric arguments to readline key sequences | |
297 | installed with `bind -x'. | |
298 | ||
299 | y. Bash suppresses forking in several additional cases, including most uses | |
300 | of $(<file). | |
301 | ||
302 | z. If there are multiple `!' tokens in a [[ command, toggle the invert state | |
303 | instead of setting it unconditionally. | |
304 | ||
305 | aa. Fixed a bug where running `fc' on an empty history list would cause the | |
306 | shell to crash. | |
307 | ||
308 | bb. Word completion now checks whether or not a quote character closes a | |
309 | quoted string begun on a previous line, so readline doesn't interpret the | |
310 | quote as starting a new quoted string. | |
311 | ||
312 | cc. Fixed a typo that translated \UNNNNNNNN characters that were not valid in | |
313 | the current locale encoding as \uNNNNNNNN. | |
314 | ||
315 | dd. Fixed an issue that could cause bash to print timing statistics for the | |
316 | wrong command when `set -e' causes a command to fail. | |
317 | ||
318 | ee. Bash now runs the exit trap in function context if a failed command in | |
319 | the function causes the shell to exit. | |
320 | ||
321 | ff. Some fixes to how subshells modify $SHLVL. | |
322 | ||
323 | gg. Fixed a bug that caused `mapfile -t' not to remove the delimiter when the | |
324 | delimiter is > 128 in the current encoding. | |
325 | ||
326 | hh. Fixed a problem that could cause the shell to attempt to free unallocated | |
327 | memory if an expansion error occurred. | |
328 | ||
329 | ii. Fixed a bug in the bash malloc implementation of malloc_usable_size. Bash | |
330 | did not use it, but it could cause problems with library functions that | |
331 | did. | |
332 | ||
333 | jj. If the `exec' builtin fails, and the shell does not exit, it restores | |
334 | trapped signals to their trapped state. | |
335 | ||
336 | kk. Fixed a bug that could cause variable assignment arguments to `declare' to | |
337 | expand variables using attributes that the call to declare was turning off. | |
338 | ||
339 | ll. Fixed a bug with LINENO and arithmetic for commands. | |
340 | ||
341 | mm. Fixed a posix-mode bug that caused tildes not to be expanded after an | |
342 | unquoted colon on the right side of an assignment statement. | |
343 | ||
344 | nn. Fixed a problem with `caller' and line numbers when executing an ERR trap. | |
345 | ||
346 | oo. Fixed a problem that could make the value returned by ${a:=b} not be the | |
347 | final value assigned to a (e.g., if `a' has an attribute that modifies | |
348 | the value on assignment). | |
349 | ||
350 | pp. Fixed a problem with saving multi-line here-documents to the history list | |
351 | where the here-document delimiter does not appear on the first line. | |
352 | ||
353 | qq. Fixed a bug with using += to assign to dynamic variables like RANDOM. | |
354 | ||
355 | rr. Fixed a bug that caused `set -n' to modify $? if set after execution had | |
356 | started. | |
357 | ||
358 | ss. Builtins like printf/read/wait now behave more consistently when assigning | |
359 | arbitrary keys to associative arrays (like `]'. when appropriately quoted). | |
360 | ||
361 | tt. Fixed a problem with here-document collection printing the wrong prompt | |
362 | when parsing a compound list in an interactive shell. | |
363 | ||
364 | uu. Fixed a problem with quoting shell expansion characters (like `$') when | |
365 | they appear in a tab-completed word along with characters that do need | |
366 | quoting (e.g.. $HOME/VirtualBox VMs). | |
367 | ||
368 | 2. Changes to Readline | |
369 | ||
370 | a. Fixed a problem with cleaning up active marks when using callback mode. | |
371 | ||
372 | b. Fixed a problem with arithmetic comparison operators checking the version. | |
373 | ||
374 | c. Fixed a problem that could cause readline not to build on systems without | |
375 | POSIX signal functions. | |
376 | ||
377 | d. Fixed a bug that could cause readline to crash if the application removed | |
378 | the callback line handler before readline read all typeahead. | |
379 | ||
380 | e. Added additional checks for read errors in the middle of readline commands. | |
381 | ||
382 | f. Fixed a redisplay problem that occurred when switching from the digit- | |
383 | argument prompt `(arg: N)' back to the regular prompt and the regular | |
384 | prompt contained invisible characters. | |
385 | ||
386 | g. Fixed a problem with restoring the prompt when aborting an incremental | |
387 | search. | |
388 | ||
389 | h. Fix a problem with characters > 128 not being displayed correctly in certain | |
390 | single-byte encodings. | |
391 | ||
392 | i. Fixed a problem with unix-filename-rubout that caused it to delete too much | |
393 | when applied to a pathname consisting only of one or more slashes. | |
394 | ||
395 | j. Fixed a display problem that caused the prompt to be wrapped incorrectly if | |
396 | the screen changed dimensions during a call to readline() and the prompt | |
397 | became longer than the screen width. | |
398 | ||
399 | k. Fixed a problem that caused the \r output by turning off bracketed paste | |
400 | to overwrite the line if terminal echo was disabled. | |
401 | ||
402 | l. Fixed a bug that could cause colored-completion-prefix to not display if | |
403 | completion-prefix-display-length was set. | |
404 | ||
405 | m. Fixed a problem with line wrapping prompts when a group of invisible | |
406 | characters runs to the right edge of the screen and the prompt extends | |
407 | longer then the screen width. | |
408 | ||
409 | n. Fixed a couple problems that could cause rl_end to be set incorrectly by | |
410 | transpose-words. | |
411 | ||
412 | 3. New Features in Bash | |
413 | ||
414 | a. The bash malloc returns memory that is aligned on 16-byte boundaries. | |
415 | ||
416 | b. There is a new internal timer framework used for read builtin timeouts. | |
417 | ||
418 | c. Rewrote the command substitution parsing code to call the parser recursively | |
419 | and rebuild the command string from the parsed command. This allows better | |
67e47f22 CR |
420 | syntax checking and catches errors much earlier. Along with this, if |
421 | command substitution parsing completes with here-documents remaining to be | |
422 | read, the shell prints a warning message and reads the here-document bodies | |
423 | from the current input stream. | |
5e6f45d9 CR |
424 | |
425 | d. The `ulimit' builtin now treats an operand remaining after all of the options | |
426 | and arguments are parsed as an argument to the last command specified by | |
427 | an option. This is for POSIX compatibility. | |
428 | ||
429 | e. Here-document parsing now handles $'...' and $"..." quoting when reading the | |
430 | here-document body. | |
431 | ||
432 | f. The `shell-expand-line' and `history-and-alias-expand-line' bindable readline | |
433 | commands now understand $'...' and $"..." quoting. | |
434 | ||
435 | g. There is a new `spell-correct-word' bindable readline command to perform | |
436 | spelling correction on the current word. | |
437 | ||
438 | h. The `unset' builtin now attempts to treat arguments as array subscripts | |
439 | without parsing or expanding the subscript, even when `assoc_expand_once' | |
440 | is not set. | |
441 | ||
442 | i. There is a default value for $BASH_LOADABLES_PATH in config-top.h. | |
443 | ||
444 | j. Associative array assignment and certain instances of referencing (e.g., | |
98300c94 | 445 | `test -v') now allow `@' and `*' to be used as keys. |
5e6f45d9 | 446 | |
98300c94 CR |
447 | k. Bash attempts to expand indexed and associative array subscripts only |
448 | once when executing shell constructs and word expansions. | |
5e6f45d9 CR |
449 | |
450 | l. The `unset' builtin allows a subscript of `@' or `*' to unset a key with | |
451 | that value for associative arrays instead of unsetting the entire array | |
452 | (which you can still do with `unset arrayname'). For indexed arrays, it | |
453 | removes all elements of the array without unsetting it (like `A=()'). | |
454 | ||
455 | m. Additional builtins (printf/test/read/wait) do a better job of not | |
456 | parsing array subscripts if array_expand_once is set. | |
457 | ||
458 | n. New READLINE_ARGUMENT variable set to numeric argument for readline commands | |
459 | defined using `bind -x'. | |
460 | ||
461 | o. The new `varredir_close' shell option causes bash to automatically close | |
462 | file descriptors opened with {var}<fn and other styles of varassign | |
463 | redirection unless they're arguments to the `exec' builtin. | |
464 | ||
465 | p. The `$0' special parameter is now set to the name of the script when running | |
466 | any (non-interactive) startup files such as $BASH_ENV. | |
467 | ||
468 | q. The `enable' builtin tries to load a loadable builtin using the default | |
469 | search path if `enable name' (without any options) attempts to enable a | |
470 | non-existent builtin. | |
471 | ||
472 | r. The `printf' builtin has a new format specifier: %Q. This acts like %q but | |
473 | applies any specified precision to the original unquoted argument, then | |
474 | quotes and outputs the result. | |
475 | ||
476 | s. The new `noexpand_translations' option controls whether or not the translated | |
477 | output of $"..." is single-quoted. | |
478 | ||
479 | t. There is a new parameter transformation operator: @k. This is like @K, but | |
480 | expands the result to separate words after word splitting. | |
481 | ||
482 | u. There is an alternate array implementation, selectable at `configure' time, | |
483 | that optimizes access speed over memory use (use the new configure | |
484 | --enable-alt-array-implementation option). | |
485 | ||
486 | v. If an [N]<&WORD- or [N]>&WORD- redirection has WORD expand to the empty | |
487 | string, treat the redirection as [N]<&- or [N]>&- and close file descriptor | |
488 | N (default 0). | |
489 | ||
490 | w. Invalid parameter transformation operators are now invalid word expansions, | |
491 | and so cause fatal errors in non-interactive shells. | |
492 | ||
493 | x. New shell option: patsub_replacement. When enabled, a `&' in the replacement | |
494 | string of the pattern substitution expansion is replaced by the portion of | |
495 | the string that matched the pattern. Backslash will escape the `&' and | |
496 | insert a literal `&'. | |
497 | ||
498 | y. `command -p' no longer looks in the hash table for the specified command. | |
499 | ||
500 | z. The new `--enable-translatable-strings' option to `configure' allows $"..." | |
501 | support to be compiled in or out. | |
502 | ||
503 | aa. The new `globskipdots' shell option forces pathname expansion never to | |
01420686 | 504 | return `.' or `..' unless explicitly matched. It is enabled by default. |
5e6f45d9 CR |
505 | |
506 | bb. Array references using `@' and `*' that are the value of nameref variables | |
507 | (declare -n ref='v[@]' ; echo $ref) no longer cause the shell to exit if | |
508 | set -u is enabled and the array (v) is unset. | |
509 | ||
510 | 4. New Features in Readline | |
511 | ||
512 | a. There is now an HS_HISTORY_VERSION containing the version number of the | |
513 | history library for applications to use. | |
514 | ||
515 | b. History expansion better understands multiple history expansions that may | |
516 | contain strings that would ordinarily inhibit history expansion (e.g., | |
517 | `abc!$!$'). | |
518 | ||
519 | c. There is a new framework for readline timeouts, including new public | |
520 | functions to set timeouts and query how much time is remaining before a | |
521 | timeout hits, and a hook function that can trigger when readline times | |
522 | out. There is a new state value to indicate a timeout. | |
523 | ||
524 | d. Automatically bind termcap key sequences for page-up and page-down to | |
525 | history-search-backward and history-search-forward, respectively. | |
526 | ||
527 | e. There is a new `fetch-history' bindable command that retrieves the history | |
528 | entry corresponding to its numeric argument. Negative arguments count back | |
529 | from the end of the history. | |
530 | ||
531 | f. `vi-undo' is now a bindable command. | |
532 | ||
533 | g. There is a new option: `enable-active-region'. This separates control of | |
534 | the active region and bracketed-paste. It has the same default value as | |
535 | bracketed-paste, and enabling bracketed paste enables the active region. | |
536 | Users can now turn off the active region while leaving bracketed paste | |
537 | enabled. | |
538 | ||
539 | h. rl_completer_word_break_characters is now `const char *' like | |
540 | rl_basic_word_break_characters. | |
541 | ||
8f68f9f0 | 542 | i. Readline looks in $LS_COLORS for a custom filename extension |
5e6f45d9 CR |
543 | (*.readline-colored-completion-prefix) and uses that as the default color |
544 | for the common prefix displayed when `colored-completion-prefix' is set. |