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[1.6]001 This is a terse description of the new features added to readline-5.0 since 002 the release of readline-4.3. 003 004 1. New Features in Readline 005 006 a. History expansion has a new `a' modifier equivalent to the `g' modifier 007 for compatibility with the BSD csh. 008 009 b. History expansion has a new `G' modifier equivalent to the BSD csh `g' 010 modifier, which performs a substitution once per word. 011 012 c. All non-incremental search operations may now undo the operation of 013 replacing the current line with the history line. 014 015 d. The text inserted by an `a' command in vi mode can be reinserted with 016 `.'. 017 018 e. New bindable variable, `show-all-if-unmodified'. If set, the readline 019 completer will list possible completions immediately if there is more 020 than one completion and partial completion cannot be performed. 021 022 f. There is a new application-callable `free_history_entry()' function. 023 024 g. History list entries now contain timestamp information; the history file 025 functions know how to read and write timestamp information associated 026 with each entry. 027 028 h. Four new key binding functions have been added: 029 030 rl_bind_key_if_unbound() 031 rl_bind_key_if_unbound_in_map() 032 rl_bind_keyseq_if_unbound() 033 rl_bind_keyseq_if_unbound_in_map() 034 035 i. New application variable, rl_completion_quote_character, set to any 036 quote character readline finds before it calls the application completion 037 function. 038 039 j. New application variable, rl_completion_suppress_quote, settable by an 040 application completion function. If set to non-zero, readline does not 041 attempt to append a closing quote to a completed word. 042 043 k. New application variable, rl_completion_found_quote, set to a non-zero 044 value if readline determines that the word to be completed is quoted. 045 Set before readline calls any application completion function. 046 047 l. New function hook, rl_completion_word_break_hook, called when readline 048 needs to break a line into words when completion is attempted. Allows 049 the word break characters to vary based on position in the line. 050 051 m. New bindable command: unix-filename-rubout. Does the same thing as 052 unix-word-rubout, but adds `/' to the set of word delimiters. 053 054 n. When listing completions, directories have a `/' appended if the 055 `mark-directories' option has been enabled.
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