diff options
Diffstat (limited to 'lib/readline/doc/hsuser.texi')
| -rw-r--r-- | lib/readline/doc/hsuser.texi | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/readline/doc/hsuser.texi b/lib/readline/doc/hsuser.texi index d21f65d0..521ccc70 100644 --- a/lib/readline/doc/hsuser.texi +++ b/lib/readline/doc/hsuser.texi @@ -262,8 +262,8 @@ fix errors in previous commands quickly. @ifset BashFeatures History expansion is performed immediately after a complete line is read, before the shell breaks it into words, and is performed -on each line individually without taking quoting on previous lines into -account. +on each line individually. Bash attempts to inform the history +expansion functions about quoting still in effect from previous lines. @end ifset History expansion takes place in two parts. The first is to determine @@ -277,9 +277,19 @@ that Bash does, so that several words surrounded by quotes are considered one word. History expansions are introduced by the appearance of the history expansion character, which is @samp{!} by default. + +History expansion implements shell-like quoting conventions: +a backslash can be used to remove the special handling for the next character; +single quotes enclose verbatim sequences of characters, and can be used to +inhibit history expansion; +and characters enclosed within double quotes may be subject to history +expansion, since backslash can escape the history expansion character, +but single quotes may not, since they are not treated specially within +double quotes. + @ifset BashFeatures -Only @samp{\} and @samp{'} may be used to escape the history expansion -character, but the history expansion character is +When using the shell, only @samp{\} and @samp{'} may be used to escape the +history expansion character, but the history expansion character is also treated as quoted if it immediately precedes the closing double quote in a double-quoted string. @end ifset |