diff options
Diffstat (limited to 'doc/history.n')
-rw-r--r-- | doc/history.n | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/doc/history.n b/doc/history.n index 0ce7c4c..ba507b4 100644 --- a/doc/history.n +++ b/doc/history.n @@ -14,20 +14,20 @@ history \- Manipulate the history list .SH SYNOPSIS \fBhistory \fR?\fIoption\fR? ?\fIarg arg ...\fR? .BE - .SH DESCRIPTION .PP The \fBhistory\fR command performs one of several operations related to recently-executed commands recorded in a history list. Each of -these recorded commands is referred to as an ``event''. When -specifying an event to the \fBhistory\fR command, the following +these recorded commands is referred to as an +.QW event . +When specifying an event to the \fBhistory\fR command, the following forms may be used: .IP [1] A number: if positive, it refers to the event with that number (all events are numbered starting at 1). If the number is negative, it selects an event relative to the current event (\fB\-1\fR refers to the previous event, \fB\-2\fR to the one before that, and -so on). Event \fB0\fP refers to the current event. +so on). Event \fB0\fR refers to the current event. .IP [2] A string: selects the most recent event that matches the string. An event is considered to match the string either if the string is @@ -43,7 +43,7 @@ as \fBhistory info\fR, described below. \fBhistory add\fI command \fR?\fBexec\fR? Adds the \fIcommand\fR argument to the history list as a new event. If \fBexec\fR is specified (or abbreviated) then the command is also -executed and its result is returned. If \fBexec\fR isn't specified +executed and its result is returned. If \fBexec\fR is not specified then an empty string is returned as result. .TP \fBhistory change\fI newValue\fR ?\fIevent\fR? @@ -87,16 +87,16 @@ revision: see below for details. .PP Pre-8.0 Tcl had a complex history revision mechanism. The current mechanism is more limited, and the old -history operations \fBsubstitute\fP and \fBwords\fP have been removed. -(As a consolation, the \fBclear\fP operation was added.) +history operations \fBsubstitute\fR and \fBwords\fR have been removed. +(As a consolation, the \fBclear\fR operation was added.) .PP -The history option \fBredo\fR results in much simpler ``history revision''. +The history option \fBredo\fR results in much simpler +.QW "history revision" . When this option is invoked then the most recent event is modified to eliminate the history command and replace it with the result of the history command. If you want to redo an event without modifying history, then use -the \fBevent\fP operation to retrieve some event, -and the \fBadd\fP operation to add it to history and execute it. - +the \fBevent\fR operation to retrieve some event, +and the \fBadd\fR operation to add it to history and execute it. .SH KEYWORDS event, history, record |