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-rw-r--r--pw.153
1 files changed, 49 insertions, 4 deletions
diff --git a/pw.1 b/pw.1
index ac08c25..f4b3f21 100644
--- a/pw.1
+++ b/pw.1
@@ -153,11 +153,19 @@ count greater than 1 is in effect. (See the
.B -q
option).
-.IP "\fBl\fP, \fILeft Arrow\fP"
-Scroll the display to the left.
+.IP "[\fIcount\fP]\fBl\fP, [\fIcount\fP]\fILeft Arrow\fP"
+Scroll the display to the left by
+.I count
+characters, defaulting to 8 if
+.I count
+is absent.
-.IP "\fBh\fP, \fIRight Arrow\fP"
-Scroll the display to the right.
+.IP "[\fIcount\fP]\fBh\fP, [\fIcount\fP]\fIRight Arrow\fP"
+Scroll the display to the right by
+.I count
+characters, defaulting to 8 if
+.I count
+is absent.
.IP "\fB0\fP, \fIHome\fP"
Reset scroll to first column.
@@ -165,6 +173,43 @@ Reset scroll to first column.
.IP \fBCtrl-L\fP
Refresh the display.
+.IP "\fB[, ]\fP"
+Adjust the left vertical split, separating the left pane of the display. The
+left pane is an area of the display which always shows the prefix of each line,
+protected from horizontal scrolling. If the line is longer than the prefix,
+then either the
+.B >
+character appears to separate the left pane from the right pane,
+where the horizontally scrolling portion of remainder of the line appears,
+or else the
+.B |
+character appears to separate the left pane from the middle pane.
+The left pane has a zero width by default, so that it does not appear.
+These commands decrease and increase its width by one character.
+
+.IP "\fB<, >\fP"
+Adjust the right vertical split, separating the middle pane of the display
+from the right pane. The middle pane is an area of the
+display which always shows some middle portion of each line, protected
+from horizontal scrolling. It may appear together with the left split (see the
+.B [
+and
+.B ]
+commands) or by itself. The
+.B >
+character separates the middle pane from the right pane.
+
+The middle pane has a zero width by default, so that
+it does not appear. These commands decrease and increase the width by one
+character. Which portion of each line is shown in the middle pane is determined
+each time the middle pane is increased from zero width to nonzero:
+in other words, when the middle pane is changed from its hidden state to
+visible. At that moment, the current horizontal scroll position, together
+with the size of the left pane, determines the part of the line which is
+assigned to the middle pane. After that, the width of the pane can be
+adjusted without affecting what portion of the line it shows, independently
+of any horizontal scrolling adjustments occurring in the right pane.
+
.IP \fISpace\fP
Suspend the acquisition of new snapshots. In suspended mode,
input continues to pass through the FIFO, but new snapshots of data aren't