More small documentation improvements.

1 files changed, 21 insertions, 20 deletions

diff --git a/doc/checkbutton.n b/doc/checkbutton.n
index 4a4d2bd..4d06c68 100644
--- a/doc/checkbutton.n
+++ b/doc/checkbutton.n
@@ -38,7 +38,7 @@ If this option is not specified, the button's desired height is computed
 from the size of the image or bitmap or text being displayed in it.
 .OP \-indicatoron indicatorOn IndicatorOn
 Specifies whether or not the indicator should be drawn.  Must be a
-proper boolean value.  If false, the \fBrelief\fR option is
+proper boolean value.  If false, the \fB\-relief\fR option is
 ignored and the widget's relief is always sunken if the widget is
 selected and raised otherwise.
 .OP \-offrelief offRelief OffRelief
@@ -79,25 +79,25 @@ whenever the widget is selected.
 If specified as an empty string then no special color is used for
 displaying when the widget is selected.
 .OP \-selectimage selectImage SelectImage
-Specifies an image to display (in place of the \fBimage\fR option)
+Specifies an image to display (in place of the \fB\-image\fR option)
 when the checkbutton is selected.
-This option is ignored unless the \fBimage\fR option has been
+This option is ignored unless the \fB\-image\fR option has been
 specified.
 .OP \-state state State
 Specifies one of three states for the checkbutton:  \fBnormal\fR, \fBactive\fR,
 or \fBdisabled\fR.  In normal state the checkbutton is displayed using the
-\fBforeground\fR and \fBbackground\fR options.  The active state is
+\fB\-foreground\fR and \fB\-background\fR options.  The active state is
 typically used when the pointer is over the checkbutton.  In active state
-the checkbutton is displayed using the \fBactiveForeground\fR and
-\fBactiveBackground\fR options.  Disabled state means that the checkbutton
+the checkbutton is displayed using the \fB\-activeforeground\fR and
+\fB\-activebackground\fR options.  Disabled state means that the checkbutton
 should be insensitive:  the default bindings will refuse to activate
 the widget and will ignore mouse button presses.
-In this state the \fBdisabledForeground\fR and
-\fBbackground\fR options determine how the checkbutton is displayed.
+In this state the \fB\-disabledforeground\fR and
+\fB\-background\fR options determine how the checkbutton is displayed.
 .OP \-tristateimage tristateImage TristateImage
-Specifies an image to display (in place of the \fBimage\fR option)
+Specifies an image to display (in place of the \fB\-image\fR option)
 when the checkbutton is in tri-state mode.
-This option is ignored unless the \fBimage\fR option has been
+This option is ignored unless the \fB\-image\fR option has been
 specified.
 .OP \-tristatevalue tristateValue Value
 Specifies the value that causes the checkbutton to display the multi-value
@@ -134,13 +134,13 @@ that displays a textual string, bitmap or image
 and a square called an \fIindicator\fR.
 If text is displayed, it must all be in a single font, but it
 can occupy multiple lines on the screen (if it contains newlines
-or if wrapping occurs because of the \fBwrapLength\fR option) and
+or if wrapping occurs because of the \fB\-wraplength\fR option) and
 one of the characters may optionally be underlined using the
-\fBunderline\fR option.
+\fB\-underline\fR option.
 A checkbutton has
 all of the behavior of a simple button, including the
 following: it can display itself in either of three different
-ways, according to the \fBstate\fR option;
+ways, according to the \fB\-state\fR option;
 it can be made to appear
 raised, sunken, or flat; it can be made to flash; and it invokes
 a Tcl command whenever mouse button 1 is clicked over the
@@ -264,7 +264,8 @@ invoked, if there is one).
 .IP [3]
 When a checkbutton has the input focus, the space key causes the checkbutton
 to be invoked.  Under Windows, there are additional key bindings; plus
-(+) and equal (=) select the button, and minus (\-) deselects the button.
+(\fB+\fR) and equal (\fB=\fR) select the button, and minus (\fB\-\fR)
+deselects the button.
 .PP
 If the checkbutton's state is \fBdisabled\fR then none of the above
 actions occur:  the checkbutton is completely non-responsive.
@@ -276,12 +277,12 @@ individual widgets or by redefining the class bindings.
 This example shows a group of uncoupled checkbuttons.
 .PP
 .CS
-    labelframe .lbl \-text "Steps:"
-    \fBcheckbutton\fR .c1 \-text Lights  \-variable lights
-    \fBcheckbutton\fR .c2 \-text Cameras \-variable cameras
-    \fBcheckbutton\fR .c3 \-text Action! \-variable action
-    pack .c1 .c2 .c3 \-in .lbl
-    pack .lbl
+labelframe .lbl \-text "Steps:"
+\fBcheckbutton\fR .c1 \-text Lights  \-variable lights
+\fBcheckbutton\fR .c2 \-text Cameras \-variable cameras
+\fBcheckbutton\fR .c3 \-text Action! \-variable action
+pack .c1 .c2 .c3 \-in .lbl
+pack .lbl
 .CE
 .SH "SEE ALSO"
 button(n), options(n), radiobutton(n), ttk::checkbutton(n)