Merge 8.7

8 files changed, 18 insertions, 13 deletions

diff --git a/doc/GetScroll.3 b/doc/GetScroll.3
index 0df159b..91a2585 100644
--- a/doc/GetScroll.3
+++ b/doc/GetScroll.3
@@ -62,7 +62,8 @@ is returned as result and \fI*fractionPtr\fR is filled in with the
 value.
 If \fIobjv\fR has the \fBscroll\fR form, \fBTK_SCROLL_PAGES\fR
 or \fBTK_SCROLL_UNITS\fR is returned and \fI*stepsPtr\fR is filled
-in with the \fInumber\fR value, which must be a proper integer.
+in with the \fInumber\fR value, which must be a  integer or a float,
+but if it is a float then it is converted to an integer, rounded away from 0.
 If an error occurs in parsing the arguments, \fBTK_SCROLL_ERROR\fR
 is returned and an error message is left in interpreter
 \fIinterp\fR's result.
diff --git a/doc/bind.n b/doc/bind.n
index f307436..9210357 100644
--- a/doc/bind.n
+++ b/doc/bind.n
@@ -214,11 +214,7 @@ values should scroll up and negative values should scroll down.
 Horizontal scrolling uses \fBShift-MouseWheel\fR events, with positive
 \fB%D\fR \fIdelta\fR substitution indicating left scrolling and negative
 right scrolling.
-Only Windows and macOS Aqua typically fire \fBMouseWheel\fR and
-\fBShift-MouseWheel\fR events.  On
-X11 vertical scrolling is rather supported through \fBButton-4\fR and
-\fBButton-5\fR events, and horizontal scrolling through \fBShift-Button-4\fR
-and \fBShift-Button-5\fR events.  Horizontal scrolling events may fire from
+Horizontal scrolling events may fire from
 many different hardware units such as tilt wheels or touchpads.  Horizontal
 scrolling can also be emulated by holding Shift and scrolling vertically.
 .RE
diff --git a/doc/canvas.n b/doc/canvas.n
index 1b43983..2367e2e 100644
--- a/doc/canvas.n
+++ b/doc/canvas.n
@@ -1147,7 +1147,8 @@ total width of the canvas is off-screen to the left.
 .
 This command shifts the view in the window left or right according to
 \fInumber\fR and \fIwhat\fR.
-\fINumber\fR must be an integer.
+\fINumber\fR must be an integer or a float, but if it is a float then
+it is converted to an integer, rounded away from 0.
 \fIWhat\fR must be either \fBpages\fR or \fBunits\fR or an abbreviation
 of one of these.
 If \fIwhat is \fBpages\fR then the view
diff --git a/doc/entry.n b/doc/entry.n
index 99ebbf4..23b8cab 100644
--- a/doc/entry.n
+++ b/doc/entry.n
@@ -403,7 +403,8 @@ way through the text appears at the left edge of the window.
 \fIpathName \fBxview scroll \fInumber what\fR
 This command shifts the view in the window left or right according to
 \fInumber\fR and \fIwhat\fR.
-\fINumber\fR must be an integer.
+\fINumber\fR must be an integer or a float, but if it is a float then
+it is converted to an integer, rounded away from 0.
 \fIWhat\fR must be either \fBpages\fR or \fBunits\fR or an abbreviation
 of one of these.
 If \fIwhat\fR is \fBpages\fR then the view adjusts by \fInumber\fR screenfuls.
diff --git a/doc/listbox.n b/doc/listbox.n
index 9e4a459..02bd169 100644
--- a/doc/listbox.n
+++ b/doc/listbox.n
@@ -383,7 +383,8 @@ total width of the listbox text is off-screen to the left.
 .
 This command shifts the view in the window left or right according to
 \fInumber\fR and \fIwhat\fR.
-\fINumber\fR must be an integer.
+\fINumber\fR must be an integer or a float, but if it is a float then
+it is converted to an integer, rounded away from 0.
 \fIWhat\fR must be either \fBpages\fR or \fBunits\fR or an abbreviation
 of one of these.
 If \fIwhat\fR is \fBpages\fR then the view adjusts by
diff --git a/doc/scrollbar.n b/doc/scrollbar.n
index ba11f5c..4f808f4 100644
--- a/doc/scrollbar.n
+++ b/doc/scrollbar.n
@@ -223,7 +223,8 @@ it is slightly less than what fits in the window, so that there
 is a slight overlap between the old and new views.
 \fINumber\fR is either 1, which means the next page should
 become visible, or \-1, which means that the previous page should
-become visible.
+become visible. Fractional number are rounded away from 0, so
+scrolling 0.001 pages has the same effect as scrolling 1 page.
 .TP
 \fIprefix \fBscroll \fInumber \fBunits\fR
 .
@@ -232,7 +233,9 @@ The units are defined in whatever way makes sense for the widget,
 such as characters or lines in a text widget.
 \fINumber\fR is either 1, which means one unit should scroll off
 the top or left of the window, or \-1, which means that one unit
-should scroll off the bottom or right of the window.
+should scroll off the bottom or right of the window. Fractional
+numbers are rounded away from 0, so scrolling 0.001 units has
+the same effect as scrolling 1 unit.
 .SH "OLD COMMAND SYNTAX"
 .PP
 In versions of Tk before 4.0, the \fBset\fR and \fBget\fR widget
diff --git a/doc/spinbox.n b/doc/spinbox.n
index 1f556ba..6c8801d 100644
--- a/doc/spinbox.n
+++ b/doc/spinbox.n
@@ -470,7 +470,8 @@ way through the text appears at the left edge of the window.
 \fIpathName \fBxview scroll \fInumber what\fR
 This command shifts the view in the window left or right according to
 \fInumber\fR and \fIwhat\fR.
-\fINumber\fR must be an integer.
+\fINumber\fR must be an integer or a float, but if it is a float then
+it is converted to an integer, rounded away from 0.
 \fIWhat\fR must be either \fBpages\fR or \fBunits\fR or an abbreviation
 of one of these.
 If \fIwhat\fR is \fBpages\fR then the view adjusts by \fInumber\fR
diff --git a/doc/ttk_widget.n b/doc/ttk_widget.n
index 17f1d88..7bab661 100644
--- a/doc/ttk_widget.n
+++ b/doc/ttk_widget.n
@@ -257,7 +257,8 @@ way through the content appears at the left edge of the window.
 \fIpathName \fBxview scroll \fInumber what\fR
 This command shifts the view in the window left or right according to
 \fInumber\fR and \fIwhat\fR.
-\fINumber\fR must be an integer.
+\fINumber\fR must be an integer or a float, but if it is a float then
+it is converted to an integer, rounded away from 0.
 \fIWhat\fR must be either \fBpages\fR or \fBunits\fR.
 '\" or an abbreviation of one of these, but we don't document that.
 If \fIwhat\fR is