Commitcb66a00

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Ensure that passed length is non-negative

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Lines changed: 4 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -1573,7 +1573,9 @@ def move_screen_up(current_line_start_row):`
`1573`	`1573`	`ifself.stdin.has_focus:`
`1574`	`1574`	`cursor_row,cursor_column=divmod(`
`1575`	`1575`	`wcswidth(self.current_stdouterr_line)`
`1576`		`-+wcswidth(self.stdin.current_line,self.stdin.cursor_offset),`
	`1576`	`++wcswidth(`
	`1577`	`+self.stdin.current_line,max(0,self.stdin.cursor_offset)`
	`1578`	`+ ),`
`1577`	`1579`	`width,`
`1578`	`1580`	`)`
`1579`	`1581`	`assertcursor_row>=0andcursor_column>=0, (`
`@@ -1600,7 +1602,7 @@ def move_screen_up(current_line_start_row):`
`1600`	`1602`	`(`
`1601`	`1603`	`wcswidth(self.current_cursor_line_without_suggestion.s)`
`1602`	`1604`	`-wcswidth(self.current_line)`
`1603`		`-+wcswidth(self.current_line,self.cursor_offset)`
	`1605`	`++wcswidth(self.current_line,max(0,self.cursor_offset))`
`1604`	`1606`	`)`
`1605`	`1607`	`+self.number_of_padding_chars_on_current_cursor_line(),`
`1606`	`1608`	`width,`

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