Here are the logs with 70/71 fed in the configuration setting.

rrs@learner:~$ onboard -ddebug
22:34:57.944 INFO    Config                gsettings schema for 'org.gnome.Mousetweaks' is not installed
22:34:57.948 INFO    ClickSimulator        'CSMousetweaks0' selected for mousetweaks up to version 3.8.
22:34:57.949 DEBUG   Config                Desktop environment: GNOME_Shell
22:34:57.952 DEBUG   Config                command line: ['/usr/bin/onboard', '-ddebug']
22:34:57.952 DEBUG   Config                lauched by, process: '['/bin/bash', '']'
22:34:57.952 DEBUG   Config                lauched by, detected: 0
22:34:57.952 INFO    ConfigUtils           Looking for system defaults in ['/home/rrs/.config/onboard/onboard-defaults.conf', '/etc/xdg/onboard/onboard-defaults.conf', '/usr/share/onboard/onboard-defaults.conf', '/etc/onboard/onboard-defaults.conf']
22:34:57.953 INFO    ConfigUtils           Loading system defaults from ['/usr/share/onboard/onboard-defaults.conf']
22:34:57.953 INFO    ConfigUtils           Found system default '[window.landscape] dock-expand=True'
22:34:57.953 INFO    ConfigUtils           Found system default '[window] docking-enabled=True'
22:34:57.954 INFO    ConfigUtils           Found system default '[window] force-to-top=True'
22:34:57.954 INFO    ConfigUtils           Found system default '[auto-show] enabled=False'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] layout=Compact'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] theme=Nightshade'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] key-label-font=Ubuntu'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] superkey-label='
22:34:57.954 INFO    ConfigUtils           Found system default '[main] superkey-label-independent-size=True'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] xembed-onboard=True'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] xembed-aspect-change-range=[0, 1.6]'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] xembed-unity-greeter-offset-x=85.0'
22:34:57.954 INFO    ConfigUtils           Found system default '[main] xembed-background-color='#0000007F''
22:34:57.955 INFO    ConfigUtils           Found system default '[main] xembed-background-image-enabled=True'
22:34:57.988 INFO    Config                Theme candidates ['/usr/share/onboard/themes/Nightshade.theme', '', '', 'Nightshade', 'Classic Onboard']
22:34:57.988 INFO    Config                Loading theme from '/usr/share/onboard/themes/Nightshade.theme'
22:34:57.990 DEBUG   Config                Leaving init
22:34:58.019 WARNING HardwareSensorTracker Failed to connect to acpid, SW_TABLET_MODE detection disabled. ('/var/run/acpid.socket': [Errno 2] No such file or directory) 
22:34:58.023 INFO    GlobalKeyListener     listening to keyboard devices: [('Video Bus', 7, '0000:0006:4'), ('Lenovo EasyCamera', 10, '04F2:B40F:4'), ('Ideapad extra buttons', 11, '0000:0000:4'), ('AT Translated Set 2 keyboard', 12, '0001:0001:4')]
22:34:58.024 DEBUG   AutoShow              enable_tablet_mode_detection True <Onboard.HardwareSensorTracker.HardwareSensorTracker object at 0x7fd3221fe160>
22:34:58.024 DEBUG   AutoShow              enable_keyboard_device_detection False None
22:34:58.024 INFO    GlobalKeyListener     listening to keyboard devices: [('Video Bus', 7, '0000:0006:4'), ('Lenovo EasyCamera', 10, '04F2:B40F:4'), ('Ideapad extra buttons', 11, '0000:0000:4'), ('AT Translated Set 2 keyboard', 12, '0001:0001:4')]
22:34:58.027 DEBUG   WindowUtils           restore_window_rect Rect(x=893.0 y=1018.0 w=64.0 h=64.0), <class 'Onboard.WindowUtils.Orientation.LANDSCAPE'>
22:34:58.028 DEBUG   WindowUtils           restore_window_rect Rect(x=893.0 y=1018.0 w=64.0 h=64.0), <class 'Onboard.WindowUtils.Orientation.LANDSCAPE'>
22:34:58.029 DEBUG   KbdWindow             Entered in __init__
22:34:58.029 DEBUG   KbdWindow             window manager: GNOME Shell
22:34:58.029 DEBUG   KbdWindow             quirks selected: <class 'Onboard.KbdWindow.WMQuirksMutter'>
22:34:58.029 DEBUG   KbdWindow             screen changed, supports_alpha=True
22:34:58.029 DEBUG   KbdWindow             Leaving __init__
22:34:58.030 DEBUG   WindowUtils           restore_window_rect Rect(x=89.0 y=674.0 w=1730.0 h=405.0), <class 'Onboard.WindowUtils.Orientation.LANDSCAPE'>
22:34:58.030 INFO    OnboardGtk            Loading initial layout
22:34:58.045 DEBUG   ConfigUtils           layout '/usr/share/onboard/layouts/Small.onboard' found.
22:34:58.045 INFO    OnboardGtk            Loading keyboard layout /usr/share/onboard/layouts/Small.onboard
22:34:58.045 INFO    OnboardGtk            Loading color scheme /usr/share/onboard/themes/Charcoal.colors
22:34:58.047 INFO    LayoutLoaderSVG       current system keyboard layout(variant): 'us'
22:34:58.055 DEBUG   ConfigUtils           layout include 'key_defs.xml' not found yet, retrying in default paths
22:34:58.055 DEBUG   ConfigUtils           layout include '/usr/share/onboard/layouts/key_defs.xml' found.
22:34:58.055 INFO    LayoutLoaderSVG       Including layout 'key_defs.xml'
22:34:58.062 DEBUG   ConfigUtils           layout include 'word_suggestions.xml' not found yet, retrying in default paths
22:34:58.062 DEBUG   ConfigUtils           layout include '/usr/share/onboard/layouts/word_suggestions.xml' found.
22:34:58.062 INFO    LayoutLoaderSVG       Including layout 'word_suggestions.xml'
22:34:58.081 INFO    LayoutLoaderSVG       Ignoring key 'RTSH'. No svg object found for 'RTSH'.
22:34:58.099 INFO    LayoutLoaderSVG       Ignoring key 'layer0'. No svg object found for 'layer0'.
22:34:58.114 DEBUG   Onboard.Keyboard      Key-synth candidates: [<KeySynthEnum.XTEST: 1>, <KeySynthEnum.UINPUT: 2>, <KeySynthEnum.ATSPI: 3>]
22:34:58.115 INFO    Onboard.Keyboard      Using key-synth 'KeySynthEnum.XTEST'
22:34:58.115 DEBUG   Onboard.Keyboard      keyboard auto-repeat: delay 0.5, interval 0.03
22:34:58.116 INFO    Onboard.WordSuggestions selecting language models: system=['lm:system:en_US'] user=['lm:user:en_IN'] auto_learn=['lm:user:en_IN']
22:34:58.117 INFO    Onboard.SpellChecker  starting '<class 'Onboard.SpellChecker.hunspell'>' ['en_US']
22:34:58.117 INFO    Onboard.SpellChecker  using hunspell files '/usr/share/hunspell/en_US.dic', '/usr/share/hunspell/en_US.aff'
22:34:58.136 INFO    Onboard.SpellChecker  dictionary encoding 'ISO8859-1'
22:34:58.136 DEBUG   Onboard.Keyboard      set_modifiers(0) False None False
22:34:58.137 INFO    TouchInput            listening to XInput master: ('Virtual core pointer', 2, '0000:0000:1')
22:34:58.137 INFO    TouchInput            listening to XInput slaves: [('Virtual core XTEST pointer', 4, '0000:0000:3'), ('ELAN Touchscreen', 9, '04F3:0303:3'), ('SynPS/2 Synaptics TouchPad', 13, '0002:0007:3')]
22:34:58.137 INFO    Onboard.Keyboard      using click simulator 'CSFloatingSlave'
22:34:58.170 DEBUG   Onboard.Keyboard      ButtonController: BarKey('previous-predictions').sensitive = False
22:34:58.171 DEBUG   Onboard.Keyboard      ButtonController: BarKey('next-predictions').sensitive = False
22:34:58.174 DEBUG   OnboardGtk            not limiting window size: Rect(x=0.0 y=1090.0 w=1920.0 h=365.0) to Rect(x=0.0 y=1090.0 w=1920.0 h=365.0)
22:34:58.175 DEBUG   KbdWindow             update_window_scaling_factor: scale None
22:34:58.195 DEBUG   WindowUtils           restore_window_rect Rect(x=89.0 y=674.0 w=1730.0 h=405.0), <class 'Onboard.WindowUtils.Orientation.LANDSCAPE'>
22:34:58.196 DEBUG   KbdWindow             _cb_realize_event, screen size 1920x1080
22:34:58.196 DEBUG   KbdWindow             _cb_realize_event, monitor dimensions: (1920, 1080) pixel, (293, 165) mm
22:34:58.196 DEBUG   KbdWindow             _cb_realize_event, get_min_window_size(): 327 130
22:34:58.197 DEBUG   TouchInput            setting touch input mode 2: touch_events_enabled=True, multi_touch_enabled=True, gestures_enabled=True
22:34:58.197 INFO    TouchInput            listening to XInput master: ('Virtual core pointer', 2, '0000:0000:1')
22:34:58.198 INFO    TouchInput            listening to XInput slaves: [('Virtual core XTEST pointer', 4, '0000:0000:3'), ('ELAN Touchscreen', 9, '04F3:0303:3'), ('SynPS/2 Synaptics TouchPad', 13, '0002:0007:3')]
22:34:58.199 DEBUG   OnboardGtk            keep_windows_on_top [<KbdWindow.KbdWindow object at 0x7fd322ca13f0 (Onboard+KbdWindow+KbdWindow at 0x56062432ca80)>, <IconPalette.IconPalette object at 0x7fd322c675e8 (Onboard+IconPalette+IconPalette at 0x56062432c7e0)>]
22:34:58.203 INFO    Indicator             Status icon provider: 'BackendAppIndicator' selected
22:34:58.203 INFO    OnboardGtk            Entering mainloop of onboard
22:34:58.205 DEBUG   KbdWindow             window-state-event: <flags GDK_WINDOW_STATE_STICKY | GDK_WINDOW_STATE_ABOVE | GDK_WINDOW_STATE_FOCUSED of type Gdk.WindowState>, <flags GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_STICKY | GDK_WINDOW_STATE_ABOVE | GDK_WINDOW_STATE_FOCUSED of type Gdk.WindowState>
22:34:58.206 DEBUG   KbdWindow             update_window_scaling_factor: scale 1
22:34:58.206 DEBUG   KbdWindow             configure-event: event Rect(x=0.0 y=1090.0 w=1920.0 h=365.0), allocated (1, 1), window Rect(x=0.0 y=1090.0 w=1920.0 h=365.0), scaling factor 1.0
22:34:58.206 DEBUG   KbdWindow             window-state-event: <flags GDK_WINDOW_STATE_STICKY | GDK_WINDOW_STATE_FOCUSED of type Gdk.WindowState>, <flags GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ABOVE of type Gdk.WindowState>
22:34:58.207 DEBUG   KbdWindow             update_window_scaling_factor: scale 1
22:34:58.207 DEBUG   KbdWindow             configure-event: event Rect(x=0.0 y=1090.0 w=1920.0 h=365.0), allocated (1, 1), window Rect(x=0.0 y=1090.0 w=1920.0 h=365.0), scaling factor 1.0
22:34:59.071 INFO    Onboard.WPEngine      Loading language model '/usr/share/onboard/models/en_US.lm'.
22:34:59.183 INFO    Onboard.WPEngine      Loading language model '/home/rrs/.local/share/onboard/models/en_IN.lm'.
22:35:01.045 INFO    HardwareSensorTracker global key press 133 received
22:35:01.046 INFO    GlobalKeyListener     auto-hide due to key-press 65515 from device 'AT Translated Set 2 keyboard' (12)
22:35:01.046 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:35:01.047 INFO    AutoShow              can_hide_keyboard: locks=[] 
22:35:01.048 DEBUG   HardwareSensorTracker Opening '/sys/devices/platform/hp-wmi/tablet' failed: [Errno 2] No such file or directory: '/sys/devices/platform/hp-wmi/tablet'
22:35:01.048 DEBUG   HardwareSensorTracker Opening '/sys/devices/platform/thinkpad_acpi/hotkey_tablet_mode' failed: [Errno 2] No such file or directory: '/sys/devices/platform/thinkpad_acpi/hotkey_tablet_mode'
22:35:01.049 INFO    AutoShow              can_show_keyboard: locks=[] tablet_mode=None 
22:35:01.049 DEBUG   AutoShow              request_keyboard_visible(False): lock_visible=False can_hide=True can_show=True
22:35:01.055 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
22:35:01.056 DEBUG   OnboardGtk            keyboard state changed to 0x40
22:35:01.056 DEBUG   Onboard.Keyboard      set_modifiers(64) False None False
22:35:01.335 INFO    HardwareSensorTracker global key press 111 received
22:35:01.336 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:35:01.337 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
22:35:01.520 DEBUG   OnboardGtk            keyboard state changed to 0x0
22:35:01.520 DEBUG   Onboard.Keyboard      set_modifiers(0) False None False
22:35:01.648 INFO    AutoShow              can_hide_keyboard: locks=[] 
22:35:01.648 INFO    AutoShow              can_show_keyboard: locks=['hide-on-key-press'] 
22:35:01.648 DEBUG   AutoShow              request_keyboard_visible(True): lock_visible=False can_hide=True can_show=False
22:35:15.904 INFO    HardwareSensorTracker global key press 36 received
22:35:15.905 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:35:15.905 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']








22:35:38.888 INFO    HardwareSensorTracker global key press 126 received
22:35:38.888 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:35:38.889 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
±22:35:38.909 INFO    HardwareSensorTracker global key press 201 received
22:35:38.910 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:35:38.910 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
22:35:38.911 INFO    AutoShow              can_hide_keyboard: locks=[] 
22:35:38.912 INFO    AutoShow              can_show_keyboard: locks=['hide-on-key-press'] 
22:35:38.912 DEBUG   AutoShow              request_keyboard_visible(False): lock_visible=False can_hide=True can_show=False
22:35:39.110 INFO    AutoShow              can_hide_keyboard: locks=[] 
22:35:39.110 INFO    AutoShow              can_show_keyboard: locks=['hide-on-key-press'] 
22:35:39.110 DEBUG   AutoShow              request_keyboard_visible(True): lock_visible=False can_hide=True can_show=False
22:35:39.143 DEBUG   Onboard.WPEngine      context=['<num>', '<num>', '<num>', 'DEBUG', 'AutoShow', 'request_keyboard_visible', 'True', '<s>', 'lock_visible', 'False', 'can_hide', 'True', 'can_show', 'False']
22:35:39.144 DEBUG   Onboard.WPEngine      choices=[]
22:36:00.577 INFO    HardwareSensorTracker global key press 200 received
22:36:00.577 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:36:00.578 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
22:36:00.582 INFO    AutoShow              can_hide_keyboard: locks=[] 
22:36:00.583 INFO    AutoShow              can_show_keyboard: locks=['hide-on-key-press'] 
22:36:00.583 DEBUG   AutoShow              request_keyboard_visible(False): lock_visible=False can_hide=True can_show=False
22:36:00.773 INFO    AutoShow              can_hide_keyboard: locks=[] 
22:36:00.774 INFO    AutoShow              can_show_keyboard: locks=['hide-on-key-press'] 
22:36:00.774 DEBUG   AutoShow              request_keyboard_visible(True): lock_visible=False can_hide=True can_show=False
22:36:00.804 DEBUG   Onboard.WPEngine      context=['<num>', '<num>', '<num>', 'DEBUG', 'AutoShow', 'request_keyboard_visible', 'True', '<s>', 'lock_visible', 'False', 'can_hide', 'True', 'can_show', 'False']
22:36:00.804 DEBUG   Onboard.WPEngine      choices=[]
22:36:01.236 INFO    HardwareSensorTracker global key press 14 received
22:36:01.237 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:36:01.237 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
522:36:12.080 DEBUG   OnboardGtk            keyboard state changed to 0x4
22:36:12.080 DEBUG   Onboard.Keyboard      set_modifiers(4) False None False
22:36:12.084 INFO    HardwareSensorTracker global key press 37 received
22:36:12.084 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:36:12.085 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
22:36:13.347 INFO    HardwareSensorTracker global key press 54 received
22:36:13.348 DEBUG   Onboard.Keyboard      auto_show_lock_and_hide('hide-on-key-press', 1800.0)
22:36:13.348 DEBUG   AutoShow              lock('hide-on-key-press'): ['hide-on-key-press']
^C22:36:13.353 DEBUG   OnboardGtk            SIGINT received
22:36:13.353 DEBUG   OnboardGtk            Entered do_quit_onboard
22:36:13.380 INFO    Onboard.AtspiStateTracker all listeners disconnected
22:36:13.388 INFO    GlobalKeyListener     listening to keyboard devices: [('Video Bus', 7, '0000:0006:4'), ('Lenovo EasyCamera', 10, '04F2:B40F:4'), ('Ideapad extra buttons', 11, '0000:0000:4'), ('AT Translated Set 2 keyboard', 12, '0001:0001:4')]
22:36:13.391 INFO    HardwareSensorTracker all listeners disconnected
22:36:13.391 DEBUG   AutoShow              enable_tablet_mode_detection False None
22:36:13.391 DEBUG   AutoShow              enable_keyboard_device_detection False None
22:36:13.394 INFO    GlobalKeyListener     all listeners disconnected
all listeners disconnected
2017-01-26 / 22:36:13 ♒♒♒  ☺