Merge pull request #685 from Swiftb0y/feat/add-shift-cues-co

document `shift_cues_earlier/_later(_small)` ControlObjects

source/chapters/appendix/mixxx_controls.rst

@@ -820,6 +820,46 @@ Any control listed above for :mixxx:cogroupref:`[ChannelN]` will work for a samp
    .. versionadded:: 2.0.0
 
 
+.. mixxx:control:: [ChannelN],shift_cues_earlier
+                   [PreviewDeckN],shift_cues_earlier
+                   [SamplerN],shift_cues_earlier
+
+   :range: binary
+   :feedback: All :term:`cue markers <cue marker>` move left by 10ms.
+
+   .. versionadded:: 2.3.0
+
+
+.. mixxx:control:: [ChannelN],shift_cues_later
+                   [PreviewDeckN],shift_cues_later
+                   [SamplerN],shift_cues_later
+
+   :range: binary
+   :feedback: All :term:`cue markers <cue marker>` move right by 10ms.
+
+   .. versionadded:: 2.3.0
+
+
+.. mixxx:control:: [ChannelN],shift_cues_earlier_small
+                   [PreviewDeckN],shift_cues_earlier_small
+                   [SamplerN],shift_cues_earlier_small
+
+   :range: binary
+   :feedback: All :term:`cue markers <cue marker>` move left by 1ms.
+
+   .. versionadded:: 2.3.0
+
+
+.. mixxx:control:: [ChannelN],shift_cues_later_small
+                   [PreviewDeckN],shift_cues_later_small
+                   [SamplerN],shift_cues_later_small
+
+   :range: binary
+   :feedback: All :term:`cue markers <cue marker>` move right by 1ms.
+
+   .. versionadded:: 2.3.0
+
+
 .. mixxx:control:: [ChannelN],bpm_toggle_lock
                    [PreviewDeckN],bpm_toggle_lock
                    [SamplerN],bpm_toggle_lock

source/glossary.rst

@@ -386,6 +386,10 @@ Glossary of Terms
      track. DJs usually place hotcues at distinctive positions within a track
      such as drops, breaks or kicks and snares. Mixxx supports up to 36 hotcues.
 
+   cue marker
+     A catch-all term used in mixxx to refer to the :term:`cue point`,
+     :term:`hotcues <hotcue>` and :ref:`intro and outro cues<djing-intro-outro-cues>`.
+
    bar
      In musical notation, a bar (or measure) is a segment of time defined by a
      given number of beats. Typically, a piece consists of several bars of the