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docs/source/whatsnew/pr/unicode-update.rst

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+Unicode Completion update
+-------------------------
+
+In IPython 7.1 the unicode completion map has been updated and synchronized with
+the Julia language.
+
+Added and removed character characters:
+
+ ``\jmath`` (``ȷ``), ``\\underleftrightarrow`` (U+034D, combining) have been
+ added, while ``\\textasciicaron`` have been removed
+
+Some sequence have seen their prefix removed:
+
+ - 6 characters ``\text...<tab>`` should now be inputed with ``\...<tab>`` directly,
+ - 45 characters ``\Elz...<tab>`` should now be inputed with ``\...<tab>`` directly,
+ - 65 characters ``\B...<tab>`` should now be inputed with ``\...<tab>`` directly,
+ - 450 characters ``\m...<tab>`` should now be inputed with ``\...<tab>`` directly,
+
+Some sequence have seen their prefix shortened:
+
+ - 5 characters ``\mitBbb...<tab>`` should now be inputed with ``\bbi...<tab>`` directly,
+ - 52 characters ``\mit...<tab>`` should now be inputed with ``\i...<tab>`` directly,
+ - 216 characters ``\mbfit...<tab>`` should now be inputed with ``\bi...<tab>`` directly,
+ - 222 characters ``\mbf...<tab>`` should now be inputed with ``\b...<tab>`` directly,
+
+A couple of character had their sequence simplified:
+
+ - ``ð``, type ``\dh<tab>``, instead of ``\eth<tab>``
+ - ``ħ``, type ``\hbar<tab>``, instead of ``\Elzxh<tab>``
+ - ``ɸ``, type ``\ltphi<tab>``, instead of ``\textphi<tab>``
+ - ``ϴ``, type ``\varTheta<tab>``, instead of ``\textTheta<tab>``
+ - ``ℇ``, type ``\eulermascheroni<tab>``, instead of ``\Eulerconst<tab>``
+ - ``ℎ``, type ``\planck<tab>``, instead of ``\Planckconst<tab>``
+
+ - U+0336 (COMBINING LONG STROKE OVERLAY), type ``\strike<tab>``, instead of ``\Elzbar<tab>``.
+
+A couple of sequences have been updated:
+
+ - ``\varepsilon`` now give ``ɛ`` (GREEK SMALL LETTER EPSILON) instead of ``ε`` (GREEK LUNATE EPSILON SYMBOL),
+ - ``\underbar`` now give U+0331 (COMBINING MACRON BELOW) instead of U+0332 (COMBINING LOW LINE).
+