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Add very long arrows to the math mode
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Add TeX command \xlongrightarrow and its relatives (\xlongleftarrow and so on); these are really long arrows

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what means and so on?

A workaround is to use \xrightarrow{\quad} with various spacing in the brackets

0\, \xrightarrow{f}\, A\, \xrightarrow{\ g\ }\, B\, \xrightarrow{\;\;h\;\;}\, C\, \xrightarrow{\quad i\quad}\, D\, \xrightarrow{\quad}\, 0

Example at

There are some exotic arrows used in

\hookrightarrow and \twoheadrightarrow

it would be quite nice to have long versions of these.

Physikerwelt removed Physikerwelt as the assignee of this task.Dec 2 2018, 5:28 PM
Pkra moved this task from Incoming to New TeX macro proposals on the Math board.Dec 7 2018, 11:16 AM