How do I get latex to add {} after a control word so that post-command spacing is preserve?

Asked Aug 03 '19 at 16:11

Active Aug 03 '19 at 16:11

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I asked a question yesterday and I managed to find a working albeit manual solution to preserving spaces after commands based off this answer, option 2.

Definition: \newcommand{\fox}{quick brown fox}

The \fox{}, jumped over the lazy dog.

Should evaluate to: The quick brown fox, jumped over the lazy dog.

And The \fox{} jumped over the lazy dog.

Should evaluate to: The quick brown fox jumped over the lazy dog.

If I use the control word \fox a whole lot in my document, how do I get it to automatically include the {} so I don't have to find and replace every instance of the command I write?

Thank you

asked Aug 03 '19 at 16:11

user1738964

2

Welcome to TeX SX! Add \xspaceafter fox in the command definition (loading the xspace package). – Bernard Aug 03 '19 at 16:33
2

Note this remark, though. – schtandard Aug 03 '19 at 16:39
Or are you asking for a way to actually change your source code? In that case just do a search and replace. – schtandard Aug 03 '19 at 16:44
Ok, I finally got xspace working. It turns out where exactly you place the xspace command in your definition really matters. – user1738964 Aug 03 '19 at 17:02
I have used \xspace for many years but now just use {\fox., This should yield the results you desire without requiring\xspace`. – Peter Grill Aug 03 '19 at 19:16
1

@user1738964 obviously you have to use \xspace as the last thing in the definition, otherwise it does nothing useful. – David Carlisle Aug 03 '19 at 20:34

How do I get latex to add {} after a control word so that post-command spacing is preserve?

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