What are the uses of \@bsphack & \@esphack

Asked Jan 14 '15 at 15:25

Active Jan 19 '15 at 15:42

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I see the macro duo:

 \@bsphack ... code ... \@esphack

appearing in different places. I noted that it suppresses spaces around the macro in which these commands are used, but when do you need to use them in your own macros / are there other use cases?

edited Jan 19 '15 at 15:42

asked Jan 14 '15 at 15:25

Pieter Stroobants

2,271

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See http://tex.stackexchange.com/questions/8271/latex-sphack-family-of-commands/8272#8272 also – yannisl Jan 14 '15 at 15:29
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Relevant/related: How to make a command completely empty / invisible / non-existent?, How to define commands that do not consume any space, Patching commands to remove surrounding whitespace – Werner Jan 14 '15 at 15:31

What are the uses of \@bsphack & \@esphack

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