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.Dd January 30, 2015
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.Dt UNEXPAND 1
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.Os sbase
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.Sh NAME
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.Nm unexpand
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.Nd convert blanks to tabs
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.Sh SYNOPSIS
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.Nm
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.Op Fl a
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.Op Fl t Ar n
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.Op Ar file ...
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.Sh DESCRIPTION
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.Nm
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processes the named
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.Ar files
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or the standard input, writing the
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standard output with consecutive blanks (spaces and tabs) converted
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into tabs. Backspace characters are preserved into the output and
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decrement the column count for tab calculations.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl a
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Convert blanks to tabs everywhere, not just at the start of lines.
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.It Fl t Ar n
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Set tab size to
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.Ar n
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spaces (default: 8).
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.El
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.Sh SEE ALSO
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.Xr expand 1
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