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-#!/bin/sh
-
-# reindent a libpng C source
-
-# COPYRIGHT: Written by Glenn Randers-Pehrson, 2016.
-# To the extent possible under law, the author has waived all copyright and
-# related or neighboring rights to this work. This work is published from:
-# United States.
-
-# Usage:
-# reindent inputtabsize outputtabsize inputcontinuestring outputcontinuestring
-#
-# Assumes that continued lines begin with indentation plus one space, and
-# that continued comments begin with indentation plus " *".
-#
-# eg, to change libpng coding style from 3-space indentation with 4-space
-# continuations to 4-space indentation with 2-space continuations:
-#
-# reindent 3 4 "\t " " " < example.c > example.c_4_2
-# and to restore the file back to libpng coding style
-# reindent 4 3 " " " " < example.c_4_2 > example.c_3_4
-
-unexpand --first-only --t $1 | \
- sed -e "/^ *$3[^\*]/{s/$3/$4/}" | \
- expand -t $2