util: fix default termwidth() under Windows sys.stdout.write('-'*80 + '\n') or sys.stdout.write('-'*80 + '\r') do not work on Windows as they do on unix. On a 80 columns Windows console, the extra CR or LF are interpreted as if belonging to the next line, so the first command displays 2 lines (only one on unix) and the second one leave the line visible and move back to the following line. To avoid this, we sacrifice one column under Windows.

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#!/bin/sh

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hg init

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cat > a <<EOF

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a

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b

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c

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EOF

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hg ci -Am adda

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cat > a <<EOF

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d

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e

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f

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EOF

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hg ci -m moda

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hg diff --reverse -r0 -r1

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cat >> a <<EOF

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g

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h

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EOF

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hg diff --reverse --nodates