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#!/bin/sh
# Exercise the fmt -g option.
# Copyright (C) 2012-2021 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ fmt
cat <<\_EOF_ > base || framework_failure_
@command{fmt} prefers breaking lines at the end of a sentence, and tries to
avoid line breaks after the first word of a sentence or before the last word
of a sentence. A @dfn{sentence break} is defined as either the end of a
paragraph or a word ending in any of @samp{.?!}, followed by two spaces or end
of line, ignoring any intervening parentheses or quotes. Like @TeX{},
@command{fmt} reads entire ''paragraphs'' before choosing line breaks; the
algorithm is a variant of that given by
Donald E. Knuth and Michael F. Plass
in ''Breaking Paragraphs Into Lines'',
@cite{Software---Practice & Experience}
@b{11}, 11 (November 1981), 1119--1184.
_EOF_
fmt -g 60 -w 72 base > out || fail=1
cat <<\_EOF_ > exp || framework_failure_
@command{fmt} prefers breaking lines at the end of a sentence,
and tries to avoid line breaks after the first word of a sentence
or before the last word of a sentence. A @dfn{sentence break}
is defined as either the end of a paragraph or a word ending
in any of @samp{.?!}, followed by two spaces or end of line,
ignoring any intervening parentheses or quotes. Like @TeX{},
@command{fmt} reads entire ''paragraphs'' before choosing line
breaks; the algorithm is a variant of that given by Donald
E. Knuth and Michael F. Plass in ''Breaking Paragraphs Into
Lines'', @cite{Software---Practice & Experience} @b{11}, 11
(November 1981), 1119--1184.
_EOF_
compare exp out || fail=1
Exit $fail
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