#!/usr/bin/env python
#
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
When an inclusion's optional argument (enclosed in square brackets:
[]) spans multiple lines (via comment wrapping), ensure that the LaTeX
Scanner doesn't throw an IndexError.

An example of this in the wild is in Thomas Heim's epsdice LaTeX package:
  \includegraphics[height=1.75ex,viewport= 3 4 38 39,%
  clip=true]{\dicefile}%
In epsdice 2007/02/15, v. 2.1.
"""

import TestSCons

_exe = TestSCons._exe

test = TestSCons.TestSCons()

latex = test.where_is('latex')

if not latex:
    test.skip_test("Could not find latex; skipping test(s).\n")

test.write('SConstruct', """\
import os
env = Environment(ENV = { 'PATH' : os.environ['PATH'] })
env.DVI('root.tex')
""")

test.write('root.tex',
r"""\documentclass{article}
\usepackage{graphicx}
\begin{document}
  \includegraphics[height=1.75ex,%
  clip=true]{square}
\end{document}
""")

# Dummy EPS file drawing a square
test.write('square.eps',
r"""%!PS-Adobe-2.0 EPSF-1.2
%%BoundingBox: 0 0 20 20
 newpath
  5 5 moveto
 15 5 lineto
 15 15 lineto
 5 15 lineto
 5  5 lineto
 stroke
%%EOF
""")

test.run(arguments = '.')

test.must_exist(test.workpath('root.dvi'))
test.must_exist(test.workpath('root.log'))

test.pass_test()

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