[XeTeX] bidi.sty bug (was flushleft and flushright in amsart.cls)

[VAFA KHALIGHI]

No problem.

It was the cause of other problems for example if you put this code at
permeable of your document

%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhf{}
\fancyhead[RO,LE]{صفحهٔ \thepage}
%%%%%%%%%%%%%%%%%%%%%%%


You want that fancyhead to be printed on the right hand-side of odd pages
and left hand-side of the even pages, but with the current definitions of
raggedright and raggedleft of the bidi.sty, the opposite  happens, so to fix
this you need to have

%%%%%%%%%%%%%%%%%%%%%%
\makeatletter
\def\raggedright{%
  \let\\\@centercr
  \rightskip\z at skip\rightskip\@flushglue
  \parindent\z@\parfillskip\z at skip}

\renewcommand\raggedleft{\@@raggedleft}

\renewcommand\raggedright{\@@raggedright}
\makeatother
%%%%%%%%%%%%%%%%%%%%%%%%%%

You also need to fix \centerline, \rightline and \leftline in bidi.sty as
follow:

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\centerline#1{%
\if at rl\@@line{\hss\beginR #1 \endR\hss}
\else\@@line{\hss#1\hss}\fi}

\def\leftline#1{%
\if at rl\@@line{\beginR #1 \endR\hss}
\else\@@line{#1\hss}\fi}

\def\rightline#1{%
\if at rl\@@line{\hss\beginR #1 \endR}
\else\@@line{\hss#1}\fi}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


Cheers
-- 
``Life is not empty,
There is kindness, there is apple and there is faith

One day will come,
and to a mendicant I will endow a jasmine''

-- Sohrab Sepehri
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