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Created attachment 4397 [details]
screen dump BiDi issue at special:Renameuser · 01.jpg

Dear friends,

we have experienced a lot of BiDi fields overlapping / interfering and many have helped in the past.

The attachment shows that depending of the random content of the fields in specual pages the order of the information is not preserved as would be the case if such lists would be displayed in a tabuler form.

Please take a look at
http://yi.wiktionary.org/w/index.php?title=template:style/ril&action=edit&uselang=en&oldid=10754
where the content is
&lrm;<span style="direction: ltr; {{{optional_style|}}}" >{{{ril|parameter « ril »  not defined}}}</span>&lrm;

« ril » is an abreviation for RTL (right to left text) inside a LTR (left to right) text.

if only RTL characters are assigned to the parameter « ril » these cherecters will (as far as I have experienced) never ever be dispayed outside of the block (here the span).

Example: compare uselang=foo at

http://www.omegawiki.org/Meta:Special_pages/%21list?uselang=en
http://www.omegawiki.org/Meta:Special_pages/%21list?uselang=ar
http://www.omegawiki.org/Meta:Special_pages/%21list?uselang=fa
http://www.omegawiki.org/Meta:Special_pages/%21list?uselang=he
http://www.omegawiki.org/Meta:Special_pages/%21list?uselang=yi
etc.

the counterpart is available at
http://yi.wiktionary.org/w/index.php?title=template:style/lir&uselang=en&action=edit&&oldid=10755
where the content is
&rlm;<span style="direction: rtl; {{{optional_style|}}}" >{{{lir|parameter « lir »  not defined}}}</span>&rlm;


The concept is quite old, see
http://www.omegawiki.org/index.php?title=Meta:Portability_of_code&action=history

Best regards Reinhardt [[user:Gangleri]]