<div dir="ltr"><div><div><span style="font-family:arial,helvetica,sans-serif"><font>I am using xelatex on Ubuntu (xubuntu, actually) linux to typeset a Tamil document. Most characters display correctly in the pdf generated by xelatex. The unicode consonant ஶ displays okay, but when combined with vowels, the display screws up. E.g. when combined with the vowel <span style="color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline" id="docs-internal-guid-5a031fc9-58a8-4b9d-2bd0-686dfa633d26">இ, I am supposed to get ஶி ; however, the xelatex pdf output shows ஶ◌ி ; i.e. a spurious dotted circle appears between the consonant and the vowel. The same combined character displays fine on a unicode compatible editor such as gedit. All consonants other than </span></font></span><span style="font-family:arial,helvetica,sans-serif"><font><span style="color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline" id="docs-internal-guid-5a031fc9-58a8-4b9d-2bd0-686dfa633d26"><span style="font-family:arial,helvetica,sans-serif"><font>ஶ </font></span>combine correctly with vowels. Moreover, I don't see the problem in the pdf output of xelatex on a Windows machine with Cygwin. There xelatex seems to do fine. It's only on *buntu linux that I see a problem. Any help or bug fixes are appreciated.<br>
<br></span></font></span></div><span style="font-family:arial,helvetica,sans-serif"><font><span style="color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline" id="docs-internal-guid-5a031fc9-58a8-4b9d-2bd0-686dfa633d26">The latex header that I use is <br>
<br>\documentclass [a4paper] {article}<br>\usepackage {fontspec}<br>\usepackage {xunicode}<br>\setmainfont[Script=Tamil]{Lohit Tamil}<br></span></font></span></div><span style="font-family:arial,helvetica,sans-serif"><font><span style="color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline" id="docs-internal-guid-5a031fc9-58a8-4b9d-2bd0-686dfa633d26">\begin {document}<br>
...<br>...<br></span></font></span><div><span style="font-family:arial,helvetica,sans-serif"><font><span style="color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline" id="docs-internal-guid-5a031fc9-58a8-4b9d-2bd0-686dfa633d26"><br>
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