Many thanks to you and Han The Thanh. Now that that has sunk in ;-) can I ask about the other feature of PDFTeX, namely the ability to improve line breaking by (to my eye) undetectable changes in the font size for a paragraph? Is there any plan to port this to XeTeX?
In my opinion, once that is done, everybody should switch over to XeTeX. At the current time, I can only recommend that 98% of the people should switch over to XeTeX. --Barry MacKichan On 5/2/2010 5:12 PM, Jonathan Kew wrote: > For those who like to live on the cutting (bleeding?) edge, there is a new > version of xetex available in the source repository. Version 0.9996.0 is now > available from the svn repository at: > > http://scripts.sil.org/svn-public/xetex/BRANCHES/microtype > > This version supports "character protrusion", also known as margin kerning. > The character protrusion feature is enabled by setting the parameter > \XeTeXprotrudechars, equivalent to pdftex's \pdfprotrudechars. > > The protrusion values are set using \lpcode and \rpcode. For TFM fonts, these > work in the same way as the pdftex versions; for non-TFM (i.e. native > TrueType/OpenType) fonts, they accept either a Unicode character code > (prefixed by the keyword "unicode"), a glyph name (prefixed by "name"), or a > glyph number. Thus, in the example: > > \font\x = "Charis SIL" at 10pt > > \rpcode \x unicode "2C = 100 > \rpcode \x name "comma" = 100 > \rpcode \x 15 = 100 > > the three \rpcode lines all have the exact same effect, as the comma glyph in > this font has glyph ID 15. > > In most cases, setting character protrusion values via Unicode codepoints > will be the simplest and most robust approach; glyph names and glyph IDs are > provided for cases such as contextual forms that are not directly accessible > via Unicode character codes. > > Note that LaTeX packages such as pdfcprot and microtype will not > automatically work with this feature, but it should be possible to update > them to recognize the new xetex version and handle it appropriately without > too much difficulty. > > Many thanks to Han The Thanh for his work on this! > > JK > > > > > -------------------------------------------------- > Subscriptions, Archive, and List information, etc.: > http://tug.org/mailman/listinfo/xetex > > >
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