TeXShop 5.27 – TeX front-end.

TeXShop is a TeX previewer for OS X, written in Cocoa. Since PDF is a native file format on OS X, TeXShop uses “pdftex” and “pdflatex”; rather than “tex” and “latex” to typeset; these programs in the standard teTeX distribution of TeX produce PDF output instead of DVI output.

TeXShop uses TeX Live, a standard distribution of Tex programs maintained by the TeX Users Group (TUG) for Mac OS X, Windows, Linux, and various other Unix machines. The distribution includes tex, latex, dvips, tex fonts, cyrillic fonts, and virtually all other programs and supporting files commonly used in the TeX world. The most recent version of this distribution is maintained for the Mac by the MacTeX TeXnical Working Group of the TeX Users Group and available under the “Obtaining” tab.

The latest TeXShop release, version 3, requires System 10.7 (Lion). An earlier version of TeXShop, version 2, is also maintained and requires System 10.4 (Tiger), although System 10.5 (Leopard) is strongly recommended because it fixes several important bugs in Apple’s PDFKit code, extensively used in TeXShop. Users with systems 10.2 or 10.3 should use TeXShop 1.43, and users with systems 10.0 and 10.1 should use TeXShop 1.19. Both of these versions are available on this site.

TeXShop is distributed under the GPL public license, and thus free.

If TeXShop is quit when files are open, the files appear in their old location the next time TeXShop starts. This behavior depends on the setting “Close windows when quitting an application” in the Desktop and Dock module of System Preferences. Restoring windows sometimes caused a long delay opening TeXShop after rebooting the Mac. This delay was caused by calling “scroll rect to visible” rather than “goto page” when preview window contents were scrolled to their old position. Apparently the first option caused the Mac to render all the pages of the document before opening it. The problem is fixed.
John Collin’s latexmk has been updated to version 4.83.
TeXShop can now syntax color expl3 code. See the chapter on expl3 in the TeXShop Manual, available in the TeXShop Help menu. According to a readme document from the LaTeX3 team, expl3 “provides the foundation on which new additions to the LaTeX kernel and other advanced extensions are built. The commands provided are not intended for use at the document level.” By default, TeXShop syntax colors as usual, but if a new menu item is toggled on, it also syntax colors any expl3 code in the source.

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