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CTAN Update: pst-optexp
by CTAN Announcements 18 Jul '12

18 Jul '12

On Tue, 17 Jul 2012 Christoph Bersch submitted an update to the pst-optexp package. Summary description: Drawing optical experimental setups License type: lppl Announcement text: ---------------------------------------------------------------------- Changes in version 3.1 * Added component fiberbox * Extended connection macros to not required curly braces around node parenthesis any more * Modified fibercollimator to have allowbeaminside=false by default * Extended fiber couplers to allow using only two nodes * Fixed a bug concerning node expressions with drawfiber ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/graphics/pstricks/contrib/pst-optexp . More information is at http://www.ctan.org/pkg/pst-optexp (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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New on CTAN: lastbib
by CTAN Announcements 18 Jul '12

18 Jul '12

On Tue, 17 Jul 2012 Berik I. Tuleuov submitted the lastbib package. Summary description: Allows to use bibliographic references count by new counter LastBib License type: free Announcement text: ---------------------------------------------------------------------- This package is to use bibliographic references count by new counter LastBib, to make things like |... LastBib references in the work| to get `... 25 references in the work' ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/macros/latex/contrib/lastbib . More information is at http://www.ctan.org/pkg/lastbib (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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CTAN Update: randomwalk
by CTAN Announcements 18 Jul '12

18 Jul '12

On Mon, 16 Jul 2012 Bruno Le Floch submitted an update to the randomwalk package. Summary description: Customizable random walks using TikZ License type: lppl Announcement text: ---------------------------------------------------------------------- Update needed to keep in sync with l3kernel update today. ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/macros/latex/contrib/randomwalk . More information is at http://www.ctan.org/pkg/randomwalk (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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CTAN Update: morewrites
by CTAN Announcements 18 Jul '12

18 Jul '12

On Mon, 16 Jul 2012 Bruno Le Floch submitted an update to the morewrites package. Summary description: Always room for a new write License type: lppl Announcement text: ---------------------------------------------------------------------- Update needed to keep in sync with the update of the l3kernel bundle today. ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/macros/latex/contrib/morewrites . More information is at http://www.ctan.org/pkg/morewrites (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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CTAN update: l3kernel, l3packages and l3experimental
by CTAN Announcements 17 Jul '12

17 Jul '12

the daemon sent 3 messages; i've conflated them here. > Names of contributions: l3kernel, l3packages, l3experimental > Author's name: The LaTeX3 Project > Author's email: latex-team(a)latex-project.org > Package version: SVN3990 > Location on CTAN: macros/latex/contrib/l3kernel/ > Summary description: LaTeX3 programming conventions > License type: lppl > > > Announcement text given by the package's contributor: > ---------------------------------------------------------------------- > Snapshot of SVN 3990 > -------------------- > > This snapshot features a number of significant improvements to > expl3. > > *New FPU* > > The entire l3fp module (the LaTeX3 floating point unit) has been > rewritten to allow expandable floating point operations. This > allows the introduction of 'floating point expressions', for > example > > fp_set:Nn l_tmpa_fp { sin ( 3 / 4 ) } > > The older non-expandable operations such as fp_sin:Nn are > therefore deprecated: fp_add:Nn and fp_sub:Nn are retained. > > *Wider review of consistency* > > The team have taken advantage of introduction of the new FPU to > review consistency across the l3kernel modules. This has > resulted in a number of functions being either renamed or > deprecated. These changes have been detailed on the LaTeX-L > list, along with a small number of other deprecations which > reflect a general improvement in the logic of expl3. The > removals are: > > - ExplSyntaxNames(On|Off) > - clist_if_eq:NN(TF) > - clist_use:N, seq_use:N > - msg_two_newlines: > - msg_class_set:nn > - quark_if_recursion_tail_break:(N|n) > - skip_if_infinite_glue:n(TF) > - l_tmpc_int > - <type>_length => <type>_count > - if_num:w => if_int_compare:w > - ior(_str)_(g)to:NN => ior_get(_str):NN > - prg_case_<type>:nnn => <type>_case:nnn > - prg_stepwise_... => int_step_... > - prop_del => prop_remove > - msg_newline: => \ or iow_newline: > > The team have also reviewed the use of x-type arguments in > kernel-defined functions. In some cases, functions had been > given x-type arg specs even though the expansion carried out was > not exactly of this form. This has led to the deprecation of a > one function and renaming of three others: > > - l_if_empty:xTF > - iow_wrap:xnnnN => iow_wrap:nnnN > - str_case:xxn => str_case_x:nnn > - str_if_eq:xx(TF) => str_if_eq_x:nn(TF) > > It also means that some functions have been revised so that the > x-type versions are based on n-type base functions in the > standard way. These are all within the message system. > > *Improving status details* > > The revisions above mean that some modules of l3kernel have now > been reviewed carefully by the team. For those modules, we have > removed the 'Experimental' statement from the description; thus > for example l3int is now simply > > L3 Integers > > rather than > > L3 Experimental integers > > At the same time, there are more experimental additions to be > made to l3kernel which we want to include in the distribution > whilst allowing some flexibility. We also want programmers to be > able to find which functions have this status by reading the > documentation. A new l3candidates module has therefore been > added, and all distributed experimental additions to the kernel > have been moved here. > > *Marking up internal code* > > Separating out functions which are documented and thus generally > usable from those for 'internal' use only is an important part > of the LaTeX3 work. To aid this, the team have introduced a new > convention to indicate all internal material using two > underscore characters. At the same time, an 'extended DocStrip' > program has been added to LaTeX3 to simplify this process. Full > details are included in the documentation. > > In general, making this change should not affect existing code > from third parties. However, some kernel-internal functions may > have been used by others as the status of these was not > previously made clear. The renaming may therefore require > adjustments. Issues in this area should as usual be raised on > the LaTeX-L mailing list. > > *General changes* > > The snapshot includes the usual list of more general changes in l3kernel: > > - The && operator now binds more tightly in boolean expressions > than the || operator, as in other programming languages. > - Breaking mappings and similar structures has been improved so > that the break is always to the appropriate end point. > - Indexing of all structures is now from one, not zero. This > reflects the fact that LaTeX programming is used to support > 'natural' lists and so forth, and so offset indexing is > inappropriate. > - Vertical coffins should now set linewidth and columnwidth > correctly. > - The errorcontextlines primitive is now not altered in > package mode so that users setting are respected. > - Getting and popping from an empty sequence or comma list now > returns q_no_value, consistent with property list behaviour. > - All get and pop operations on property lists, sequences and clists > now support variants with TF branches (i.e., the check for > q_no_value is done internally and the appropriate branch > selected). They are the recommended interfaces for normal use. > - New l_concat:NNN family of functions. > - Added experimental (clist|seq)_use:Nnnn for more nuanced use > of list structures. > - Added .initial:(n|V) to l3keys > - Improved appearance of ...show:n functions at the terminal. > - Updated ox_show:N and new ox_show:Nnn to provide more > information, including full box contents with ox_show:N, > also new ox_log:N and ox_log:Nnn for writing to the log. > - Remove a number of 'expired' functions. > - Native drivers improved to now support pdfTeX 1.30 onward, > matching engine coverage stated for expl3 in general > - Drop loading of color package and load graphics as late as > possible, to avoid option clashes. > - Protected all variants involving an x-type expansion, and > made cs_generate_variant:Nn, the cs_(new|set|gset):Nn > family of functions, and prg_new_protected_conditional:Npnn > more resilient against invalid input. > - Provide two local and two global scratch variables for each > type. > > *xparse* > > - Bug in expandable functions fixed so that they will > correctly accept par tokens is the argument signature is > appropriate. > - Revise definition of 'NoValue' such that it does not use a > document-level token at all. > > ---------------------------------------------------------------------- > > > Users may view the package catalogue entries at > http://mirror.ctan.org/help/Catalogue/entries/l3kernel.html > http://mirror.ctan.org/help/Catalogue/entries/l3packages.html > http://mirror.ctan.org/help/Catalogue/entries/l3experimental.html > or they may browse the packages' directories at > http://mirror.ctan.org/macros/latex/contrib/l3kernel/ > http://mirror.ctan.org/macros/latex/contrib/l3packages/ > http://mirror.ctan.org/macros/latex/contrib/l3experimental/ thanks for the upload; i've installed the new version, and updated the catalogue repository. Robin Fairbairns For the CTAN team

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New on CTAN: frege
by CTAN Announcements 15 Jul '12

15 Jul '12

On Sat, 14 Jul 2012 Quirin Pamp submitted the frege package. Summary description: Latex package for typesetting Frege's Begriffsschrift License type: gpl Announcement text: ---------------------------------------------------------------------- The package frege defines a number of new commands for typesetting fregean Begriffsschrift in LaTeX. It is loosely based on the package begriff with the same purpose. However it offers a number of improvements including better relative lengths of the content stroke with respect to other strokes, content strokes that point at the middle of lines rather than the bottom, a greater width for the assertion stroke as compared to the content stroke, a more intuitive structure for the conditional, greater care taken to allow for the linewidth in the spacing of formulas. ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/macros/latex/contrib/frege . More information is at http://www.ctan.org/pkg/frege (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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CTAN Update: bibleref-french
by CTAN Announcements 15 Jul '12

15 Jul '12

On Sat, 14 Jul 2012 maïeul Rouquette submitted an update to the bibleref-french package. License type: lppl Announcement text: ---------------------------------------------------------------------- Accent on the book of Ésaïe ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/macros/latex/contrib/bibleref-french . More information is at http://www.ctan.org/pkg/bibleref-french (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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Re: dante.ctan.org upload: showcharinbox
by CTAN Announcements 14 Jul '12

14 Jul '12

On Fri, 13 Jul 2012 Vafa Khalighi submitted the showcharinbox package. Summary description: Show characters inside a box License type: lppl Announcement text: ---------------------------------------------------------------------- This package typesets a character inside a box, showing where reference point is. It also displays width, height, and depth information of the character. This produces the output like the one in page 63 of The TeXBook or page 101 of The METAFONTbook. The package is motivated by Knuth macros in file manmac.tex. Please note that using this package means that you should put a character in large size inside a box and putting small size of a character inside the box does not make any sense. ---------------------------------------------------------------------- This package is located at http://mirror.ctan.org/macros/latex/contrib/showcharinbox . More information is at http://www.ctan.org/pkg/showcharinbox (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Rainer Schöpf

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New package on CTAN: biblatex-phys
by CTAN Announcements 12 Jul '12

12 Jul '12

the daemon wrote: > The following information was provided by the package's contributor. > > Name of contribution: biblatex-phys > Author's name: Joseph Wright > Package version: v0.9 > Location on CTAN: macros/latex/contrib/biblatex-contrib/biblatex-phys/ > Summary description: A biblatex implementation of the AIP and APS > bibliography style > License type: lppl > > > Announcement text given by the package's contributor: > ---------------------------------------------------------------------- > The biblatex-phys package provides an implementation of the > bibliography styles of both the AIP and the APS for biblatex. > This implementation follows standard biblatex conventions, and > can be used simply by loading biblatex with the appropriate option > > usepackage[style=phys]{biblatex} > > A demonstration database is provided to show how to format > input for the style. Style options are provided to cover the > minor formatting variations between the AIP and APS bibliography > styles. thanks for the upload; i've installed the new package, and made an entry for it in the catalogue repository. > Users may view the package catalogue entry at > http://www.tex.ac.uk/tex-archive/help/Catalogue/entries/biblatex-phys.html > or they may browse the package directory at > http://www.tex.ac.uk/tex-archive/macros/latex/contrib/biblatex-contrib/bibl… The catalogue entry will have appeared on the web by tomorrow morning (Cambridge time). Robin Fairbairns For the CTAN team

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CTAN and the TeX Directory Structure
by CTAN Announcements 12 Jul '12

12 Jul '12

* TDS layout on CTAN: the problem. CTAN was developed as a means of unifying access to TeX-related material; in pre-CTAN days, packages to use with TeX were dotted on ftp sites around the net, according to the whim of the sites' maintainers. To find a file, you prowled the mailing lists and news groups until someone mentioned the file. CTAN, therefore, provides uniform access to a range of files, and those files may be found at the same place on any conforming CTAN site or mirror. The structure of the directory tree on a CTAN site is designed to ease browsing: packages form the leaf nodes of the tree (either as single files or as directories containing several files). The big distributions can be viewed, in this sense, as packages. Above all, the interested user can browse the tree to find out what CTAN offers. Methods of access have changed, too; CTAN sites originally offered no more than FTP access. Today's archives offer web access as well (and rsync access for mirrors), and the CTAN team and its helpers provide many other related services, including a catalogue, an index of packages by topic (i.e., by subject and usage areas). However, CTAN remains careful not to lose sight of a vital part of its original brief: an archive that users may browse. Separately from the development of CTAN, a TUG working group defined the TeX Directory Structure (TDS), which makes possible TeX systems that offer efficient access to huge numbers of TeX-related files, in an efficient way. Most (if not all) modern TeX distributions lay out files in TDS-compiant way; but constructing a TDS-compliant form of a package is not trivial. How, then, is the user to decide where to put files of a new package? An obvious solution is to provide packages on the archive laid out according to TDS format. Unfortunately, this conflicts with the requirement that people may browse CTAN; TDS layout could have been designed to discourage people from browsing -- it is typically dominated by directories whose only contents are links to other directories. * The CTAN team's solution The CTAN team have decided that packages on the archive shall remain in a browsing-friendly layout. In parallel, a new install tree has been created. The install tree's structure parallels those of the main trees: for any package foo/bar/baz/... on the main tree foo, a TDS-structured ZIP file would be found at install/foo/bar/baz.tds.zip which may be used to update a TeX system. The CTAN team will check that baz.tds.zip correctly covers the package material, when each version of baz is uploaded. The check is not guaranteed to spot every problem, but it detects gross errors (such as updating a file zot.tex in the main tree, but not updating the copy in baz.tds.zip) Note that, in most cases, the usefulness of the .tds.zip is transitory: most modern distributions provide most (free) packages, so that after a day or so, a new (version of a) package will be available via the distribution's update mechanism. * Anomalies. Overall, banishing TDS-format layouts remains our aim, but we can't possibly claim that the policy has always been applied as we would like. All over the archive there are packages that are variously wrong (by our reckoning above). We shall not be correcting these packages, unless new versions are uploaded, or some other imperative arises. Another (inevitable) anomaly is the TeX distributions. CTAN archives provide a repository from which users load a distribution, and which supplies updates as parts of the distribution are upgraded. We do not expect to improve the distributions' layout (that is, any change will come from the distribution managers). The CTAN Team (What is left of it)

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