New on CTAN: rulerbox

2019-04-19 Thread CTAN Announcements
Yuchang Yang submitted the

rulerbox

package.

Version number: 1.01 2019-04-18
License type: lppl1.3c

Summary description: Draw rulers around a box

Announcement text:
--


`rulerbox` is a LaTeX package for drawing rulers around a box. This might 
be useful when showing the absolute size of something in electronic 
documents, or designating the relative scale in printed materials.


--

This package is located at 
   http://mirror.ctan.org/macros/latex/contrib/rulerbox

More information is at
   https://www.ctan.org/pkg/rulerbox



   Thanks for the upload.

 For the CTAN Team
Erik Braun



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Please join a users group; see http://www.tug.org/usergroups.html .
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CTAN update: chemfig

2019-04-19 Thread CTAN Announcements
Christian Tellechea submitted an update to the

chemfig

package.

Version number: 1.4
License type: lppl1.3c

Summary description: Draw molecules with easy syntax

Announcement text:
--


chemfig v1.4

- many bugs are fixed
- the private character in the macro name is no longer "@" but
  becomes "_" and the prefix of private macros is now "\CF_"
  IMPORTANT: this implies for advanced users who have used private
  macros to rename them
- all old macros obsolete for more than a year are no longer
  defined and will throw a compilation error if used:
  \setcrambond, \setatomsep, \setbondoffset, \setdoublesep,
  \setangleincrement, \enablefixedbondlength,
  \disablefixedbondlength, \setnodestyle, \setbondstyle,
  \setlewis, \setlewisdist, \setstacksep, \setcompoundstyle,
  \setarrowdefault, \setandsign, \setarrowoffset,
  \setcompoundsep, \setarrowlabelsep, \enablebondjoin,
  \disablebondjoin and \schemedebug
  From now on, the macro \setchemfig{=<} should be used
  to set parameters
- the syntax \chemfig*[][]{} is no longer accepted and becomes
  \chemfig[=]{}
- the syntaxes \lewis[]{} and \Lewis[]{}
  are no longer accepted and become \lewis[=]{}
  and \Lewis[=]{}


--

This package is located at 
   http://mirror.ctan.org/macros/generic/chemfig

More information is at
   https://www.ctan.org/pkg/chemfig



   Thanks for the upload.

 For the CTAN Team
Erik Braun



We are supported by the TeX users groups.   
Please join a users group; see http://www.tug.org/usergroups.html .
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