ChangeLog is no longer maintained since switching to the git repository.
Please see
http://ngspice.git.sourceforge.net/git/gitweb.cgi?p=ngspice/ngspice-manuals;a=summary
for the manual code history.

2012-02-20 Holger Vogt
 * new commands mdump, mrdump, small updates, Lyx 1.6

2012-02-19 Dietmar Warning
 * temperature model for asrc, expression based resistor, capacitor and inductor

2012-02-17 Holger Vogt
 * update chapt. 32

2012-02-11 Holger Vogt
 * update chapt. 16.4

2012-02-03 Holger Vogt
 * small update chapt. 2.2.4
 
 ============================ ngspice-24 ==================================

2012-01-28 Robert Larice
  fix incompatibility with lyx 1.6
  caused by an empty layout section:
    \begin_layout Standard
    \end_layout

2012-01-27 Holger Vogt
 * small updates, prepare release 24

2012-01-15 Holger Vogt
 * 16.11

2012-01-01 Holger Vogt
 * 16.11, 31.2.7

2012-01-01 Holger Vogt
 * 2.10, 16.13

2011-12-26 Holger Vogt
 * floor, ceil functions

2011-12-25 Holger Vogt
 * compatibility chapt. 16.13

2011-12-21 Holger Vogt
 * usage of int_ic in s_xfer chapt. 12.2.16
 * update chapts. 5.2, 5.3: E- or G-Source with TABLE

2011-12-17 Holger Vogt
 * error handling chapt. 18.5
 * chapt. 5.2, 5.3

2011-12-10 Holger Vogt
 * updates to chapts. 15 and 17

2011-12-07 Holger Vogt
 * new 12.2.9 multi_input_pwl block

2011-11-27 Holger Vogt
 * new 17.4.44 Remcirc

2011-11-26 Holger Vogt
 * new 17.7.8 Output redirection

2011-11-20 Holger Vogt
 * small update in intro

2011-11-05 Holger Vogt
 * small update to chapt. 31, 32

2011-11-01 Holger Vogt
 * small update to chapt. 31

2011-10-30 Holger Vogt
 * hisim_hv 1.2.2 in chapt. 11.2.14

2011-10-29 Holger Vogt
 * small updates to chapts. 2 and 6

2011-10-22 Holger Vogt
 * bug no. 3426444
 * conversion to lyx16 improved

2011-10-17 Holger Vogt
 * moved back to lyx16 format for compatibility with debian stable
 * small addition to 17.4.40

2011-10-03 Holger Vogt
 * small corrections

2011-10-02 Holger Vogt
 * chapt. 17.4.4 altermod updated
 * chapt. 22.5.2 ASCO inv updated

2011-09-18 Holger Vogt
 * chapt. 17.4.4 altermod updated

2011-09-16 Holger Vogt
 * chapt. 22 updated

2011-09-15 Holger Vogt
 * chapt. 17.4.59 60 update on show, showmod

2011-09-14 Holger Vogt
 * chapt. 17.4.4 update on altermod

2011-09-11 Holger Vogt
 * chapt. 22 extended by op-amp example

2011-09-09 Holger Vogt
 * new chapt. 22 on circuit optimization inserted
 * several typos removed

2011-08-30 Holger Vogt
 * chapt. 26.4

2011-08-29 Holger Vogt
 * chapt. 26

2011-08-28 Holger Vogt
 * chapt. 23, 26
 * images/XSPICE-Toplevel.gif

2011-08-27 Holger Vogt
 * chapt. 24.3 on how to create new code models
 * chapt. 26  on how to create new code models

2011-08-26 Holger Vogt
 * 29 device parameters from nested subcircuits

2011-08-09 Holger Vogt
 * 18.6 on Gnuplot added

2011-08-09 Holger Vogt
 * 15.3 uic to end of line

2011-08-06 Holger Vogt
 * add fcn cph(vector) to chapt. 17.1

2011-08-04 Paolo Nenzi
 * Added manual entries for PSS as written by Stefano Perticaroli and added
 * Stefano to ngspice contributors.
 * lyx updated to version 2.0 (not backward compatible).

2011-07-17 Holger Vogt
 * new fcns sinh, cosh, tanh chapt. 17

2011-07-16 Holger Vogt
 * Update chapt. 18

2011-07-10 Holger Vogt
 * 17.1 add NGSPICE_INPUT_DIR

2011-07-09 Holger Vogt
 * Update to chapters 20, 25

2011-07-03 Holger Vogt
 * 7.3

2011-06-23 Holger Vogt
 * new code model 'filesource'

2011-06-23 Holger Vogt
 * BSIM4.7

2011-06-05 Holger Vogt
 * update command 'destroy'

 ============================ ngspice-23 ==================================
2011-06-01 Holger Vogt
 * bug no. 3310132 fixed

2011-05-29 Holger Vogt
 * prepare for release 23

2011-05-24 Holger Vogt
 * update to MOS models (HiSIM)

2011-05-07  Dietmar Warning
 * MOS instance parameter delvto and mulu0
 * First binning description

2011-05-04  Dietmar Warning
 * update of MOS table, add HiSIM HV model

2011-04-12  Dietmar Warning
 * update of MOS table

2011-03-18  Dietmar Warning
 * bjt nkf introduction

2011-03-16 Holger Vogt
 * 17.4.33 par('expression') not applicable

2011-03-05 Holger Vogt
 * 24.2.1.4 supply ramping updated

2011-02-22  Dietmar Warning
 * diode & bjt temperature model update

2011-02-22  Holger Vogt
 * Parameter sweep 17.7

2011-02-19  Holger Vogt
 * .measure 15.4

2011-02-15  Holger Vogt
 * CIDER manual, chapt. 28

2011-02-12  Holger Vogt
 * chapt. 21 on statistical analyis, various updates
 * new images added

2011-01-23  Holger Vogt
 * add 2 images, chapt. 27

2011-01-21  Holger Vogt
 * chapt. 22 update

2011-01-19  Holger Vogt
 * chapt. 25, example 3 update

2011-01-16  Holger Vogt
 * 4.1.8 TRRANDOM option to voltage source added

2011-01-11  Holger Vogt
 * 15.4.7 .width

2011-01-09  Holger Vogt
 * small updates

2011-01-08  Holger Vogt
 * 17.4.9 command 'cdump'

2011-01-03  Holger Vogt
 * small updates

2011-01-01  Holger Vogt
 * small updates

2011-01-01  Holger Vogt
 * new format (12 pt, Times Roman)
 * several updates

2010-12-29  Holger Vogt
 * 2.8.5 new functions for numparam

2010-12-25  Holger Vogt
 * 16.3.10 update to RTS transient noise

2010-12-18  Holger Vogt
 * 4.2.6, 16.3.10 RTS transient noise

2010-12-17  Holger Vogt
 * update 4.2.6

2010-12-13  Holger Vogt
 * chapt. 4.2.6

2010-12-11  Holger Vogt
 * chapt. 6.1

2010-11-27  Holger Vogt
 * 13.2.21 controlled one-shot
 * 4.2.6, 16.3.10 transient noise

2010-11-13  Holger Vogt
 * 3.2.14, 3.2.15 switch
 * 13.2.21 controlled one-shot

2010-11-01  Holger Vogt
 * 10.2.2 Modified Parker Skellern model

2010-10-31  Dietmar Warning
 * few corrections in 16.1.3

2010-10-25  Holger Vogt
 * 'linearize' only in ngspice

2010-10-25  Holger Vogt
 * scattering parameters in chapt. 18.9.2

2010-10-16  Holger Vogt
 * scattering parameters in chapt. 18.9
 * new command wrs2p in chapt. 18.4.75

2010-10-15  Holger Vogt
 * more on licenses (now chapt. 32)

2010-10-13  Dietmar Warning
 * trtol setting if xspice enabled and no 'A' devices

2010-10-12  Holger Vogt
 * on licenses (readline linking)

2010-10-09  Holger Vogt
 * more on Monte Carlo (18.8)

2010-10-05  Dietmar Warning
 * small corrections regarding mos9 and adms

2010-10-03  Holger Vogt
 * decription on .ac and ac

2010-09-23  Holger Vogt
 * ngspice-22

2010-09-20  Holger Vogt
 * chapt. 2.8.1

2010-09-19  Holger Vogt
 * MINGW 64 bit support

2010-09-11  Holger Vogt
 * more on .measure 16.3.10

2010-09-08  Holger Vogt
 * start with .measure 16.3.10

2010-09-06  Holger Vogt
 * still version 21plus
 * 18.4.35 plot alli allv ally

2010-09-06  Holger Vogt
 * Version 22

2010-09-05  Holger Vogt
 * 18.4.50 Setscale

2010-09-02  Holger Vogt
 * 18.8 Monte-Carlo Simulation

2010-08-28  Holger Vogt
 * update 18.4, 18.7

2010-08-25  Holger Vogt
 * update 2.10

2010-08-24  Holger Vogt
 * tf, pipe, server etc.

2010-08-22  Holger Vogt
 * JFET, MESFET

2010-08-19  Holger Vogt
 * 17.2 Where to get ngspice

2010-08-17  Holger Vogt
 * Add a new chapter 14 on adms

2010-07-17  Holger Vogt
 * deftype 17.4.13 (already existing in ngspice)

2010-07-11  Holger Vogt
 * Chapt. 15.1.6 on options, new command 'option' 17.4.33

2010-07-11  Holger Vogt
 * Chapt. 16.7 update on trtol

2010-07-10  Holger Vogt
 * Chapt. 15.4.6 par('expression'): Algebraic expressions for output

2010-07-08  Holger Vogt
 * Chapt. 16.7 on simulation time added

2010-07-02  Holger Vogt
 * Chapt. 17.7.5 Example script 'spectrum'

2010-07-02  Holger Vogt
 * Chapt. 2.2.1 .TITLE added
 * Chapt. 16 BSOI OpenMP added
 * Chapt. 2.10 on parameters, non-linear sources and control
   scripts

2010-06-28  Holger Vogt
 * Chapt. 16.7 on OpenMP BSIM4 added

2010-06-22  Holger Vogt
 * version 21plus

****************** rework-21 *******************

2010-06-20  Holger Vogt
 * manual.lyx, COPYING: copyright updates
 * NEWS small intro

2010-06-20  Robert Larice
 * Makefile:
	removed
 * .cvsignore,
 * AUTHORS, COPYING, NEWS, README,
 * INSTALL,
 * config/install-sh, config/missing,
 * Makefile.am, configure.ac,
	new files
	ng-spice-manual is a package of its own now.

2010-06-20 Holger Vogt
 * SOI stag model level number added

2010-06-16 Holger Vogt
 * Some corrections to chap. 16

2010-06-14 Holger Vogt
 * Final Update version 21, add chapter on environmental
   variables

2010-06-12  Robert Larice
* Add  capability to generate the pdf
* Add  capability to upload the pdf

2010-06-12 Holger Vogt
 * Remove pdf binary

2010-06-10 Holger Vogt
 * Version 21

2010-06-05 Holger Vogt
 * various updates (chapts. 1, 2 e.a.)

2010-06-05 Holger Vogt
 * update on spinit, .spiceinit and command line options

2010-06-04 Holger Vogt
 * chapt. 17.4.44 small update on 'save' command

2010-05-27 Holger Vogt
 * chapt. 6.1 new example

2010-05-26 Holger Vogt
 * chapt. 27 update on XSPICE api using
   cm_analog_alloc() and cm_event_alloc()

2010-05-18 Holger Vogt
 * update on enabling XSPICE

2010-05-13 Holger Vogt
 * update on vectors, new links added

2010-05-09 Holger Vogt
 * variable ngbehavior, some updates

2010-05-08 Holger Vogt
 * non linear sources (E, G) and non-linear elements
  (R, C, L)

2010-04-06 Holger Vogt
 * update Chapt. 6 (thanks to R. Larice)

2010-04-04 Holger Vogt
 * update .lib, .global, resistor

2010-03-29 Holger Vogt
 * updates in chapt. 17.4

2010-03-27 Holger Vogt
 * reshuffling of chapter, errors removed
 * ngspice start options explained

2010-03-20 Holger Vogt
 * hertz for B source

2010-03-07 Holger Vogt
 * time and temper for B source

2010-03-06 Holger Vogt
 * small updates, fixes

2010-03-02 Holger Vogt
 * option 'param' added to command 'listing'
 * pdf with hyperlinks inside the text

2010-03-01 Dietmar Warning
 * update fft window functions

2010-02-28 Holger Vogt
 * ternary function in B source (chapt. 5.6)

2010-02-27 Holger Vogt
 * Independent voltage source PWL update, Chapt. 4.2.4
 * new command wrdata

2010-01-12 Holger Vogt
 * some updates on the fft and noise commands, section on plots added.

2010-01-27 Dietmar Warning
 * update kspice transmissionline chapter

2010-01-02 Holger Vogt
 * compose command added
   xfont, wfont, wfont_size variables added

2010-01-01 Holger Vogt
 * gnuplot command added

2009-12-31 Holger Vogt
 * update on availabilty and description of internal variables

2009-12-30 Holger Vogt
 * update on variable plotstyle

2009-12-28 Holger Vogt
 * some formatting, update to manual.pdf
   chapters 15, 16 reorganized, started to describe scripting
   spinit, strcmp added

2009-12-22 Dietmar Warning
 * a bit more precise B pwl description

2009-12-19 Holger Vogt
 * update on chapt. 14 .measure
 * update on chapt. 15 save
 * formatting various sections

2009-12-15 Holger Vogt
 * chapt. 14 start describing .measure

2009-12-07 Holger Vogt
 * chapt. 15 command line options updated

2009-12-06 Holger Vogt
 * chapt. 15.3 alter and altermod modified

2009-12-04 Dietmar Warning
 * first trx and cpl descriptions - but more as a placeholder

2009-11-21 Holger Vogt
 * description of .func in chap. 2.9 added.
 * chapter 26 on installation updated

2009-11-21 Holger Vogt
 * chapter 16 on GUIs introduced

2009-11-21 Holger Vogt
 * formatting the output (still much to be done!)
   chapter 15.1 functions added

2009-11-20 Holger Vogt
 * chapter 15.5 description postscript variables updated

2009-11-19 Holger Vogt
 * variable hcopypscolor

2009-11-07 Holger Vogt
 * replace . by _ in several codemodel descriptions
   of chapter 12