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Date: Tue, 17 Apr 2012 10:56:00 -0400 (EDT)
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Subject: [CONF] Apache OpenOffice Community > IP_Clearance Impact
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Space: Apache OpenOffice Community (https://cwiki.apache.org/confluence/display/OOOUSERS)
Page: IP_Clearance Impact (https://cwiki.apache.org/confluence/display/OOOUSERS/IP_Clearance+Impact)

Change Comment:
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updated misc infos for finished replacements

Edited by Herbert Duerr:
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h2. IP Clearance: Impact

The following list describes the impact on GUI level of removal and replacement of libraries as described on the [IP_Clearance|IP_Clearance] page.  Its intended purpose is to keep track of lost or modified functionality.

Changes that may impact users:
|| Library || What is changing || User Impact ||
| lp_solve | lp_solve was replaced by CoinMP \\
\\
\\
\\ | This functionality is invoked by the user in Calc via   Tools->Solver.&nbsp;    It is used for solving linear programming   problems, including integer    programming.\\
 \\
CoinMP comes from the [Coin-OR|http://www.coin-or.org/] open source project, an open source project that involves operations    research professionals and includes cutting edge algorithms. \\
\\
 According to one [research paper|http://www.ceem.unsw.edu.au/content/userDocs/stu-ORMMES06_Benchmarking_20060610_FINAL_CEEM.pdf] CoinMP offers superior performance compared to lp_solve.&nbsp; So the overall user impact from this change should be positive. |
| i18nregexp | i18nregexp was replaced by ICU Regular Expressions. | No major impact for users; regular expressions will work as usual and are faster. The ICU regexp engine provides more [capabilities|http://userguide.icu-project.org/strings/regexp#TOC-Regular-Expression-Operators] such as better unicode support, look-aheads, look-behinds, back-references, better word-boundaries, etc. operators. Some deprecated extended syntax supported in earlier versions may not be available. |
| MySQL Connector/C+\+ | | MySQL connector can only be built when the C+\+ connector is pre-installed on the system.  It will not be part of the binary release. |
| SVG: librsvg, libcroco, libgsf, gdk-pixbuf, glib, gettext, pango | These libraries are being removed from the product.\\ | Instead of using an external SVG rendering library, Apache OpenOffice 3.4 will feature native SVG support, giving high quality, scalable, standards-compliant rendering on screen, print and PDF export.\\ |
| libwpd | The libwpd library has been removed from the product. \\ | The WordPerfect filter ("WordPerfect Document (.wpd)") is not available anymore unless the library is provided by the platform. It depended on version 0.8 of the library anyways so no replacement unless someone creates a filter extension that can be installed separately. |
| fonts (liberation) | These fonts are being removed from the distribution due to an incompatible license. \\ |  Metrically equivalent fonts from Google's ChromeOS have been included as replacements: [Tinos|http://www.google.com/webfonts/specimen/Tinos], [Arimo|http://www.google.com/webfonts/specimen/Arimo] and [Cousine|http://www.google.com/webfonts/specimen/Cousine]. Moreover, users may independently install liberation fonts to their system, in accordance with their license.&nbsp; so there is no further user impact. |
| libneon | The neon library is being removed from the distribution due to an incompatible license. \\ | The neon library is used to for all http based communication including WebDAV. Without a replacement it is for example not possible to insert an image via an http Url. \\
 \\
Libneon has been replaced ([118569|https://issues.apache.org/ooo/show_bug.cgi?id=118569]) by libserf. |
| berkeleydb | The berkeleydb library has being removed from the distribution due to an incompatible license. \\ | The berkeleydb was only used for managing extentions. Originally it was also used for indexing help content. \\
 \\
Managing a handful of extensions using a database was overkill anyways and that is being rectified ([118569|https://issues.apache.org/ooo/show_bug.cgi?id=118662]). The impact is that extensions installed for older versions of OpenOffice have to be re-installed. |
| core, flute, flow-engine, libbase, libfonts, libformula, liblayout, libloader, librepository, libserializer, libxml | Libraries used by the Report Builder extension are being removed due to an incompatible license. | Report Builder extension will not be available unless someone works on it as an external extension.|
| ooo_crystal_images-1.tar.gz \\ ooo_oxygen_images-2009-06-17 | Crystal and Oxygen and Tango icons sets removed. | These were used by XOrg as defaults in KDE and Gnome. The user can still choose other icon sets like galaxy. |

Changes with impact for developers but not for users:
|| Library || What is changing || Developer Impact ||
| glibc | glibc is being removed from the product \\ | No impact for user. If needed, developers will have to bring their own portable getopt() function to parse command lines (APR has one). |
| dmake | dmake source code has been removed. | The configure script has to be told where to find the dmake source (URL, path). |
| epm | epm source code has been removed. | The configure script has to be told where to find the epm source (URL, path) or to build just the archives. |
| cppunit | cppunit source code has been removed. | cppunit tests have never been part of binary packages, therefore there is no impact for users.  Developers have to install it manually in order to use it during development. |

Changes without any impact:
|| Library || What is changing || Remarks ||
| dictionaries | The dictionaries have been removed from SVN. | Precompiled dictionary extensions can still be installed from the extension repository.  When we figure out how to bundle them with the install set, there should be no visible impact for the user. |
| cups | The cups source code has been removed. | It was not used (anymore), so no impact at all. |
| rhino | The rhino library will be updated to current version 1.7R3 which eliminates the use of the conflicting swingEx library. | Newer library should improve usability. |
| xpdf | The xpdf source code was removed. | No impact for final users, since this only affected an extension. PDF import can only be built when the poppler library is pre-installed on the system.  It will not be part of the binary release. |


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