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BXpdfver Package
================
LaTeX: To specify the version and compression level of output PDF files
This package enables users to specify in their sources the following
settings on the PDF document to output:
* PDF version (1.4, 1.5 etc.);
* whether or not to compress streams;
* whether or not to use object streams.
* precision of decimal numbers used in PDF commands
* whether or not to preserve (not shorten) PDF destination names
### SYSTEM REQUIREMENT
* TeX format: LaTeX.
* TeX engine: pdfTeX, XeTeX, LuaTeX, and any DVI-output engines.
* DVI-ware (in DVI mode): dvipdfmx.
* Required packages:
- atbegshi (when using dvipdfmx driver)
### INSTALLATION
- `*.sty` → $TEXMF/tex/latex/BXpdfver
### LICENSE
This package is distributed under the MIT license.
bxpdfver package
----------------
### PACKAGE LOADING
\usepackage[<option>,...]{bxpdfver}
The available options are:
* `1.4`, `1.5`, `1.6`, `1.7` or `2.0`: Sets PDF version.
* `nocompress`: Suppresses stream compression.
* `compress` (default): Does not suppress stream compression.
* `noobjcompress`: Suppresses use of object streams.
* `objcompress` (default): Does not suppress use of object streams.
* Driver options: As below:
+ When using a PDF-output engine, you need not give driver options
since the appropriate one is auto-detected.
+ `dvipdfmx`: Uses dvipdfmx driver.
+ `disabled`/`nodvidriver`: Disables all functions of the package.
* `lenient`: Turns the errors for unsupported features into warnings.
Note that the options `compress` and `objcompress` mean that this
package *does not suppress* a feature. They do not activate a feature
when it is already suppressed by other means.
### USAGE
* `\setpdfversion{<version>}`: Sets PDF version.
Here `<version>` is either one of the following:
+ `1.4`, `1.5`, `1.6`, `1.7` or `2.0`; the version itself.
+ the name of a PDF file; the version is set equal to that of
the given file.
* `\suppresspdfcompression`: Suppresses stream compression.
* `\suppresspdfobjcompression`: Suppresses use of object streams.
* `\setpdfdecimaldigits{<precision>}`: Sets the precision (the number
of digits after decimal points) of the decimal numbers that appear
in PDF command sequences.
* `\preservepdfdestinations`: Stops shortening the PDF destination
names and uses the original names given in the TeX documents. This
is necessary for cross-document links to work correctly.
### NOTE ON DRIVERS
\ Drivers (engines) pdfTeX dvipdfmx
Features / LuaTeX / XeTeX others
--------------------------- --------- --------- ------
\setpdfversion Yes Yes No
\suppresspdfcompression Yes Maybe(*2) No
\suppresspdfobjcompression Yes Maybe(*2) No
\setpdfdecimaldigits Yes Maybe(*2) No
\preservepdfdestinations No-op(*1) Maybe(*2) No
1. In pdfTeX and LuaTeX, PDF destination names are never shortened;
that is, it can be thought as if `\preservepdfdestinations` were
always in effect.
2. These features are available only when the version of (x)dvipdfmx
is 20160307 or later. Also shell escape must be accepted (with or
without restriction) so that `kpsewhich` and `extractbb` will be
allowed to run, because those programs are used in order to detect
the dvipdfmx version.
More notices:
* If you try to use unavailable features, an error will occur.
* The package recognizes some “unsupported” driver options such as
`dvips`; when such drivers are used, use of any feature will cause
an error.
* When `disabled` is used, use of any feature will do nothing (nor
issue an error).
REVISION HISTORY
----------------
* Version 0.5 ‹2020/04/19›
- Suuport PDF version value `2.0`.
* Version 0.4 ‹2017/02/11›
- Add `\setpdfdecimaldigits` and `\preservepdfdestinations`.
* Version 0.3 ‹2016/08/11›
- Supported all features on dvipdfmx/XeTeX.
* Version 0.2b ‹2016/08/10›
- Added the `lenient` option.
- Supported the newer version of LuaTeX.
* Version 0.2a ‹2015/08/05›
- Minor fix.
* Version 0.2 ‹2014/07/04›
- First public version.
--------------------
Takayuki YATO (aka. "ZR")
https://github.com/zr-tex8r
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