[dviout] Settings of dviout in TeX Live

[KUROKI Yusuke]

Hello, the list,

In the current settings of dviout in TL, users could not
reuse their own settings even if he/she intended to
save them. because runscript.tlu calls tlpkg/dviout
with '-NULL' option.  TL's basic policy seems that
TL makes efforts to provide well-customized initial settings
 for users, but also provides users with some ways to
change the initial settings.  To follow the policy,
I would like to offer a solution for dviout.

Solution is as follows:
- patches the attached runscript.tlu.patch to bin/win32/runscript.tlu, and
- put the attached install.par in 2013/tlpkg/dviout directory.
After this change, users can change any settings except
Font2/gen, Font/TEXROOT, and Graphic/gsx.
Since the exceptions relate to the absolute path
in the TL tree, it is natural that TL guess them and
override them every time (by runscript.tlu).
Other Resolution/dpi and Font/TEXPK settings
should be free to change but should be provided
well-customized way, then these two settings are
written in install.par.
When a user saves the settings on each TAB of
dviout -> Option -> Setup Parameters,
the settings on the TAB are saved in the registry of
the user: it is desired operation of dviout.

Would you apply the proposed solution?

All the Best,
-- Yusuke
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