[Bug-plotutils] [patch] legend feature for graph

[Daniel Llorens]

Hello,

Sorry if features are OT here, I couldn't find a -user or -devel mailing list.

The attached patches add a legend feature to GNU graph. There are new 
arguments: --legend (per dataset), --place-legend x y, --legend-font-size 
(global).

There is also a new parameter --line-color to give this explicitly to a dataset 
regardless of line style.

The patches are on top of plotutils 2.6.

This is a hack for my own use, which is through a wrapper for the most part. 
I'm not aware of having broken anything, but that can always happen. I'm 
posting the patches just in case someone finds them useful.

Regards,

        Daniel

PS I have uploaded these patches to 
https://gitorious.org/legend-patch-for-gnu-graph

PPS I apologize for the whitespace patch but I have emacs configured to remove 
it and it kept getting in the way when committing :-/

0001-Support-line-color-c.patch
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0002-Rudimentary-legend-feature.patch
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0003-Remove-trailing-whitespace.patch
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0004-Do-not-drop-legend-in-filter-mode.patch
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0005-Allow-x-and-y-float-arguments-to-place-legend.patch
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0006-When-giving-line-color-linemode-is-used-as-line-styl.patch
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