Shizuo Fujita comments

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                                            Shizuo Fujita

Add draw_line_over_nil parameter to line graph.

I think polyline method can't handle `nil` value. Ref. https://github.com/topfunky/gruff/issues/83

Documentation is offline

rubyforge.org was closed. Please visit https://rubygems.org/gems/gruff instead. @topfunky , can you update the link in `About` section in repository settings?

Support Fallback fonts

Now, It can't support fallback font at least, because ImageMagick has not supported it.

Oj converting strings that start with ':' to symbols

Looks like that you can solve your issue if you can use v3.11.5 or later. ```ruby irb(main):001:0> require 'oj' => true irb(main):002:0> Oj::VERSION => "3.11.5" irb(main):003:0> Oj.load(Oj.generate(":asdf")) => ":asdf" ```

Oj converting strings that start with ':' to symbols

I will close this issue. If you have another question, please open the issue.

ver1.5.0.rc1, execute method is 30% slower than ver1.4.4

It certainly looks like a problem with SQLite itself, not this gem. sqlite3-1.5.0.rc1 has good performance with `--enable-system-libraries` install option ``` $ rake clean $ rake build sqlite3 1.5.0.rc1 built...

ver1.5.0.rc1, execute method is 30% slower than ver1.4.4

Are there different optimizations when building SQLite 3.39.2 than what is built into the system?

Obsolete Magick.trace_proc=

OK, I see. I'd like to deprecate monitor feature too in order to release GVL https://github.com/rmagick/rmagick/issues/243

Magick::Image.capture always raise exception

Seems this feature depends on XWindow system. We need to show clearly message for the environment without XWindow system.

formats are accessible via passenger server but not avaialbe in rails console.

To process PDF, I think you need to install ghostscript at first because I guess ImageMagick delegate the process to ghostscript.