[Matplotlib-users] em-dash not correctly displayed in saved pdf when using tex

[Michael Droettboom]

I can't reproduce with matplotlib master, suggesting this bug has already
been fixed.

Mike

On Mon, Dec 28, 2015 at 4:26 AM, Chao-Chin Yang <chaochinyang at icloud.com>
wrote:

> Hi, I am having issues with producing an em-dash in pdf when using tex.  A
> sample script is as below:
>
> #!/usr/bin/env python3
> import matplotlib.pyplot as plt
> import math
> import numpy as np
>
> x = np.linspace(0, 2 * math.pi)
> y = np.cos(x)
>
> plt.plot(x, y)
> plt.suptitle(r"abc --- def")
> plt.savefig("test.pdf")
> plt.show()
>
> I have customized rc parameters:
>
> backend = “TkAgg”
> font.family = “serif”
> text.usetex = True
> image.cmap = “CMRmap"
>
> The plot rendered on screen looks fine.  However, there are some weird
> characters showing up right before the em-dash in the saved pdf, as
> attached here.
>
>
>
> I am using Linux Mint 17.3, and uname -a gives
>
> Linux Eridanus 3.19.0-32-generic #37~14.04.1-Ubuntu SMP Thu Oct 22
> 09:41:40 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> I am using python 3.4.3 + matplotlib 1.3.1, the latter of which is kind of
> old, but still remains the latest in the Ubuntu LTS repository.  On the
> other had, I have installed the texlive-full package, which should include
> all the tex related packages.  My dvipng is 1.14, and my ghostscript is
> 9.10.  I have also tried different backends like Agg or PDF, but it makes
> no difference.
>
> I have tried googling around for similar issues, but had no luck.
>
> It would be very much appreciated If anyone had some idea how this comes
> about.
>
> Sincerely,
> Chao-Chin
>
>
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>
>


-- 
Michael Droettboom
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