gnuplot / Bugs / #2826 Part of letters missing from ylabel/y2label

A portable, multi-platform, command-line driven graphing utility

#2826 Part of letters missing from ylabel/y2label

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Status: closed-duplicate

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Updated: 4 days ago

Created: 5 days ago

Creator: Daniel Dan K.

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Hello,

this issue is not limited to 6.0.3 and can be observed in earlier versions.
It may be limited to Windows, though. My terminal settings are "wxt 0 enhanced".

If I run these commands:

set ylabel 'HHH III MMM NNN' font ",10"
set y2label 'HHH III MMM NNN' font "\",10\""
plot x

I get the result as reproduced in the attached screenshot. As you can see, parts of the letters of ylabel are missing.

I wonder why this is.

Note that I can somehow "work-around" this issue by putting the size option into additional quotes, see y2label in the screenshot.

Thanks.
Daniel

PS: This issue has been reported on SO earlier.

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Screenshot 2025-08-19 092533.png

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Description has changed:

Diff:

--- old
+++ new
@@ -1,7 +1,7 @@
 Hello,

 this issue is not limited to 6.0.3 and can be observed in earlier versions.
-It may be limited to Windows, though.
+It may be limited to Windows, though. My terminal settings are &#34;wxt 0 enhanced&#34;.

 If I run these commands:

@@ -11,13 +11,15 @@
 plot x
 ~~~

-I get the following result, screenshot is attached. As you can see, parts of the letters of **ylabel** are missing.
+I get the result as reproduced in the attached screenshot. As you can see, parts of the letters of **ylabel** are missing.

-I can somehow &#34;work-around&#34; this issue by putting the size option into additional quotes, see **y2label**. The y2label is printed fine.
+I wonder why this is.

-I wonder why this is? Any idea how to fix this?
+Note that I can somehow &#34;work-around&#34; this issue by putting the size option into additional quotes, see y2label in the screenshot.
+
+
 Thanks.
 Daniel


-PS: This issue has been reported on SO earlier.
+PS: This issue has been reported on [SO](https://stackoverflow.com/questions/50466261/part-of-capital-letter-n-is-missing-in-ylabel-in-pngcairo-format-in-gnuplot) earlier.

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Tatsuro MATSUOKA - 5 days ago

It may be related to the below
https://sourceforge.net/p/gnuplot/bugs/2397/
If I set the environment variable PANGOCAIRO_BACKEND=fc (fontconfig) it seems to be better.

Last edit: Tatsuro MATSUOKA 4 days ago

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- Daniel Dan K. - 4 days ago
  
  Thanks, setting this environment variable fixes this issue for me. 👍
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Ethan Merritt - 4 days ago

status: open --> closed-duplicate
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Part of letters missing from ylabel/y2label

A portable, multi-platform, command-line driven graphing utility

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#2826 Part of letters missing from ylabel/y2label

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