[Octave-bug-tracker] [bug #55859] signal zplane.m latex markup needs $ delimiters

[Robert Jenssen]

URL:
  <https://savannah.gnu.org/bugs/?55859>

                 Summary: signal zplane.m latex markup needs $ delimiters
                 Project: GNU Octave
            Submitted by: morgawr
            Submitted on: Fri 08 Mar 2019 12:42:36 AM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: other
        Operating System: GNU/Linux

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Details:

See [https://savannah.gnu.org/bugs/index.php?50130#comment2]

For inst/zplane.m in the repository version of the signal package 
octave-signal-f050d888e7efe5327e5ed702aed77a8d24448616.zip
with the pdflatex device in gnuplot, I need the following patch 
to get my LaTeX document to compile:


--- signal-tip.orig/inst/zplane.m       2019-03-07 15:02:59.000000000 +1100
+++ signal-tip/inst/zplane.m    2019-03-08 11:25:06.302971935 +1100
@@ -115,7 +115,7 @@
       for i = 1:length (x_u)
         n = sum (x_u(i) == x(:,c));
         if (n > 1)
-          label = sprintf (" ^%d", n);
+          label = sprintf (" $^%d$", n);
           text (real (x_u(i)), imag (x_u(i)), label, "color", color);
         endif
       endfor





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