Commit Friday evening.

PDFA and EXFO Laser are now part of the family

Functions/helper_functions_community/mat2tikz/test/private/m2troot.m

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+function rootpath = m2troot(varargin)
+    % M2TROOT produces paths inside the matlab2tikz repository
+    %
+    % Usage:
+    %   There are two ways to call this function, the base syntax is:
+    %
+    %       * rootpath = m2troot()
+    %
+    %   where |rootpath|  points towards the root of the repository.
+    %   
+    %   The other syntax:
+    %
+    %       * path = m2troot(...)
+    %   
+    %    is equivalent to |fullfile(m2troot, ...)| and as such allows to 
+    %    easily produce a path to any file within the repository.
+    
+    m2t = which('matlab2tikz');
+    if isempty(m2t)
+        error('M2TRoot:NotFound', 'Matlab2tikz was not found on the PATH!')
+    end
+    
+    [srcpath] = fileparts(m2t);  % this should be $(m2troot)/src
+    [rootpath, srcdir] = fileparts(srcpath); % this should be $(m2troot)
+    assert(strcmpi(srcdir,'src'));
+    
+    if nargin >= 1
+        rootpath = fullfile(rootpath, varargin{:});
+    end
+end