fixed and improving formatting in opencv2refman.pdf. added support for n-channel mask in Mat::copyTo() and n-channel images in cv::compare(). fixed 2 compile warnings in opencv_python.

doc/patch_refman_latex.py

@@ -0,0 +1,22 @@
+import sys
+
+f=open(sys.argv[1], "rt")
+ll = list(f.readlines())
+f.close()
+f=open(sys.argv[1], "wt")
+singleparam = False
+
+for l in ll:
+    l = l.replace("\\code{~const}}{}", "}{\\code{~const}}")
+    if l.startswith("\\item[{Parameters}] \\leavevmode"):
+        if not l.startswith("\\item[{Parameters}] \\leavevmode\\begin{itemize}"):
+            singleparam = True
+        l = "\\item[{Parameters}] \\leavevmode\\begin{itemize}[label=]\n"
+        if singleparam:
+            l += "\\item {}\n"
+    elif singleparam and l.startswith("\\end{description}\\end{quote}"):
+        l = "\\end{itemize}\n" + l
+        singleparam = False
+    f.write(l)
+
+f.close()