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Change log for Maxima 5.15.0.

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+ Maxima 5.15.0 change log
+ Compiled 2008-04-05
+
+
+ Backwards-incompatible changes:
+
+ * Disable verb => numerical evaluation scheme for math functions
+
+
+ Major changes:
+
+ * User interface Imaxima now packaged with Maxima
+
+
+ New items in share:
+
+ * share/contrib/bitwise: Bitwise operations on integers
+
+ * share/contrib/noninteractive: Catch asksign and askprop questions
+ and turn them into conditional expressions
+
+ * share/contrib/namespaces: A namespace implementation for Maxima
+
+ * share/contrib/amatrix: Matrix with underlying Lisp array
+
+
+ Other revisions:
+
+ * gf package: New version of gf package (Galois fields)
+
+ * tex function: Enable TeX output to output stream
+
+ * stringproc package: Revised printf; regex functions
+
+ * ezunits package: Dimensional analysis; physical constants
+
+ * quadpack functions: Return partially-evaluated expressions
+
+ * plot functions: New options; bug fixes
+
+ * tensor functions: Many improvements
+
+ * graphs package: Improvements
+
+
+
+ Bug fixes:
+
+ * 1924837: integration error
+
+ * 1905668: blockmatrixp(matrix()) --> true
+
+ * 1901199: a polynomial that puts factor() into an infinite loop
+
+ * 1900843: Sign of diff(bessel_k(n,x),x) is wrong
+
+ * 1858797: Do not use the option -a for cp(1) in extract_categories.sh
+
+ * 1848704: no way to convert log(product(...)) to sum(log(...)...)
+
+ * 1848131: integrate fails in sign though integrand is real
+
+ * 1845375: factcomb() in 5.13.0 gives wrong result
+
+ * 1821240: set_partitions documentation
+
+ * 1818645: Compiled maxima code containing $ARRAY gets a Lisp error
+
+ * 1753971: specint gives lisp error
+
+ * 1726148: maybe with prederror : true
+
+ * 1515712: tlimit (x*atan(x)/(x+1),x,inf) => 3 %pi/2, etc
+
+ * 1407378: polarform returns a rectangular expression for float argument
+
+ * 1313987: another quotient by zero bug (GCD problem)
+
+ * 1051437: Trig integral error
+
+ * 902757: taylor(x,[x],inf,...) garbage
+
+ * 887174: genmatrix/lambda translate problem
+
+ * 831445: gcd/subres -- another case
+
+ * 807275: Taylor Illegal log kernel: log(cos(th)) @ %pi/2
+
+ * 789059: simpexpt problem: sign called on imag arg
+
+ * 783668: Missing documentation entries and index entries
+
+ * 686819: genmatrix bug / fix
+
+ * 657382: defint/limit infinite loop
+
+ * 604850: pade produces an error when taylor expr is freeof variable
+
+ * various other bugs
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