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* Changes in Specialized Modes and Packages in Emacs 24.4
+** Delphi mode is now called OPascal mode.
+*** All delphi-* variables and functions have been renamed to opascal-*.
+*** `delphi-newline-always-indents' is not supported any more
+use `electric-indent-mode' instead.
+*** `delphi-tab' is gone, replaced by `indent-for-tab-command'.
+
** jit-lock-debug-mode lets you use the debuggers on code run via jit-lock.
** completing-read-multiple's separator can now be a regexp.
The value (YEAR MONTH DAY) means to start using the Gregorian calendar
on the given date.
+*** Support for ISO 8601 dates.
+
** ERC
*** New option `erc-accidental-paste-threshold-seconds'.
it works like the utility `uniq'. Otherwise by default it deletes
duplicate lines everywhere in the region without regard to adjacency.
+** New `cycle-spacing' command allows cycling between having just one
+space, no spaces, or reverting to the original spacing. Like
+`just-one-space' command it can handle or ignore newlines and
+leave different number of spaces.
+
** Tramp
+++
*** New connection method "adb", which allows to access Android
*** Option `Buffer-menu-buffer+size-width' is now obsolete.
Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead.
+** Calc
+
+*** Algebraic simplification mode is now the default.
+To restrict to the limited simplifications given by the former
+default simplification mode, use `m I'.
+
** Calendar
*** You can customize the header text that appears above each calendar month.
*** The default browser used by the package is now the "xdg-open" program,
on platforms that support it. This calls your desktop's preferred browser.
+** Calc
+
+*** Support for musical notes.
+
+*** Support for logarithmic units.
+
+*** No longer uses the tex prefix for TeX specific unit names when
+using TeX or LaTeX mode.
+
+*** New option to highlight selections using faces.
+
+*** `calc-histogram' has the option of using a vector to determine the bins.
+
+*** New "O" option prefix.
+
+*** Use the "O" prefix to "d r" (`calc-radix') to turn on twos-complement mode.
+
** Calendar, Diary, and Appt
*** Diary entries can contain non-printing "comments".