Commit fc9d21fc authored by Stefan Monnier's avatar Stefan Monnier
Browse files

Try to add some structure by adding a "new functions" topic.

Mention the new `syntax-class' function.
parent c164a7e6
......@@ -2754,12 +2754,10 @@ the command `undefined'. (In earlier Emacs versions, it used
* Lisp Changes in Emacs 22.1
 
---
** easy-mmode-define-global-mode has been renamed to
define-global-minor-mode. The old name remains as an alias.
** New functions, macros, and commands
 
+++
** The new function `filter-buffer-substring' extracts a buffer
*** The new function `filter-buffer-substring' extracts a buffer
substring, passes it through a set of filter functions, and returns
the filtered substring. It is used instead of `buffer-substring' or
`delete-and-extract-region' when copying text into a user-accessible
......@@ -2769,6 +2767,81 @@ list of filter function is specified by the new variable
`buffer-substring-filters' to remove soft newlines from the copied
text.
 
+++
*** (while-no-input BODY...) runs BODY, but only so long as no input
arrives. If the user types or clicks anything, BODY stops as if a
quit had occurred. while-no-input returns the value of BODY, if BODY
finishes. It returns nil if BODY was aborted.
+++
*** New function `looking-back' checks whether a regular expression matches
the text before point. Specifying the LIMIT argument bounds how far
back the match can start; this is a way to keep it from taking too long.
+++
*** New functions `make-progress-reporter', `progress-reporter-update',
`progress-reporter-force-update', `progress-reporter-done', and
`dotimes-with-progress-reporter' provide a simple and efficient way for
a command to present progress messages for the user.
+++
*** The new primitive `get-internal-run-time' returns the processor
run time used by Emacs since start-up.
+++
*** The new function `called-interactively-p' does what many people
have mistakenly believed `interactive-p' did: it returns t if the
calling function was called through `call-interactively'. This should
only be used when you cannot add a new "interactive" argument to the
command.
+++
*** The new function `assoc-string' replaces `assoc-ignore-case' and
`assoc-ignore-representation', which are still available, but have
been declared obsolete.
---
*** New function quail-find-key returns a list of keys to type in the
current input method to input a character.
+++
*** New functions posn-at-point and posn-at-x-y return
click-event-style position information for a given visible buffer
position or for a given window pixel coordinate.
+++
*** The new primitive `set-file-times' sets a file's access and
modification times. Magic file name handlers can handle this
operation.
+++
*** The new function syntax-after returns the syntax code
of the character after a specified buffer position, taking account
of text properties as well as the character code.
*** `syntax-class' extracts the class of a syntax code (as returned
by syntax-after).
+++
*** New function `line-number-at-pos' returns line number of current
line in current buffer, or if optional buffer position is given, line
number of corresponding line in current buffer.
+++
*** New function `macroexpand-all' expands all macros in a form.
It is similar to the Common-Lisp function of the same name.
One difference is that it guarantees to return the original argument
if no expansion is done, which may be tested using `eq'.
+++
*** New macro with-local-quit temporarily sets inhibit-quit to nil for use
around potentially blocking or long-running code in timers
and post-command-hooks.
---
** easy-mmode-define-global-mode has been renamed to
define-global-minor-mode. The old name remains as an alias.
+++
** An element of buffer-undo-list can now have the form (apply FUNNAME
. ARGS), where FUNNAME is a symbol other than t or nil. That stands
......@@ -2800,29 +2873,12 @@ a certain function or variable.
clickable link with the new function `mouse-on-link-p'. This is the
function used by the new `mouse-1-click-follows-link' functionality.
 
+++
** (while-no-input BODY...) runs BODY, but only so long as no input
arrives. If the user types or clicks anything, BODY stops as if a
quit had occurred. while-no-input returns the value of BODY, if BODY
finishes. It returns nil if BODY was aborted.
+++
** `set-auto-mode' now gives the interpreter magic line (if present)
precedence over the file name. Likewise an <?xml or <!DOCTYPE declaration
will give the buffer XML or SGML mode, based on the new var
`magic-mode-alist'.
 
+++
** New function `looking-back' checks whether a regular expression matches
the text before point. Specifying the LIMIT argument bounds how far
back the match can start; this is a way to keep it from taking too long.
+++
** New functions `make-progress-reporter', `progress-reporter-update',
`progress-reporter-force-update', `progress-reporter-done', and
`dotimes-with-progress-reporter' provide a simple and efficient way for
a command to present progress messages for the user.
---
** To manipulate the File menu using easy-menu, you must specify the
proper name "file". In previous Emacs versions, you had to specify
......@@ -2850,27 +2906,6 @@ If it is non-nil, it specifies which buffers to list.
** set-buffer-file-coding-system now takes an additional argument,
NOMODIFY. If it is non-nil, it means don't mark the buffer modified.
 
+++
** The new function syntax-after returns the syntax code
of the character after a specified buffer position, taking account
of text properties as well as the character code.
+++
** The new primitive `get-internal-run-time' returns the processor
run time used by Emacs since start-up.
+++
** The new function `called-interactively-p' does what many people
have mistakenly believed `interactive-p' did: it returns t if the
calling function was called through `call-interactively'. This should
only be used when you cannot add a new "interactive" argument to the
command.
+++
** The new function `assoc-string' replaces `assoc-ignore-case' and
`assoc-ignore-representation', which are still available, but have
been declared obsolete.
+++
** An interactive specification may now use the code letter 'U' to get
the up-event that was discarded in case the last key sequence read for a
......@@ -2930,15 +2965,6 @@ changed to "connection broken by remote peer".
undo-outer-limit, garbage collection empties it. This is to prevent
it from using up the available memory and choking Emacs.
 
---
** New function quail-find-key returns a list of keys to type in the
current input method to input a character.
+++
** New functions posn-at-point and posn-at-x-y return
click-event-style position information for a given visible buffer
position or for a given window pixel coordinate.
+++
** skip-chars-forward and skip-chars-backward now handle
character classes such as [:alpha:], along with individual characters
......@@ -2952,11 +2978,6 @@ arg is non-nil.
+++
** The function `eql' is now available without requiring the CL package.
 
+++
** The new primitive `set-file-times' sets a file's access and
modification times. Magic file name handlers can handle this
operation.
+++
** The display space :width and :align-to text properties are now
supported on text terminals.
......@@ -3081,11 +3102,6 @@ text property string that may be present at the current window
position. The cursor may now be placed on any character of such
strings by giving that character a non-nil `cursor' text property.
 
+++
** New macro with-local-quit temporarily sets inhibit-quit to nil for use
around potentially blocking or long-running code in timers
and post-command-hooks.
** The first face specification element in a defface can specify
`default' instead of frame classification. Then its attributes act as
defaults that apply to all the subsequent cases (and may be overridden
......@@ -3142,11 +3158,6 @@ systems) to display at the corresponding overlay arrow position.
If either property is not set, the default `overlay-arrow-string' or
'overlay-arrow-fringe-bitmap' will be used.
 
+++
** New function `line-number-at-pos' returns line number of current
line in current buffer, or if optional buffer position is given, line
number of corresponding line in current buffer.
+++
** The default value of `sentence-end' is now defined using the new
variable `sentence-end-without-space' which contains such characters
......@@ -3164,12 +3175,6 @@ then this function returns the regexp constructed from the variables
`format' are now documented. Some flags that were accepted but not
implemented (such as "*") are no longer accepted.
 
+++
** New function `macroexpand-all' expands all macros in a form.
It is similar to the Common-Lisp function of the same name.
One difference is that it guarantees to return the original argument
if no expansion is done, which may be tested using `eq'.
+++
** New function `delete-dups' destructively removes `equal' duplicates
from a list. Of several `equal' occurrences of an element in the list,
......
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