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authorGravatar David Aspinall <da@inf.ed.ac.uk>2000-10-27 10:51:53 +0000
committerGravatar David Aspinall <da@inf.ed.ac.uk>2000-10-27 10:51:53 +0000
commitc5f30e41c3e1cbd50dbb9e3c5cf868a571a4b6b8 (patch)
tree1abc48f8985d63ee3803ec7059ec72c7f4c009d0
parent3665c00e086f8d2759f0927ef60021920e21fad9 (diff)
Ready for 3.2 changes.
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-*- outline -*-
-* Summary of Changes for Proof General 3.2 from 3.1
+* Summary of Changes for Proof General 3.3 from 3.2
** Generic Changes
-*** Keybindings alterations
-
- Keybindings for proof assistant now begin with "C-c C-a", to make more room.
-
-*** Menu reorganization, including new proof assistant specific menus.
-
- Menu layout more consistent and convenient (though larger).
- Specific menus added automatically for each proof assistant.
- (Additional content in specific menus added for Coq, LEGO, Isabelle).
- Menus appear in goals and response buffers too.
-
-*** Toolbar added to response and goals buffer in single frame mode.
-
- Disappearing toolbar was a source of confusion for novice Emacs users.
- Also better for proof-by-pointing interactions.
-
-*** Toolbar and menubar removed from small windows in multiple frame mode
-
- More screen real estate for your windows. (XEmacs only)
-
-*** Favourites: user-defined commands can be added to PA specific menus.
-
-*** Improved behaviour of electric terminator
-
-*** Proof-follow-mode: quick menu option, improved 'ignore behaviour.
-
- Previously point was always moved when an error occurred.
- It's nicer to do this manually if you like the 'ignore mode,
- using M-x proof-goto-end-of-locked (C-c C-.)
-
-*** Added handy proof-display-some-buffers (C-c C-l)
-
- This displays the response or goals buffer, and toggles between
- them in two-pane mode. In three-pane or multiple frame mode,
- it makes sure both response and goals buffer are visible.
-
-*** Added proof-next-error function, bound to C-c `
-
- When the proof assistant batch loads files "in the background"
- rather than incrementally via script management, error messages
- may appear in the response buffer with file/line numbers.
- Proof General can now parse these messages to jump to the
- location of the error.
- [Currently implemented for: Isabelle]
-
-*** New more efficient and generalised parsing functions
-
- The new functions have slightly different behaviour around comments.
- Also avoids crash bug with long strings in certain XEmacs versions.
-
-*** New indentation code, indentation enabled for all provers now
-
- Supplied by Markus Wenzel.
-
-*** Added possibility (internal) for switching prover's output on/off.
-
- Already implemented in Coq and Isabelle(/Isar).
- This improves efficiency by giving more CPU to prover.
-
-*** Makefile has new target "scripts" to adjust paths in bash/perl scripts
-
-*** Solaris/Windows turn off toolbar enablers due to problems.
-
-*** Bug fix: "next" button enabled more often.
-
-*** Bug fix: first line ignored problem fixed for Coq and others.
-
- [Developers note: to fix this properly, we have added
- `proof-shell-pre-sync-init-cmd' for provers that need initialization
- before synchronization can be secured. LEGO needs to wait for
- second prompt before sync, whereas Isabelle managed to sync on first
- prompt. Coq was best, with sync set before startup, using a command
- line option. That is the recommended route for new proof assistants.]
-
-*** Bug fix: script management is now more robust against C-x C-v, C-x C-w
-
- Please let me know of any cases where this fails.
-
-
-
** Coq Changes
-*** More decoration of Coq output, uses CoqResp mode now
-
** LEGO Changes
-*** Slight change in output during proof: shows final discharge messages
-
- This is a side effect of code rationalization in PG elsewhere.
-
** Isabelle Changes
-*** More code from Isamode has been merged into Proof General
-
- Particularly: the user now can choose a logic image from inside PG.
-
-*** Fix for stack overflow in regexp which occurred with large proof states
-
-*** The back() command is now undoable as it should be
-
** Isar Changes
-*** No longer requires explicit terminators ";" in text. (XEmacs only)
-
- Also note that isar-strip-terminators cleans up existing theories.
-
-*** Fix for stack overflow in regexp which occurred with large proof states
-
-*** Improved Help menu provides basic context browsing facilities.
-
** HOL Changes
-*** Output decoration improvements.
-
** Changes for developers to note
-*** Rearrangement of elisp files and loading mechanism.
-
- Autoloads in proof-autoloads.el are generated from
- ;;;###autoload comments with `make devel.autoloads'
-
- Several new files, to "modularize" the code a bit more.
-
-*** New mechanism for defining customizations per prover
-
- See Section 9 of proof-config.el. New macros mean that we can
- write for example `proof-defasscustom web-page' to automatically get
- `isa-webpage', `hol-webpage', etc, declared on loading.
-
- Proof assistant specific code can then just set/use these
- variables, without needing to set `proof-assistant-webpage' from
- `isa-webpage' etc.
-
- This slightly breaks the original pseudo object-oriented idea
- behind the instantiation mechanism (overriding methods, setting
- attributes) but works much more smoothly with customization.
-
-*** Changed buffer mode name: pbp-mode -> proof-goals-mode, for uniformity.
-
-*** Removed proof-terminal-string to simplify command setting
-
- As a simplification of the code, and to allow possibility of
- PAs without a terminal string, more smoothly.
- It is now the responsibility of each proof assistant's customization
- to add proof-terminal-string to commands where necessary.
-
-*** New parsing mechanism
-
- See the PG Adapting manual for information about the new variations
- possible for `proof-segment-up-to'. These are supported for XEmacs only,
- since FSF Emacs lacks the useful fast primitives we use.
-
-*** Other minor things (interest only to independent developers of PG modes):
-
- No need for match string 1 in proof-shell-proof-completed
- Added proof-shell-pre-sync-init-cmd, see doc.
-