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1 files changed, 2 insertions, 169 deletions

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 -*- outline -*-
 
-* Summary of Changes for Proof General 3.3 from 3.2
+* Summary of Changes for Proof General 3.4pre from 3.3
 
-** Generic Changes
-
-*** Visibility control for completed proofs
-
-     You can make proofs invisible using a command from a new
-     context sensitive menu (XEmacs only; right button on a completed 
-     proof), or as soon as they are completed with the 
-     "Options -> Disappearing Proofs" option.
-
-     This function is also bound to C-c v (pg-toggle-visibility).
-
-     Two main-menu items "Show proofs" and "Hide proofs" apply to
-     all the completed proofs in the buffer.
-
-     NB: proofs of theorems with the same name are not 
-     distinguished, their visibility is controlled together.
-
-*** Command to insert last output as comment in proof script.
-
-     Sometimes it is useful to paste some of the output from
-     goals or response buffer into the proof script.  A new
-     function `pg-insert-last-output-as-comment' (C-c C-;)
-     inserts the last output and converts it into a comment
-     using `comment-region'.
-
-*** Changes to colours, mouse highlighting, echo help messages
-
-     Now `proof-locked-face' becomes a lighter cyan. This is
-     less obtrusive when editing proofs, but is not so visible
-     for demonstrating PG: if you prefer the old stronger colour, 
-     customize the face to "lightsteelblue2" using
-     M-x customize-face RET proof-locked-face.  
-
-     New face `proof-mouse-highlight-face' (default: darker blue
-     than locked region) is now used for mouse highlighting regions of
-     script. Less ugly than the previous default (green) highlight face.
-
-     Also, for XEmacs, there are now (trivial) help messages in echo
-     area describing the highlighted region under the mouse.
-
-*** Experimental features and new user option
-
-     There's a new user option `proof-experimental-features' which
-     is nil by default.  If you set it to t, you will (maybe after
-     restarting Proof General) enable certain experimental features.
- 
-     In this release, the experimental features are: 
-
-        Context menu options to move spans up/down 
-          (Only reliable in XEmacs; also on keys control-meta-up, control-meta-down)
-        Context menu dependency commands 
-          (Isabelle only, see below)
-
-     To customize this from the menu:
-  
-        Proof General -> Customize -> User Options -> Experimental features
-
-*** Proof General startup script welcomes user
- 
-     The "binary" (startup script) bin/proofgeneral now loads
-     PG and invokes a function to display a splash message,
-     which invites the user to load a file.   A bit more
-     friendly than simply being confronted by a standard 
-     XEmacs screen.
-
-*** Changes to Proof General RPM packaging mechanism
-  
-     Can now build RPM packages with "rpm -ta" from tarball source.
-     RPM includes menu file and icons so that Proof General may
-     appear on your window system menus (tested under Linux Mandrake).
-     We no longer distribute an SRPM.
-
-*** Compatibility fixes.
-
-     Fixes for FSF Emacs and XEmacs 21.4
-
-     Better support for win32 versions of XEmacs (see README.windows).
-
-     Fixes for recent version 3.3g of X-Symbol (and note on
-      web page about using ~/.xemacs/xemacs-packages/ for install locn).
-
-*** Bug fixes.
-
-     XEmacs 21.1 has faulty implementation of buffer-syntactic-context,
-     workaround added.  (Symptom was parsing breaking, giving unexpected
-     "I can't see any complete commands to process!" error message, esp
-     with strings broken across lines containing parentheses).
-
-     Fixed Emacs-confusion minibuffer contents switching bug.  (Bug 
-     was triggered by using toolbar while minibuffer active).
-
-     Fixed problem with C-x C-v not adding completed files to included
-     files list (it does now).  
-
-** Coq Changes
-
-     Compatibility for V7 added.
-
-     Experimental enhancements to handling of compiled files and 
-     file dependency.  (Only tested with Coq 6.3.1: we need help
-     from Coq implementors to add primitive support in V7, please
-     appeal to them to help Proof General!).
-
-       1) At the end of scripting foo.v (i.e. when activing scripting is
-       switched off), "Reset Initial. Compile Module <foo>" is
-       automatically issued. This clears the context and writes a .vo file,
-       to keep your .vo files up to date. It means that when using PG Coq, 
-       you should use the correct commands ("Require foo.") to load all
-       the modules you depend on, so that scripting can continue in the
-       next file.
-
-       2) PG tracks file dependencies by noticing "Reinterning" messages
-       from Coq.  When a file "b.v" is processed which has a "Require a", 
-       command, PG will try to find "a.v" and will automatically lock
-       it.  (This part of the process is fragile, for two reasons: it
-       is hard to find the directory for a.v, since Coq doesn't report
-       it, and the reinterning message is only issued the first time the
-       file is reinterned).
-
-       3) When a file is retracted, PG attempts to automatically unlock
-       all the dependent files, by issuing a coqdep command to determine
-       the dependencies.  (This is a rather nasty hack, it's hoped for
-       the future that Coq will support this functionality directly).
-
-     This functionality is enabled with the Coq settings option 
-     "Auto Compile Vos".
-
-
-** Isabelle Changes
-
-   Support for theorem dependency tracking: context-sensitive menu  
-   (right button on a completed proof) provides a facility for browsing 
-   the ancestors and child theorems of a theorem, and highlighting them.  
-
-   The idea of this feature is that it can help you untangle and
-   rearrange big proof scripts, by seeing which parts are
-   interdependent.
- 
-   This facility is not yet closely integrated with Isabelle and
-   relies on an auxiliary ML file which is only compatible with
-   Isabelle99-2.  It is only supplied for Isabelle/classic.
-
-   To activate the feature, use the Isabelle setting option "Theorem
-   Dependencies."  Notice that you need to switch this on *after*
-   starting an Isabelles session, and must switch on/off on every
-   restart.  (This behaviour will improve once better integrated 
-   with Isabelle).
-
-   NB this is classed as an experimental feature, so you must set
-   proof-experimental-features to enable it.
-   
-   Not yet documented.    Comments and suggestions welcome.
-
-
-** Changes for developers to note
-
-*** proof-shell-process-output now sets proof-shell-last-output and
-    proof-shell-last-output-kind which gives clearer interface internally
-    and with rest of code.   See docs.
-
-*** Support for "tracing" buffers added.   
-    This was added for Isabelle's simplifier tracing, when a large
-    amount of output is produced during a proof for debugging.
-    The user would rather see the output as it arrives than wait
-    for a long time. 
-    Experimental stage and not yet enabled for any prover.  
-    See proof-shell-spill-output-regexp.
-  
\ No newline at end of file
+  There are no changes yet.  This release is identical to the 3.3 release.