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Use a prefix before pressing C-x C-e to print the result of evaluating
the expression before mark to the current buffer.
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I'm not convinced that this is the right thing, and the effect is a
bit ugly (we use save-window-excursion), but maybe this is the correct
thing to do for users that want auto-start.
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When no live REPL is found, of course. The flag's imaginatively
called geiser-mode-start-repl-p.
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Such as (values), which produce a retort of the form ((result) ...),
which has nothing wrong in it! Thanks to Diogo.
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In case you don't care about killing live REPLs...
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And, while we're at it, honour the new case-sentive flag, as suggested
by Diogo.
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By default, keywords are now not fontified in Scheme buffers unless
they have the correct (lower) case. This behaviour can be altered by
new, per-implementation customization variables.
Thanks to Diogo F. S. Ramos for pointing this out.
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Since C-\ is a standard Emacs binding, and people know how to change
it anyway. I've also put the command in the menu for Geiser mode, for
discoverability. A pleasant surprise: greek lambdas are understood by
both Racket and Guile.
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.. which seems to be available also in emacs 23.2 (although reports as
to whether it works are mixed), and has better behaviour anyways.
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We were not taking into account windows paths, with their backslashes
and colons.
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Just renamed geiser-repl--clear-buffer (we don't use -- when users can
call the command with M-x normally) and added documentation.
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By means of a new entry in completion-at-point-functions that uses
the handy comint-filename-completion.
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When no other completion is available, that is.
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Splitting better the specially indented forms between our two
implementations, so that users of a single one don't get weird
indentations for froms without a special meaning in their scheme.
Ideally, we should make these indentation rules buffer-local, so that
when a user is in a, say, Guile buffer, module+ has no special
indentation (as is the case now if that user also has activated
support for Racket).
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This variable controls whether REPL command history should contain
inputs during the debugger sessions (for schemes with such a thing,
that is, for Guile).
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A bunch of shellish ops, but seems to be working fine.
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Useless there right now, but Emacs package engine is going to use
them.
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Images rendered via put-image won't be deleted by
erase-buffer (they're overlays), while those inserted by
insert-image (text properties) will.
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When geiser-repl-inline-images-p is false (or we're in a terminal),
the inserted text replacement is a button that calls the external
viewer on click. There's also a parameter controlling whether the
viewer should be invoked automatically upon insertion.
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Emacs now remembers the directory that Racket put the last image in.
It leaves up to 10 previously viewed images in this directory,
providing an 'image history'.
This also reduces memory requirements; emacs no longer reads image
content into memory.
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they are displayed in the REPL.
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On the racket side, we use a custom print handler to print
images (convertible? values; see file/convertible) in a special format:
#<Image: filename>
On the geiser side, we add a comint post-output hook to search for
that filename and replace it with inline images.
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Just adjusting a regexp.
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In my debian machine, the info nodes for guile live in the "guile-2.0"
node, rather than plain "guile". A new customizable variable,
geiser-guile-manual-lookup-nodes, lets now specify additional names,
and we only add indexes to the info-lookup mode definition when the
node actually exists.
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We had only for two of them, and one was wrong!
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We were not re-activating it on new input, cause we weren't detecting
the prompt unless preceeded by other output (and, hence, a newline).
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Hat tip Marijn.
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This bugs was exposed by using rackunit, where all the output of, say,
check-eq? was lost for good (it was being sent to the stderr black
hole).
Hat tip Grant Retkke.
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We were not checking that the region sent to the scheme process was
balanced, resulting in said process waiting for ever on `read' (or its
moral equivalent in our current implementation). We now just refuse
to evaluate an improper region in the first place.
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Seems like the add-on package filladapt.el is broken in that its
version of fill-adapt uses a non-optional first argument. Aquamacs
users were filling the pain. Fixed by passing nil in our call to
fill-paragraph. Hat tip Jonathan Oddie.
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The nice go-back-to-previous-scheme-buffer behaviour of C-c C-z wasn't
working when the jump from a scheme file to the REPL was initiated via
run-geiser. Thanks, Marijn.
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Namely, geiser-font-lock-repl-prompt and geiser-font-lock-repl-input.
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In this little notebook i'm using, racket takes its time to start. In
fact, it can take more the previously slotted 10 seconds. Hence the
new geiser-repl-startup-time variable.
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