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-rw-r--r--doc/contributing.texi3
-rw-r--r--doc/emacs.texi49
-rw-r--r--doc/guix.texi3
3 files changed, 53 insertions, 2 deletions
diff --git a/doc/contributing.texi b/doc/contributing.texi
index ded54348bc..b2d097dd62 100644
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -121,6 +121,9 @@ facilities to directly operate on the syntax tree, such as raising an
s-expression or wrapping it, swallowing or rejecting the following
s-expression, etc.
+GNU Guix also comes with a minor mode that provides some additional
+functionality for Scheme buffers (@pxref{Emacs Development}).
+
@node Coding Style
@section Coding Style
diff --git a/doc/emacs.texi b/doc/emacs.texi
index 67773466a4..b6f2701bc4 100644
--- a/doc/emacs.texi
+++ b/doc/emacs.texi
@@ -12,7 +12,8 @@ Guix convenient and fun.
* Popup Interface: Emacs Popup Interface. Magit-like interface for guix commands.
* Prettify Mode: Emacs Prettify. Abbreviating @file{/gnu/store/@dots{}} file names.
* Build Log Mode: Emacs Build Log. Highlighting Guix build logs.
-* Completions: Emacs Completions. Completing @command{guix} shell command.
+* Completions: Emacs Completions. Completing @command{guix} shell command.
+* Development: Emacs Development. Tools for Guix developers.
@end menu
@@ -637,3 +638,49 @@ something:
@item @code{guix lint --checkers=synopsis,des}@key{TAB}
@end itemize
+
+
+@node Emacs Development
+@section Development
+
+By default, when you open a Scheme file, @code{guix-devel-mode} will be
+activated (if you don't want it, set @code{guix-devel-activate-mode} to
+nil). This minor mode provides the following key bindings:
+
+@table @kbd
+
+@item C-c . k
+Copy the name of the current Guile module into kill ring
+(@code{guix-devel-copy-module-as-kill}).
+
+@item C-c . u
+Use the current Guile module. Often after opening a Scheme file, you
+want to use a module it defines, so you switch to the Geiser REPL and
+write @code{,use (some module)} there. You may just use this command
+instead (@code{guix-devel-use-module}).
+
+@item C-c . b
+Build a package defined by the current variable definition. The
+building process is run in the current Geiser REPL. If you modified the
+current package definition, don't forget to reevaluate it before calling
+this command---for example, with @kbd{C-M-x} (@pxref{To eval or not to
+eval,,, geiser, Geiser User Manual})
+(@code{guix-devel-build-package-definition}).
+
+@end table
+
+Unluckily, there is a limitation related to long-running REPL commands.
+When there is a running process in a Geiser REPL, you are not supposed
+to evaluate anything in a scheme buffer, because this will ``freeze''
+the REPL: it will stop producing any output (however, the evaluating
+process will continue---you will just not see any progress anymore). Be
+aware: even moving the point in a scheme buffer may ``break'' the REPL
+if Autodoc (@pxref{Autodoc and friends,,, geiser, Geiser User Manual})
+is enabled (which is the default).
+
+So you have to postpone editing your scheme buffers until the running
+evaluation will be finished in the REPL.
+
+Alternatively, to avoid this limitation, you may just run another Geiser
+REPL, and while something is being evaluated in the previous REPL, you
+can continue editing a scheme file with the help of the current one.
diff --git a/doc/guix.texi b/doc/guix.texi
index 07c5add5aa..8608e7a49f 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -113,7 +113,8 @@ Emacs Interface
* Popup Interface: Emacs Popup Interface. Magit-like interface for guix commands.
* Prettify Mode: Emacs Prettify. Abbreviating @file{/gnu/store/@dots{}} file names.
* Build Log Mode: Emacs Build Log. Highlighting Guix build logs.
-* Completions: Emacs Completions. Completing @command{guix} shell command.
+* Completions: Emacs Completions. Completing @command{guix} shell command.
+* Development: Emacs Development. Tools for Guix developers.
Programming Interface