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CoqIde FAQ
Q0) What is CoqIde?
R0: A powerfull graphical interface for Coq. See http://coq.inria.fr. for more informations
Q1) How to enable Emacs keybindings?
R1: Insert
gtk-key-theme-name = "Emacs"
in your ".coqide-gtk2rc" file. It may be in the current dir
or in $HOME dir. This is done by default.
Q2) How to enable antialiased fonts?
R2) Set the GDK_USE_XFT variable to 1. This is by default with Gtk >= 2.2.
If some of your fonts are not available, set GDK_USE_XFT to 0.
Q4) How to use those Forall and Exists pretty symbols?
R4) Thanks to the Notation features in Coq, you just need to insert these
lines in your Coq Buffer :
======================================================================
Notation "∀ x : t | P" := (x:t)P (at level 1, x,t,P at level 10).
Notation "∃ x : t | P" := (EXT x:t|P) (at level 1, x,t,P at level 10).
======================================================================
Copy/Paste of these lines from this file will not work outside of CoqIde.
You need to load a file containing these lines or to enter the "∀"
using an input method (see Q5). As a convenience, you may put these lines in
a utf8.v file and start coqide with :
coqide -l utf8.v
In the ide subdir of Coq library, you will find a sample utf8.v with some
pretty notations.
Q5) How to define an input method for non ASCII symbols?
R5)-First solution : type "<CONTROL><SHIFT>2200" to enter a forall in the script widow.
2200 is the hexadecimal code for forall in unicode charts and is encoded as "∀"
in UTF-8.
2203 is for exists. See http://www.unicode.org for more codes.
-Second solution : rebind "<AltGr>a" to forall and "<AltGr>e" to exists.
Under X11, you need to use something like
xmodmap -e "keycode 24 = a A F13 F13"
xmodmap -e "keycode 26 = e E F14 F14"
and then to add
bind "F13" {"insert-at-cursor" ("∀")}
bind "F14" {"insert-at-cursor" ("∃")}
to your "binding "text"" section in .coqiderc-gtk2rc.
The strange ("∀") argument is the UTF-8 encoding for
0x2200.
You can compute these encodings using the lablgtk2 toplevel with
Glib.Utf8.from_unichar 0x2200;;
Further symbols can be bound on higher Fxx keys or on even on other keys you
do not need .
Q6) How to build a custom CoqIde with user ml code?
R6) Use
coqmktop -ide -byte m1.cmo...mi.cmo
or
coqmktop -ide -opt m1.cmx...mi.cmx
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