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CoqIde FAQ
Q0) What is CoqIde?
R0: A powerful 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 gtkrc file. The location of this file is system-dependent. If you're running
Gnome, you may use the graphical configuration tools.
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" := (forall x:t, P) (at level 200, x ident).
Notation "∃ x : t, P" := (exists x:t, P) (at level 200, x ident).
======================================================================
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). To try it just use "Require utf8" from inside
CoqIde.
To enable these notations automatically start coqide with
coqide -l utf8
In the ide subdir of Coq library, you will find a sample utf8.v with some
pretty simple 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 : Use an input method editor, such as SCIM or iBus. The latter offers
a module for LaTeX-like inputting.
Q6) How to customize the shortcuts for menus?
R6) Two solutions are offered:
- Edit $XDG_CONFIG_HOME/coq/coqide.keys by hand or
- If your system allows it, from CoqIde, you may select a menu entry and press the
desired shortcut.
Q7) What encoding should I use? What is this \x{iiii} in my file?
R7) The encoding option is related to the way files are saved.
Keep it as UTF-8 until it becomes important for you to exchange files
with non UTF-8 aware applications.
If you choose something else than UTF-8, then missing characters will
be encoded by \x{....} or \x{........} where each dot is an hex. digit.
The number between braces is the hexadecimal UNICODE index for the
missing character.
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