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-rw-r--r--isar/isabelle-system.el22
1 files changed, 0 insertions, 22 deletions
diff --git a/isar/isabelle-system.el b/isar/isabelle-system.el
index 25abf308..6eb5d892 100644
--- a/isar/isabelle-system.el
+++ b/isar/isabelle-system.el
@@ -195,28 +195,6 @@ ISABELLE will always override this setting."
"isa-view-doc" nil
(list isa-isatool-command "doc" docname))))
-(defvar isabelle-version-string 'unset)
-
-(defun isa-version ()
- "Try to retrieve a version value for Isabelle."
- (unless (stringp isabelle-version-string)
- (setq isabelle-version-string
- (if (isa-set-isatool-command)
- (isa-shell-command-to-string
- ;; This may return the string "Unknown Isabelle tool:
- ;; version", but that's fine.
- (concat isa-isatool-command " version"))
- "Unknown")))
- isabelle-version-string)
-
-;; We're going to need to know this pretty soon, so let's do it now.
-(defconst isa-supports-pgip
- ;; PGIP-aware Isabelle versions are also aware of their own version
- (not (string-match "^Unknown" (isa-version)))
- "Whether the currently configured version of Isabelle supports PGIP.")
-
-
-
(defun isa-tool-list-docs ()
"Generate a list of documentation files available, with descriptions.