From: Karl Heuer Date: Sat, 1 May 1999 01:11:12 +0000 (+0000) Subject: (forms-mode): Don't call forms-first-record or X-Git-Tag: emacs-20.4~294 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4e0a3e27236f937896764a8d060ee7f443ac6166;p=emacs.git (forms-mode): Don't call forms-first-record or forms-last-record if the data file has zero records. --- diff --git a/lisp/forms.el b/lisp/forms.el index df683ae1363..a251c306c05 100644 --- a/lisp/forms.el +++ b/lisp/forms.el @@ -54,11 +54,11 @@ ;; The second file holds the actual data. The buffer of this file ;; will be buried, for it is never accessed directly. ;; -;; Forms mode is invoked using M-x forms-find-file control-file . +;; Forms mode is invoked using M-x `forms-find-file' control-file. ;; Alternatively `forms-find-file-other-window' can be used. ;; ;; You may also visit the control file, and switch to forms mode by hand -;; with M-x forms-mode . +;; with M-x `forms-mode'. ;; ;; Automatic mode switching is supported if you specify ;; "-*- forms -*-" in the first line of the control file. @@ -110,14 +110,14 @@ ;; of fields specified by `forms-number-of-fields'. ;; ;; forms-multi-line [string, default "^K"] -;; If non-null the records of the data file may +;; If non-null, the records of the data file may ;; contain fields that can span multiple lines in ;; the form. -;; This variable denotes the separator character +;; This variable denotes the separator string ;; to be used for this purpose. Upon display, all -;; occurrences of this character are translated +;; occurrences of this string are translated ;; to newlines. Upon storage they are translated -;; back to the separator character. +;; back to the separator string. ;; ;; forms-forms-scroll [bool, default nil] ;; Non-nil means: rebind locally the commands that @@ -125,12 +125,17 @@ ;; `forms-next-field' resp. `forms-prev-field'. ;; ;; forms-forms-jump [bool, default nil] -;; Non-nil means: rebind locally the commands that +;; Non-nil means: rebind locally the commands +;; `beginning-of-buffer' and `end-of-buffer' to +;; perform, respectively, `forms-first-record' and +;; `forms-last-record' instead. ;; ;; forms-insert-after [bool, default nil] -;; Non-nil means: inserts of new records go after -;; current record, also initial position is at last -;; record. +;; Non-nil means: insertions of new records go after +;; current record, also initial position is at the +;; last record. The default is to insert before the +;; current record and the initial position is at the +;; first record. ;; ;; forms-read-file-filter [symbol, default nil] ;; If not nil: this should be the name of a @@ -166,14 +171,14 @@ ;; distinct face, if possible. ;; As of emacs 19.29, the `intangible' text property ;; is used to prevent moving into read-only fields. -;; This variable defaults to t if running Emacs 19 -;; with text properties. +;; This variable defaults to t if running Emacs 19 or +;; later with text properties. ;; The default face to show read-write fields is ;; copied from face `region'. ;; ;; forms-ro-face [symbol, default 'default] ;; This is the face that is used to show -;; read-only text on the screen.If used, this +;; read-only text on the screen. If used, this ;; variable should be set to a symbol that is a ;; valid face. ;; E.g. @@ -187,7 +192,7 @@ ;; After evaluating the control file, its buffer is cleared and used ;; for further processing. ;; The data file (as designated by `forms-file') is visited in a buffer -;; `forms--file-buffer' which will not normally be shown. +;; `forms--file-buffer' which normally will not be shown. ;; Great malfunctioning may be expected if this file/buffer is modified ;; outside of this package while it is being visited! ;; @@ -208,7 +213,7 @@ ;; ;; Two exit functions exist: `forms-exit' and `forms-exit-no-save'. ;; `forms-exit' saves the data to the file, if modified. -;; `forms-exit-no-save` does not. However, if `forms-exit-no-save' +;; `forms-exit-no-save' does not. However, if `forms-exit-no-save' ;; is executed and the file buffer has been modified, Emacs will ask ;; questions anyway. ;; @@ -222,12 +227,12 @@ ;; switching edit <-> view mode v.v. ;; jumping from field to field ;; -;; As an documented side-effect: jumping to the last record in the +;; As a documented side-effect: jumping to the last record in the ;; file (using forms-last-record) will adjust forms--total-records if ;; needed. ;; -;; The forms buffer can be in on eof two modes: edit mode or view -;; mode. View mode is a read-only mode, you cannot modify the +;; The forms buffer can be in one of two modes: edit mode or view +;; mode. View mode is a read-only mode, whereby you cannot modify the ;; contents of the buffer. ;; ;; Edit mode commands: @@ -252,7 +257,7 @@ ;; SPC forms-next-record ;; DEL forms-prev-record ;; ? describe-mode -;; \C-q forms-toggle-read-only +;; \C-q forms-toggle-read-only ;; l forms-jump-record ;; n forms-next-record ;; p forms-prev-record @@ -270,18 +275,18 @@ ;; [begin] forms-first-record ;; [end] forms-last-record ;; [S-TAB] forms-prev-field -;; [backtab] forms-prev-field +;; [backtab] forms-prev-field ;; ;; For convenience, TAB is always bound to `forms-next-field', so you ;; don't need the C-c prefix for this command. ;; -;; As mentioned above (see `forms-forms-scroll' and `forms-forms-jump') +;; As mentioned above (see `forms-forms-scroll' and `forms-forms-jump'), ;; the bindings of standard functions `scroll-up', `scroll-down', ;; `beginning-of-buffer' and `end-of-buffer' can be locally replaced with ;; forms mode functions next/prev record and first/last ;; record. ;; -;; `local-write-file hook' is defined to save the actual data file +;; `local-write-file-hooks' is defined to save the actual data file ;; instead of the buffer data, `revert-file-hook' is defined to ;; revert a forms to original. @@ -296,10 +301,10 @@ (provide 'forms) ;;; official (provide 'forms-mode) ;;; for compatibility -(defconst forms-version (substring "$Revision: 2.36 $" 11 -2) +(defconst forms-version (substring "$Revision: 2.37 $" 11 -2) "The version number of forms-mode (as string). The complete RCS id is: - $Id: forms.el,v 2.36 1998/10/06 23:19:46 kwzh Exp rms $") + $Id: forms.el,v 2.37 1999/01/15 16:19:53 rms Exp kwzh $") (defcustom forms-mode-hooks nil "Hook functions to be run upon entering Forms mode." @@ -711,11 +716,11 @@ Commands: Equivalent keys in read-only mode: (if (< forms--current-record 1) (setq forms--current-record 1)) (forms-jump-record forms--current-record) - ) - (if forms-insert-after - (forms-last-record) - (forms-first-record)) + (if forms-insert-after + (forms-last-record) + (forms-first-record)) + ) ;; user customising ;;(message "forms: proceeding setup (user hooks)...")