Guillermo J. Rozas [Tue, 29 Oct 1991 22:37:22 +0000 (22:37 +0000)]
Define HPPA_QUAD_MASK and re-write ADDRESS_TO_DATUM to use it so that
the bchscheme windows can be in a different quadrant.
Guillermo J. Rozas [Tue, 29 Oct 1991 22:35:51 +0000 (22:35 +0000)]
Major overhaul of bchscheme:
- Bchscheme can now overlap I/O by using shared memory and drone
processes.
- Bchscheme parameters can be re-set while running.
Only the gc-file is specified exclusively from the command line.
- Many statistics are taken and can be read and manipulated from scheme.
Guillermo J. Rozas [Tue, 29 Oct 1991 22:35:01 +0000 (22:35 +0000)]
Initial revision
Guillermo J. Rozas [Tue, 29 Oct 1991 22:30:59 +0000 (22:30 +0000)]
Major overhaul of bchscheme:
- Bchscheme can now overlap I/O by using shared memory and drone
processes.
- Bchscheme parameters can be re-set while running.
Only the gc-file is specified exclusively from the command line.
- Many statistics are taken and can be read and manipulated from scheme.
Protoize many functions and their declarations.
Chris Hanson [Tue, 29 Oct 1991 14:32:22 +0000 (14:32 +0000)]
Introduce new condition type FILE-OPERATION-ERROR to handle errors
generated by all file and directory primitives. Consequently
eliminate FILE-TOUCH-ERROR and OPEN-FILE-ERROR.
Chris Hanson [Tue, 29 Oct 1991 13:59:31 +0000 (13:59 +0000)]
Change all primitives that use the `stat' and `lstat' system calls to
check for EINTR, and to signal system-call errors if the file's
existence cannot be determined. Change the FILE-EXISTS? primitive to
return zero (instead of #F, as previously) if the file being tested is
a symbolic link but it doesn't point at anything.
Chris Hanson [Tue, 29 Oct 1991 13:49:58 +0000 (13:49 +0000)]
Fix bug in limit handling of motion pairs.
Chris Hanson [Tue, 29 Oct 1991 13:48:22 +0000 (13:48 +0000)]
Internal restructuring of previous change.
Chris Hanson [Tue, 29 Oct 1991 13:46:08 +0000 (13:46 +0000)]
Minor non-functional tweaks.
Chris Hanson [Tue, 29 Oct 1991 13:44:38 +0000 (13:44 +0000)]
Fix numerous bugs in C indentation code. Upgrade C mode and C
indentation to standard of Emacs 18.57.
Chris Hanson [Tue, 29 Oct 1991 13:39:59 +0000 (13:39 +0000)]
Extend VARIABLE-LOCAL-VALUE and REF-VARIABLE to handle a mark or a
group in place of a buffer argument.
Chris Hanson [Tue, 29 Oct 1991 13:31:30 +0000 (13:31 +0000)]
Compiler can output multiclosures that are not compiled closure
objects, but vectors. The debugging code was never updated to handle
this case.
Chris Hanson [Tue, 29 Oct 1991 13:27:41 +0000 (13:27 +0000)]
When associating ports of a process, must associated in both
directions; previously the association was only made from the second
port to the first.
Chris Hanson [Sat, 26 Oct 1991 22:05:36 +0000 (22:05 +0000)]
Eliminate SHELL-COMMAND-REGION.
Chris Hanson [Sat, 26 Oct 1991 21:54:48 +0000 (21:54 +0000)]
Eliminate SHELL-COMMAND-REGION.
Chris Hanson [Sat, 26 Oct 1991 21:49:58 +0000 (21:49 +0000)]
Add a few new indentation methods.
Chris Hanson [Sat, 26 Oct 1991 21:11:05 +0000 (21:11 +0000)]
Move variable definition from "manual" to "loadef".
Chris Hanson [Sat, 26 Oct 1991 21:08:33 +0000 (21:08 +0000)]
M-x shell-command and M-x shell-command-on-region changed to make
process's working directory be the current buffer's default directory.
Procedures SHELL-COMMAND and RUN-SYNCHRONOUS-SUBPROCESS changed to
permit specification of this directory, and also to specify whether
PTYs should be used. SHELL-COMMAND-ON-REGION eliminated because
SHELL-COMMAND now takes an input-region argument.
Chris Hanson [Sat, 26 Oct 1991 16:21:08 +0000 (16:21 +0000)]
When file- or directory-opening primitives get errors, signal those
errors as open-file-error conditions. In those cases, don't use
another condition as the explanation: create a meaninful error string
from the error's context.
This change has these effects:
* All file/directory-opening primitives now signal the same condition.
* RETRY and USE-VALUE handlers are available whenever that condition
is signalled; previously these handlers were only sometimes
available, and there was no reasonable way to provide them when they
were not.
Chris Hanson [Fri, 25 Oct 1991 14:53:20 +0000 (14:53 +0000)]
Exclude "documentation" and "etc" from compiler RCS.log.
Chris Hanson [Fri, 25 Oct 1991 13:00:15 +0000 (13:00 +0000)]
Don't generate full cref.
Chris Hanson [Fri, 25 Oct 1991 12:57:32 +0000 (12:57 +0000)]
* Introduce new RTL expression type CONS-NON-POINTER and change
appropriate instances of CONS-POINTER to use the new type.
* Replace RTL expression type @ADDRESS->FLOAT with new type
OBJECT->FLOAT.
* Introduce new internal switch USE-PRE/POST-INCREMENT?. Change code
generation of in-line consing to pay attention to this switch.
* Merge common parts of "machine/make" into new file "base/make".
On MIPS:
* Change code sequence that assigns type codes to assume that the type
field has a known value. This eliminates one instruction in every
type-code assignment. It assumes that the data segment bits have a
certain value, but the microcode already does this.
* Cache immediate constants in registers, and remember which registers
contain which constants. (This should be improved by noticing when
arithmetic operations are done on known constants and cacheing the
results.)
* Set USE-PRE/POST-INCREMENT? to false, saving one instruction in
every CONS, and multiple instructions in each call to VECTOR.
Chris Hanson [Fri, 25 Oct 1991 12:29:56 +0000 (12:29 +0000)]
* Introduce new RTL expression type CONS-NON-POINTER and change
appropriate instances of CONS-POINTER to use the new type.
* Replace RTL expression type @ADDRESS->FLOAT with new type
OBJECT->FLOAT.
* Introduce new internal switch USE-PRE/POST-INCREMENT?. Change code
generation of in-line consing to pay attention to this switch.
* Merge common parts of "machine/make" into new file "base/make".
On MIPS:
* Change code sequence that assigns type codes to assume that the type
field has a known value. This eliminates one instruction in every
type-code assignment. It assumes that the data segment bits have a
certain value, but the microcode already does this.
* Cache immediate constants in registers, and remember which registers
contain which constants. (This should be improved by noticing when
arithmetic operations are done on known constants and cacheing the
results.)
* Set USE-PRE/POST-INCREMENT? to false, saving one instruction in
every CONS, and multiple instructions in each call to VECTOR.
Chris Hanson [Fri, 25 Oct 1991 12:24:32 +0000 (12:24 +0000)]
* Introduce new RTL expression type CONS-NON-POINTER and change
appropriate instances of CONS-POINTER to use the new type.
* Replace RTL expression type @ADDRESS->FLOAT with new type
OBJECT->FLOAT.
* Introduce new internal switch USE-PRE/POST-INCREMENT?. Change code
generation of in-line consing to pay attention to this switch.
* Merge common parts of "machine/make" into new file "base/make".
On MIPS:
* Change code sequence that assigns type codes to assume that the type
field has a known value. This eliminates one instruction in every
type-code assignment. It assumes that the data segment bits have a
certain value, but the microcode already does this.
* Cache immediate constants in registers, and remember which registers
contain which constants. (This should be improved by noticing when
arithmetic operations are done on known constants and cacheing the
results.)
* Set USE-PRE/POST-INCREMENT? to false, saving one instruction in
every CONS, and multiple instructions in each call to VECTOR.
Chris Hanson [Fri, 25 Oct 1991 06:50:06 +0000 (06:50 +0000)]
* Introduce new RTL expression type CONS-NON-POINTER and change
appropriate instances of CONS-POINTER to use the new type.
* Replace RTL expression type @ADDRESS->FLOAT with new type
OBJECT->FLOAT.
* Introduce new internal switch USE-PRE/POST-INCREMENT?. Change code
generation of in-line consing to pay attention to this switch.
* Merge common parts of "machine/make" into new file "base/make".
On MIPS:
* Change code sequence that assigns type codes to assume that the type
field has a known value. This eliminates one instruction in every
type-code assignment. It assumes that the data segment bits have a
certain value, but the microcode already does this.
* Cache immediate constants in registers, and remember which registers
contain which constants. (This should be improved by noticing when
arithmetic operations are done on known constants and cacheing the
results.)
* Set USE-PRE/POST-INCREMENT? to false, saving one instruction in
every CONS, and multiple instructions in each call to VECTOR.
Chris Hanson [Fri, 25 Oct 1991 00:16:18 +0000 (00:16 +0000)]
*** empty log message ***
Chris Hanson [Fri, 25 Oct 1991 00:15:37 +0000 (00:15 +0000)]
* Introduce new RTL expression type CONS-NON-POINTER and change
appropriate instances of CONS-POINTER to use the new type.
* Replace RTL expression type @ADDRESS->FLOAT with new type
OBJECT->FLOAT.
* Introduce new internal switch USE-PRE/POST-INCREMENT?. Change code
generation of in-line consing to pay attention to this switch.
* Merge common parts of "machine/make" into new file "base/make".
On MIPS:
* Change code sequence that assigns type codes to assume that the type
field has a known value. This eliminates one instruction in every
type-code assignment. It assumes that the data segment bits have a
certain value, but the microcode already does this.
* Cache immediate constants in registers, and remember which registers
contain which constants. (This should be improved by noticing when
arithmetic operations are done on known constants and cacheing the
results.)
* Set USE-PRE/POST-INCREMENT? to false, saving one instruction in
every CONS, and multiple instructions in each call to VECTOR.
Chris Hanson [Fri, 25 Oct 1991 00:03:22 +0000 (00:03 +0000)]
Include the integrable definitions from a few basic files throughout
the editor, to reduce space and increase speed.
Chris Hanson [Fri, 25 Oct 1991 00:00:37 +0000 (00:00 +0000)]
*** empty log message ***
Chris Hanson [Wed, 23 Oct 1991 06:14:21 +0000 (06:14 +0000)]
Primitive DIRECTORY-CLOSE must be called to have any effect. Stupid
typo just inserted references to the primitive in the effect position.
Chris Hanson [Tue, 22 Oct 1991 12:27:55 +0000 (12:27 +0000)]
* Fix code that extracts filename from dired line so that it handles
symbolic links correctly.
* Fix DIRED-REVERT-BUFFER to keep point on the same filename line if
possible.
* Fix DIRED-COPY-FILES: when a condition handler returns it means that
it has declined to handle the condition; if it handles the condition
it must throw.
* Repaginate.
Chris Hanson [Tue, 22 Oct 1991 12:12:46 +0000 (12:12 +0000)]
Fix RENAME-FILE and DELETE-FILE so that they work on symbolic links
that point to nonexistent files.
Chris Hanson [Tue, 22 Oct 1991 10:48:44 +0000 (10:48 +0000)]
Improve NUKE-NROFF-BS a little more: speed up nuke loops, generalize
header pattern to handle hyphens within section number, simplify
nuking of blank lines at buffer start.
Chris Hanson [Tue, 22 Oct 1991 09:53:38 +0000 (09:53 +0000)]
RTL comment should precede prefix instructions in output. That way
all instructions generated as a result of that RTL will appear
between that comment and the next.
Chris Hanson [Tue, 22 Oct 1991 09:02:43 +0000 (09:02 +0000)]
To reduce code space, use ASSOC to compare literals rather than ASSV.
Since side-effects are not permitted on them, this should be harmless.
Chris Hanson [Mon, 21 Oct 1991 23:40:56 +0000 (23:40 +0000)]
Change command reader to preserve message across argument commands.
Fix undo of self-insert characters.
Chris Hanson [Mon, 21 Oct 1991 12:49:45 +0000 (12:49 +0000)]
Various improvements to NUKE-NROFF-BS: speed up implementation,
particularly the removal of underlining and overstriking; remove
"Reformatting page" message if one appears; remove generic footers;
remove blank lines at end.
Chris Hanson [Mon, 21 Oct 1991 12:06:00 +0000 (12:06 +0000)]
Make "m" key in Info mode default to the current menu item, if there is one.
Chris Hanson [Sat, 19 Oct 1991 07:09:54 +0000 (07:09 +0000)]
Fix bug that caused Dired to print all of the "to be deleted" file
names on a single line, sending the newlines to the wrong port.
Arthur Gleckler [Fri, 18 Oct 1991 16:03:02 +0000 (16:03 +0000)]
Make "m" key in Info mode default to the current menu item, if there is one.
Chris Hanson [Fri, 18 Oct 1991 11:17:13 +0000 (11:17 +0000)]
*** empty log message ***
Chris Hanson [Fri, 18 Oct 1991 09:55:38 +0000 (09:55 +0000)]
Update to match revision 4.30 of "machines/bobcat/rules3.scm".
Chris Hanson [Fri, 18 Oct 1991 09:13:08 +0000 (09:13 +0000)]
Don't generate full cref by default.
Chris Hanson [Fri, 18 Oct 1991 08:59:29 +0000 (08:59 +0000)]
Update to match revision 1.32 of "machines/bobcat/comp.pkg".
Chris Hanson [Thu, 17 Oct 1991 09:09:38 +0000 (09:09 +0000)]
BSD4.3 does not declare errno in <errno.h> -- unlike modern versions
of unix -- so must add extern declaration.
Chris Hanson [Thu, 17 Oct 1991 08:21:11 +0000 (08:21 +0000)]
Fix missing "cmpint-vax.h".
Guillermo J. Rozas [Wed, 16 Oct 1991 22:26:19 +0000 (22:26 +0000)]
Add a fflush to userio_confirm.
Chris Hanson [Wed, 16 Oct 1991 00:27:02 +0000 (00:27 +0000)]
Recent versions of SunOS have POSIX signals.
Chris Hanson [Tue, 15 Oct 1991 22:53:36 +0000 (22:53 +0000)]
Change sun 3 to use 68040 compiled-code format, so it can share
binaries with other 680x0 machines.
Chris Hanson [Tue, 15 Oct 1991 18:01:55 +0000 (18:01 +0000)]
Modified by Max Hailperin <max@nic.gac.edu> to support Schematik-style
interrupts if the environment variable USE_SCHEMATIK_STYLE_INTERRUPTS
is defined. What this means is that the following signals are
redefined to generate the corresponding keyboard interrupt (to avoid
the unreliable behavior of the the interactive interrupt handler):
signal keyboard interrupt
----- ------------------
SIGIOT control-x
SIGQUIT control-u
SIGHUP control-b
Thanos Siapas [Mon, 14 Oct 1991 23:51:19 +0000 (23:51 +0000)]
Fix two problems that manifested themselves on the nitpicky snakes:
- array-set! could cause an overflow exception when reading
un-initialized garbage. ARRAY-ALLOCATE now initializes all array
components to 0.
- array-set! could cause an underflow exception when storing a valid
double too small for a float. It now silently stores 0.
There are other problems left (overflow when storing a large
number), etc, but...
Arthur Gleckler [Sun, 13 Oct 1991 01:50:08 +0000 (01:50 +0000)]
Make "WITH-" expressions do the right thing. This should cause on
problems with forms like WITHOUT-INTERRUPTS, since I've included a
hyphen after "with".
Chris Hanson [Fri, 11 Oct 1991 18:33:57 +0000 (18:33 +0000)]
*** empty log message ***
Chris Hanson [Fri, 11 Oct 1991 04:09:33 +0000 (04:09 +0000)]
*** empty log message ***
Chris Hanson [Fri, 11 Oct 1991 03:58:56 +0000 (03:58 +0000)]
Be more careful about order of events in M-x shell-command-on-region
when the prefix arg is given. Make sure that the output replaces the
input atomically.
Chris Hanson [Fri, 11 Oct 1991 03:46:26 +0000 (03:46 +0000)]
Implement M-x shell-command and M-x shell-command-on-region. Bind
them to M-! and M-| respectively.
Chris Hanson [Fri, 11 Oct 1991 03:35:06 +0000 (03:35 +0000)]
Implement M-x shell-command and M-x shell-command-on-region. Bind
them to M-! and M-| respectively.
Chris Hanson [Fri, 11 Oct 1991 03:33:27 +0000 (03:33 +0000)]
Implement M-x compare-windows.
Chris Hanson [Fri, 11 Oct 1991 03:32:51 +0000 (03:32 +0000)]
In M-x visit-tags-table, if the user types something that looks like a
directory, then treat it as a directory. Previously it only did this
if the file was actually a directory.
Chris Hanson [Fri, 11 Oct 1991 03:31:24 +0000 (03:31 +0000)]
Don't ignore pathname-version when generating buffer name. Ignoring
it is confusing on unix filenames. Perhaps this should be made
operating-system specific.
Arthur Gleckler [Thu, 10 Oct 1991 22:54:44 +0000 (22:54 +0000)]
Make RMAIL update mode line when SHOW-MESSAGE is called and there are
no messages. This makes the mode line correct when all the messages
are deleted and expunged. Previously, the mode line stayed as it was
when RMAIL last displayed a message (before it was deleted).
Chris Hanson [Thu, 10 Oct 1991 01:29:29 +0000 (01:29 +0000)]
Move to regular Scheme source directories.
Chris Hanson [Thu, 10 Oct 1991 01:27:41 +0000 (01:27 +0000)]
Adjustments to support multiple binary directories.
Mark Friedman [Tue, 8 Oct 1991 21:46:43 +0000 (21:46 +0000)]
Cached the current working directory to avoid needless calls to the
unix getcwd. It is put here, so that the call to get_wd() in options.c
will cause the cache to fill BEFORE the heap and constant spaces get
allocated. This way it is much more likely that the fork that getcwd
tries to do will be successful.
Mark Friedman [Tue, 8 Oct 1991 21:42:37 +0000 (21:42 +0000)]
Changed parse_path_string() to make sure that get_wd is called so that
the unix getcwd is called now, before it allocates heap space. This is
because getcwd forks off a new process and we want to do that before
the scheme process gets too big.
Chris Hanson [Fri, 4 Oct 1991 06:14:14 +0000 (06:14 +0000)]
Improve performance of m command -- it was very slow on large menus.
Chris Hanson [Fri, 4 Oct 1991 06:09:24 +0000 (06:09 +0000)]
Fix bug in M-x goto-char -- it was counting characters from the
narrowed start of the buffer, when it should have ignored narrowing.
Chris Hanson [Fri, 4 Oct 1991 06:06:27 +0000 (06:06 +0000)]
Guarantee that all buffer-local variables are unbound when user's init
file is loaded.
Chris Hanson [Thu, 3 Oct 1991 21:30:47 +0000 (21:30 +0000)]
INDENT-TABS-MODE should be off in Texinfo files.
Chris Hanson [Thu, 3 Oct 1991 20:48:44 +0000 (20:48 +0000)]
Fix fencepost error that sometimes caused extra newline to be inserted
at end of paragraph being filled.
Brian A. LaMacchia [Thu, 3 Oct 1991 19:48:20 +0000 (19:48 +0000)]
Minor change to rmail-make-basic-summary-line so that dates of
the form "02 Oct 91" generate summary lines of the form " 2-Oct" not
"02-Oct".
Arthur Gleckler [Thu, 3 Oct 1991 17:47:59 +0000 (17:47 +0000)]
Make telnet accept port number after hostname.
Chris Hanson [Thu, 3 Oct 1991 10:19:45 +0000 (10:19 +0000)]
Add directory tracking for popd and pushd shell commands. Add new
command M-x shell-resync-dirs.
Guillermo J. Rozas [Wed, 2 Oct 1991 21:24:43 +0000 (21:24 +0000)]
Add phony target world redirecting to xmakefile.
Guillermo J. Rozas [Wed, 2 Oct 1991 21:22:08 +0000 (21:22 +0000)]
Add a call to x-window-set-class-hint when a window is created,
so the window manager can tell what resource to use.
Guillermo J. Rozas [Wed, 2 Oct 1991 21:17:49 +0000 (21:17 +0000)]
Rename x-graphics-set-class-hint to x-window-set-class-hint.
Chris Hanson [Wed, 2 Oct 1991 09:25:55 +0000 (09:25 +0000)]
Don't unregister a closed channel -- it signals an error.
Chris Hanson [Wed, 2 Oct 1991 09:18:48 +0000 (09:18 +0000)]
Eliminate duplicate definition of variable.
Chris Hanson [Wed, 2 Oct 1991 09:16:18 +0000 (09:16 +0000)]
Add simple insertion commands to Texinfo mode.
Chris Hanson [Wed, 2 Oct 1991 09:00:31 +0000 (09:00 +0000)]
Fix typo in COMPUTE-HORIZONTAL-SPACE.
Chris Hanson [Wed, 2 Oct 1991 08:59:37 +0000 (08:59 +0000)]
Fix INDENT-FOR-TAB-COMMAND so it pays attention to the value of
INDENT-TABS-MODE.
Chris Hanson [Tue, 1 Oct 1991 21:39:07 +0000 (21:39 +0000)]
Eliminate INTEGRATE-PRIMITIVE-PROCEDURES declaration.
Chris Hanson [Tue, 1 Oct 1991 20:50:27 +0000 (20:50 +0000)]
Eliminate explicit load of CREF utility.
Chris Hanson [Wed, 25 Sep 1991 20:37:33 +0000 (20:37 +0000)]
Add `time_t' and change type of argument to `ctime' to be a pointer to
that type.
Chris Hanson [Wed, 25 Sep 1991 20:36:47 +0000 (20:36 +0000)]
Fix casting bug in __INT_TO_PTR.
Arthur Gleckler [Wed, 25 Sep 1991 18:36:03 +0000 (18:36 +0000)]
Make previous bug fix slightly faster.
Arthur Gleckler [Wed, 25 Sep 1991 18:33:34 +0000 (18:33 +0000)]
Fix number-of-arguments bug calling RE-SEARCH-FORWARD from
COUNT-MATCHES command.
Chris Hanson [Tue, 24 Sep 1991 22:39:20 +0000 (22:39 +0000)]
Eliminate incorrect ";" from definition of Declare_Fixed_Objects.
Brian A. LaMacchia [Tue, 24 Sep 1991 17:53:24 +0000 (17:53 +0000)]
Fixed a bug in parse-file-inboxes which used the wrong point as the end
of the search.
Arthur Gleckler [Fri, 20 Sep 1991 20:56:08 +0000 (20:56 +0000)]
Get rid of unreferenced variable NAME left over from translation from
Emacs Lisp lpr.el package.
Arthur Gleckler [Fri, 20 Sep 1991 20:47:15 +0000 (20:47 +0000)]
Add printer output commands LPR-BUFFER, PRINT-BUFFER, LPR-REGION, and
PRINT-REGION.
Arthur Gleckler [Fri, 20 Sep 1991 20:46:48 +0000 (20:46 +0000)]
Initial revision
Arthur Gleckler [Fri, 20 Sep 1991 13:35:25 +0000 (13:35 +0000)]
Fix major mode description to reflect previous change:
Bind DIRED-FLAG-FILE-FOR-COPY to #\k instead of #\C. #\C is already
bound to DIRED-COMPRESS.
Arthur Gleckler [Fri, 20 Sep 1991 13:34:08 +0000 (13:34 +0000)]
Bind DIRED-FLAG-FILE-FOR-COPY to #\k instead of #\C. #\C is already
bound to DIRED-COMPRESS.
Chris Hanson [Fri, 20 Sep 1991 04:04:15 +0000 (04:04 +0000)]
Eliminate use of INTEGRATE-PRIMITIVE-PROCEDURES declaration.
Chris Hanson [Fri, 20 Sep 1991 03:58:39 +0000 (03:58 +0000)]
Eliminate use of INTEGRATE-PRIMITIVE-PROCEDURES declaration.
Arthur Gleckler [Thu, 19 Sep 1991 22:12:17 +0000 (22:12 +0000)]
Fix bug that makes completion on an empty filename break.
Arthur Gleckler [Wed, 18 Sep 1991 22:47:40 +0000 (22:47 +0000)]
Make PROMPT-FOR-INPUT-TRUENAME accept files that are not directories.
The COPY-FILE, DELETE-FILE, and RENAME-FILE commands, which don't
work on directories anyway, will then refuse to accept directories as
arguments.
Chris Hanson [Wed, 18 Sep 1991 20:05:55 +0000 (20:05 +0000)]
Redefine #!optional and #!rest to be something distinct from symbols.
Arthur Gleckler [Wed, 18 Sep 1991 19:25:07 +0000 (19:25 +0000)]
Fix bug in MANUAL-ENTRY that prevents it understanding, e.g., tty(4).
Add removal of footers to NUKE-NROFF-BS.