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2020-06-17Fix some Texinfo markupBasil L. Contovounesios1-1/+1
* doc/misc/gnus-faq.texi (FAQ 3-11): * doc/emacs/frames.texi (Tab Bars): Consistently use @var with lower-case metasyntactic variables and @minus instead of a dash. (Text-Only Mouse): * doc/emacs/files.texi (Auto Revert): * doc/emacs/misc.texi (emacsclient Options) (Embedded WebKit Widgets): * doc/lispref/control.texi (pcase Macro): * doc/lispref/debugging.texi (Backtraces): * doc/lispref/files.texi (Truenames): * doc/lispref/frames.texi (Management Parameters): * doc/lispref/os.texi (Time Calculations): * doc/lispref/text.texi (Parsing JSON): * doc/misc/efaq-w32.texi (Other versions of Emacs, Debugging) (Swap Caps NT, Printing, Bash, Developing with Emacs): * doc/misc/efaq.texi (New in Emacs 25): * doc/misc/emacs-gnutls.texi (Help For Users): * doc/misc/message.texi (Using S/MIME, Passphrase caching): * test/manual/etags/tex-src/gzip.texi (Overview): Use @. when a sentence in the middle of a paragraph ends with an upper-case letter as per "(texinfo) Ending a Sentence".
2020-01-01Update copyright year to 2020Paul Eggert1-1/+1
Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
2019-10-15Add new macro `benchmark-progn'Lars Ingebrigtsen1-3/+3
* doc/lispref/debugging.texi (Profiling): Mention it. * lisp/emacs-lisp/benchmark.el (benchmark-progn): New macro.
2019-09-13Improve print output options commands in backtrace-mode (bug#36566)Gemini Lasswell1-0/+3
* lisp/emacs-lisp/backtrace.el (backtrace-view): Mention :print-gensym in docstring. (backtrace-mode-map): Add keyboard binding for backtrace-toggle-print-gensym. Add menu entries for backtrace-toggle-print-circle and backtrace-toggle-print-gensym. (backtrace--with-output-variables): Bind print-gensym with value of :print-gensym found in view plist. (backtrace-toggle-print-circle): Remove description of implementation details from docstring. (backtrace-toggle-print-gensym): New command. (backtrace--toggle-feature): Add echo area message describing result of command. * test/lisp/emacs-lisp/backtrace-tests.el (backtrace-tests--print-circle): New test. * doc/lispref/debugging.texi (Backtraces): Document keyboard binding for backtrace-toggle-print-gensym.
2019-08-03Improve documentation of debugging Lisp syntax errorEli Zaretskii1-19/+26
* doc/lispref/debugging.texi (Syntax Errors, Excess Open) (Excess Close): Name the commands invoked by the key sequences. Add cross-references to appropriate sections of the Emacs manual. (Bug#21385) (cherry picked from commit faafd467a374c9398ee4668cdc173611d35693ed)
2019-08-03Improve documentation of debugging Lisp syntax errorEli Zaretskii1-19/+26
* doc/lispref/debugging.texi (Syntax Errors, Excess Open) (Excess Close): Name the commands invoked by the key sequences. Add cross-references to appropriate sections of the Emacs manual. (Bug#21385)
2019-01-01Update copyright year to 2019Paul Eggert1-1/+1
Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'.
2018-08-28Index profiler commands in elisp manualNoam Postavsky1-0/+3
* doc/lispref/debugging.texi (Profiling): Add index entries for profiler-start, profiler-report, profiler-stop.
2018-08-03Fix some documentation formatting nitsGemini Lasswell1-5/+5
* doc/misc/ert.texi (Running Tests Interactively): Correct Elisp manual titile in xref. * doc/lispref/edebug.texi (Edebug Misc): Use single argument form of xref. * doc/lispref/debugging.texi (Backtraces): Add comma and period after xref braces. (Backtraces): Correct Emacs manual title. (Internals of Debugger): Add a space before period.
2018-08-03Move 'backtrace' from subr.el to backtrace.elGemini Lasswell1-10/+9
* lisp/subr.el (backtrace, backtrace--print-frame): Remove functions. * lisp/emacs-lisp/backtrace.el (backtrace-backtrace): Remove function. (backtrace): New function. (backtrace-to-string): Make argument optional. * doc/lispref/debugging.texi (Internals of Debugger): Update description of 'backtrace' function.
2018-08-03Add new command to expand all "..."s in a backtrace frameGemini Lasswell1-0/+3
* doc/lispref/debugging.texi (Backtraces): Document new keybinding. * lisp/emacs-lisp/backtrace.el (backtrace-line-length): Add the option of unlimited line length. (backtrace--match-ellipsis-in-string): Add a comment to explain why this function is necessary. (backtrace-mode-map): Add keybinding for 'backtrace-expand-ellipses'. (backtrace-expand-ellipsis): Use 'cl-print-to-string-with-limit'. (backtrace-expand-ellipses): New command. (backtrace-print-to-string): Use 'cl-print-to-string-with-limit'. Tag the printed forms with a gensym instead of the values of print-length and print-level. (backtrace--print): Add 'stream' argument. * test/lisp/emacs-lisp/backtrace-tests.el (backtrace-tests--expand-ellipsis): Make the test less dependent on the implementation. (backtrace-tests--expand-ellipses): New test. Move the fitting of a printed representation into a limited number of characters using appropriate values of print-level and print-length from 'backtrace-print-to-string' to cl-print.el for future use by other parts of Emacs. * lisp/emacs-lisp/cl-print.el (cl-print-to-string-with-limit): New function. * test/lisp/emacs-lisp/cl-print-tests.el (cl-print-tests-print-to-string-with-limit): New test.
2018-08-03Change keybinding for backtrace-collapse from '=' to '-'Gemini Lasswell1-1/+1
'+' and '-' make a more intuitive pair of keybindings for backtrace-pretty-print and backtrace-collapse than '+' and '='. * lisp/emacs-lisp/backtrace.el (backtrace-mode-map): * doc/lispref/debugging.texi (Backtraces): Change keybinding for backtrace-collapse.
2018-08-03Add backtrace-mode and use it in the debugger, ERT and EdebugGemini Lasswell1-21/+72
* doc/lispref/debugging.texi (Using Debugger): Remove explanation of backtrace buffer. Refer to new node. (Backtraces): New node. (Debugger Commands): Refer to new node. Remove 'v'. * doc/lispref/edebug.texi (Edebug Misc): Refer to new node. * doc/misc/ert.texi (Running Tests Interactively): Refer to new node. * lisp/emacs-lisp-backtrace.el: New file. * test/lisp/emacs-lisp/backtrace-tests.el: New file. * lisp/emacs-lisp/debug.el: (debugger-buffer-state): New cl-defstruct. (debugger--restore-buffer-state): New function. (debug): Use a debugger-buffer-state object to save and restore buffer state. Fix bug#15749 by leaving an unused buffer in debugger-mode, empty, instead of in fundamental-mode, and then when reusing a buffer, not calling debugger-mode if the buffer is already in debugger-mode. (debugger-insert-backtrace): Remove. (debugger-setup-buffer): Use backtrace-mode. (debugger--insert-header): New function. (debugger-continue, debugger-return-value): Change check for flags to use backtrace-frames. (debugger-frame-number): Determine backtrace frame number from backtrace-frames. (debugger--locals-visible-p, debugger--insert-locals) (debugger--show-locals, debugger--hide-locals) (debugger-toggle-locals): Remove. (debugger-mode-map): Make a child of backtrace-mode-map. Move navigation commands to backtrace-mode-map. Bind 'q' to debugger-quit instead of top-level. Make Help Follow menu item call backtrace-help-follow-symbol. (debugger-mode): Derive from backtrace-mode. (debug-help-follow): Remove. Move body of this function to 'backtrace-help-follow-symbol' in backtrace.el. (debugger-quit): New function. * lisp/emacs-lisp/edebug.el (edebug-unwrap-results): Remove warning in docstring about circular results. (edebug-unwrap): Use pcase. (edebug-unwrap1): New function to unwrap circular objects. (edebug-unwrap*): Use it. (edebug--frame): New cl-defstruct. (edebug-backtrace): Call the buffer *Edebug Backtrace* and use backtrace-mode. Get the frames from edebug--backtrace-frames. (edebug--backtrace-frames, edebug--unwrap-and-add-info) (edebug--symbol-not-prefixed-p): New functions. * lisp/emacs-lisp/lisp-mode.el (lisp-el-font-lock-keywords-for-backtraces) (lisp-el-font-lock-keywords-for-backtraces-1) (lisp-el-font-lock-keywords-for-backtraces-2): New constants. * lisp/emacs-lisp/ert.el (ert--print-backtrace): Remove. (ert--run-test-debugger): Use backtrace-get-frames. (ert-run-tests-batch): Use backtrace-to-string. (ert-results-pop-to-backtrace-for-test-at-point): Use backtrace-mode. (ert--insert-backtrace-header): New function. * tests/lisp/emacs-lisp/ert-tests.el (ert-test--which-file): Use backtrace-frame slot accessor.
2018-07-07Improve indexing of 'eval-defun' in ELisp manualEli Zaretskii1-0/+1
* doc/lispref/display.texi (Defining Faces): * doc/lispref/debugging.texi (Explicit Debug): * doc/lispref/customize.texi (Variable Definitions): * doc/lispref/variables.texi (Defining Variables): Add index entries for 'eval-defun'. (Bug#32066)
2018-02-17Improve documentation of Profiling featuresEli Zaretskii1-23/+36
* doc/lispref/debugging.texi (Profiling): Improve the description of elp.el. Improve wording of the rest of the section. (Bug#30491) * lisp/emacs-lisp/elp.el (elp-instrument-list): Make the interactive invocation work. Doc fix.
2018-02-17Improve indexing of "performance" in ELisp manualEli Zaretskii1-0/+1
* doc/lispref/debugging.texi (Profiling): * doc/lispref/edebug.texi (Coverage Testing): Improve indexing of features useful for performance analysis. (Bug#30490)
2018-01-31Use @key{} where it is missing in the manualsMichael Albinus1-4/+4
2018-01-28Fix some issues in the emacs/lispref manualsMartin Rudalics1-4/+4
* doc/emacs/basic.texi (Continuation Lines): * doc/emacs/building.texi (GDB User Interface Layout): * doc/emacs/dired.texi (Misc Dired Features): * doc/emacs/maintaining.texi (Identifier Search): * doc/emacs/mark.texi (Using Region): * doc/emacs/misc.texi (Document View, DocView Conversion): * doc/emacs/modes.texi (Major Modes): * doc/emacs/mule.texi (Input Methods, Unibyte Mode): * doc/emacs/sending.texi (Mail Methods): Replace @code by @kbd. * doc/emacs/frames.texi (Text-Only Mouse): * doc/lispref/maps.texi (Standard Keymaps): Replace @kbd by @key. * doc/lispref/compile.texi (Compiler Errors): Write non-@code{nil} instead of non-nil. * doc/lispref/debugging.texi (Internals of Debugger): 'backtrace' is not a command. 'debugger-stack-frame-as-list' is an option. * doc/lispref/display.texi (Size of Displayed Text): 'window-lines-pixel-dimensions' has a last argument 'left'. * doc/lispref/display.texi (Attribute Functions): 'set-face-underline' and 'set-face-inverse-video' are commands. (Tooltips): 'tooltip-frame-parameters' is an option. (Bidirectional Display): 'bidi-paragraph-direction' is an option. * doc/lispref/frames.texi (Cursor Parameters): 'cursor-type' is an option. (Input Focus): Argument FRAME of 'x-focus-frame' is not optional. (Child Frames): Both arguments of 'frame-ancestor-p' are non-optional. 'iconify-child-frame' is an option. * doc/lispref/os.texi (Killing Emacs): 'kill-emacs-query-functions' is an option. * doc/lispref/windows.texi (Mouse Window Auto-selection): 'mouse-autoselect-window' is an option.
2018-01-15* src/print.c (syms_of_print) <print_quoted>: Set default to trueStefan Monnier1-2/+2
2018-01-13Mention trace.el facilities in the ELisp manualEli Zaretskii1-0/+10
* doc/lispref/debugging.texi (Debugging): Mention the trace.el library.
2018-01-01Update copyright year to 2018Paul Eggert1-1/+1
Run admin/update-copyright.
2017-10-09; Typo fixes, mostly repeated wordsPaul Eggert1-1/+1
2016-12-31Update copyright year to 2017Paul Eggert1-1/+1
Run admin/update-copyright.
2016-12-12Move backtrace to ELisp using a new mapbacktrace primitiveClément Pit--Claudel1-1/+22
* src/eval.c (get_backtrace_starting_at, backtrace_frame_apply) (Fmapbacktrace, Fbacktrace_frame_internal): New functions. (get_backtrace_frame, Fbacktrace_debug): Use `get_backtrace_starting_at'. * lisp/subr.el (backtrace--print-frame): New function. (backtrace): Reimplement using `backtrace--print-frame' and `mapbacktrace'. (backtrace-frame): Reimplement using `backtrace-frame--internal'. * lisp/emacs-lisp/debug.el (debugger-setup-buffer): Pass a base to `mapbacktrace' instead of searching for "(debug" in the output of `backtrace'. * test/lisp/subr-tests.el (subr-test-backtrace-simple-tests) (subr-test-backtrace-integration-test): New tests. * doc/lispref/debugging.texi (Internals of Debugger): Document `mapbacktrace' and missing argument BASE of `backtrace-frame'.
2016-12-02Document watchpointsNoam Postavsky1-0/+31
* doc/lispref/debugging.texi (Variable Debugging): * doc/lispref/variables.texi (Watching Variables): New section. * etc/NEWS: Add entry for watchpoints
2016-10-22Explain how to debug emacsclient lisp errorsNoam Postavsky1-0/+7
* doc/lispref/debugging.texi (Error Debugging): Mention that debug-on-signal is useful for getting backtraces from emacsclient (Bug#24616).
2016-10-04Restore 'command-debug-status' functionalityPhilippe Vaucher1-0/+2
* src/callint.c (Fcall_interactively): Bind command-debug-status to nil. This restores functionality inadvertently removed in Emacs 25.1. (Bug#24555) * lisp/subr.el (command-debug-status): Declare obsolete. * doc/lispref/debugging.texi (Internals of Debugger): Document that 'command-debug-status' is obsolete.
2016-09-30New user option 'debugger-stack-frame-as-list'Vasilij Schneidermann1-0/+31
* src/eval.c (syms_of_eval) <debugger-stack-frame-as-list>: New variable. * lisp/cus-start.el (standard): Add debugger-stack-frame-as-list. * lisp/emacs-lisp/debug.el (debugger-setup-buffer): Adjust backtrace processing for the value of debugger-stack-frame-as-list. * lisp/emacs-lisp/edebug.el (edebug-backtrace): Adjust backtrace processing for the value of debugger-stack-frame-as-list. * doc/lispref/debugging.texi (Internals of Debugger): Document debugger-stack-frame-as-list. * etc/NEWS: Mention 'debugger-stack-frame-as-list'.
2016-07-28profiler: document prefix arg for tree expansionNoam Postavsky1-2/+3
* doc/lispref/debugging.texi (Profiling): * lisp/profiler.el (profiler-report-toggle-entry): Document use of prefix argument to expand whole call trees.
2016-02-01Some corrections in Elisp manualMartin Rudalics1-2/+2
* doc/lispref/buffers.texi (Read Only Buffers): Describe optional argument POSITION. * doc/lispref/debugging.texi (Error Debugging): `debug-on-signal' is an option. * doc/lispref/display.texi (Refresh Screen): Describe optional argument FRAME of `redraw-frame'. (Attribute Functions): Describe optional argument CHARACTER of `face-font'. (Defining Images): `image-load-path' is an option. (Beeping): `ring-bell-function' is an option. * doc/lispref/frames.texi (Size and Position): The PIXELWISE argument of `set-frame-size' is optional. (Raising and Lowering): The TERMINAL argument of `tty-top-frame' is optional. * doc/lispref/keymaps.texi (Controlling Active Maps): Fix doc of `set-transient-map'. * doc/lispref/minibuf.texi (Text from Minibuffer): `read-regexp-defaults-function' is an option. (Minibuffer Contents): `delete-minibuffer-contents' is a command. * doc/lispref/modes.texi (Mode Line Variables): `mode-line-position' and `mode-line-modes' are variables, not options. * doc/lispref/strings.texi (Creating Strings): The START argument of `substring' is optional. * doc/lispref/text.texi (Buffer Contents): Describe optional argument NO-PROPERTIES of `thing-at-point'. (User-Level Deletion): Both arguments of `delete-trailing-whitespace' are optional. (Margins): Use @key{RET} instead of @kbd{RET}. * doc/lispref/windows.texi (Display Action Functions): Write non-@code{nil} instead of non-nil. (Choosing Window Options): The WINDOW arg of `split-window-sensibly' is optional. (Choosing Window Options): Write non-@code{nil} instead of non-nil. (Window Start and End): Both args of `window-group-end' are optional. * src/buffer.c (Fbarf_if_buffer_read_only): Rename argument POS to POSITION to keep consisteny with doc-string.
2016-01-01Update copyright year to 2016Paul Eggert1-1/+1
Run admin/update-copyright.
2015-09-15Quote less in manualsPaul Eggert1-2/+2
The manuals often used quotes ``...'' when it is better to use @dfn or @code or capitalized words or no quoting at all. For example, there is no need for the `` and '' in “if a variable has one effect for @code{nil} values and another effect for ``non-@code{nil}'' values”. Reword the Emacs, Lisp intro, and Lisp reference manuals to eliminate unnecessary quoting like this, and to use @dfn etc. instead when called for (Bug#21472).
2015-05-16* doc/lispref/debugging.texi (Profiling): Improve indexing.Eli Zaretskii1-0/+1
(Bug#20576)
2015-01-01Update copyright year to 2015Paul Eggert1-1/+1
Run admin/update-copyright.
2015-01-01Update copyright year to 2015Paul Eggert1-1/+1
Run admin/update-copyright.
2014-12-23Improve indexing on the chapter/section/subsection levels.Eli Zaretskii1-0/+6
doc/lispref/windows.texi (Recombining Windows): Index subject of sections. doc/lispref/variables.texi (Variables with Restricted Values) (Generalized Variables): Index subject of sections. doc/lispref/text.texi (Buffer Contents, Examining Properties) (Changing Properties, Property Search, Substitution): Index subject of sections. doc/lispref/syntax.texi (Motion and Syntax, Parsing Expressions) (Motion via Parsing, Position Parse, Control Parsing): Index subject of sections. doc/lispref/strings.texi (Predicates for Strings, Creating Strings) (Modifying Strings, Text Comparison): Index subject of sections. doc/lispref/searching.texi (Syntax of Regexps, Regexp Special) (Regexp Functions, Regexp Functions): Index subject of sections. doc/lispref/processes.texi (Subprocess Creation, Process Information): Index subject of sections. doc/lispref/positions.texi (Screen Lines): Index subject of sections. doc/lispref/nonascii.texi (Scanning Charsets, Specifying Coding Systems): Index subject of sections. doc/lispref/minibuf.texi (Text from Minibuffer, Object from Minibuffer) (Multiple Queries, Minibuffer Contents): Index subject of sections. doc/lispref/markers.texi (Predicates on Markers, Creating Markers) (Information from Markers, Moving Markers): Index subject of sections. doc/lispref/macros.texi (Defining Macros, Problems with Macros): Index subject of sections. doc/lispref/loading.texi (Loading Non-ASCII, Where Defined): Index subject of sections. doc/lispref/lists.texi (List-related Predicates, List Variables, Setcar) (Setcdr, Plist Access): Index subject of sections. doc/lispref/keymaps.texi (Controlling Active Maps, Scanning Keymaps) (Modifying Menus): Index subject of sections. doc/lispref/help.texi (Accessing Documentation, Help Functions): Index subject of sections. doc/lispref/hash.texi (Hash Access): Index subject of sections. doc/lispref/functions.texi (Core Advising Primitives) (Advising Named Functions, Porting old advices): Index subject of sections. doc/lispref/frames.texi (Creating Frames, Initial Parameters) (Position Parameters, Buffer Parameters, Minibuffers and Frames) (Pop-Up Menus, Drag and Drop): Index subject of sections. doc/lispref/files.texi (Visiting Functions, Kinds of Files) (Unique File Names): Index subject of sections. doc/lispref/display.texi (Refresh Screen, Echo Area Customization) (Warning Variables, Warning Options, Delayed Warnings) (Temporary Displays, Managing Overlays, Overlay Properties) (Finding Overlays, Size of Displayed Text, Defining Faces) (Attribute Functions, Displaying Faces, Face Remapping) (Basic Faces, Font Lookup, Fontsets, Replacing Specs) (Defining Images, Showing Images): Index subject of sections. doc/lispref/debugging.texi (Debugging, Explicit Debug) (Invoking the Debugger, Excess Open, Excess Close): Index subject of sections. doc/lispref/customize.texi (Defining New Types, Applying Customizations) (Custom Themes): Index subject of sections. doc/lispref/control.texi (Sequencing, Combining Conditions) (Processing of Errors, Cleanups): Index subject of sections. doc/lispref/compile.texi (Eval During Compile): Index subject of sections. doc/lispref/commands.texi (Using Interactive, Distinguish Interactive) (Command Loop Info, Classifying Events, Event Mod) (Invoking the Input Method): Index subject of sections. doc/lispref/buffers.texi (Buffer List, Buffer Gap): Index subject of sections. doc/lispref/backups.texi (Making Backups, Numbered Backups, Backup Names) (Reverting): Index subject of sections. doc/lispref/abbrevs.texi (Abbrev Tables, Defining Abbrevs, Abbrev Files) (Abbrev Expansion, Standard Abbrev Tables, Abbrev Properties) (Abbrev Table Properties): Index subject of sections. doc/lispref/os.texi (Time of Day, Time Conversion, Time Parsing) (Time Calculations, Idle Timers): Index subject of sections.
2014-07-08* doc/lispref/debugging.texi (Function Debugging, Debugger Commands):Stefan Monnier1-17/+2
Update debug-on-entry w.r.t behavior after redefinitions. Fixes: debbugs:17902
2014-02-13Small doc updates for debuggingGlenn Morris1-3/+3
* doc/lispref/debugging.texi (Debugger Commands): Tiny edits. * lisp/jit-lock.el (jit-lock-mode): Doc fix. * etc/NEWS: Related edits.
2014-01-01Update copyright year to 2014 by running admin/update-copyright.Paul Eggert1-1/+1
2013-12-22Document `debugger-toggle-locals'.Xue Fuqiao1-0/+5
* doc/lispref/debugging.texi (Debugger Commands): Document `debugger-toggle-locals'.
2013-07-02Fix some doc/ cross-referencesGlenn Morris1-1/+1
* doc/lispintro/emacs-lisp-intro.texi (edebug): * doc/lispref/debugging.texi (Debugging): * doc/lispref/files.texi (File Attributes, Changing Files): * doc/misc/bovine.texi (top): * doc/misc/cc-mode.texi (AWK Mode Font Locking): * doc/misc/mh-e.texi (Preface): * doc/misc/url.texi (URI Parsing): Fix cross-references to other manuals. * doc/lispref/package.texi (Package Archives): Fix @url call.
2013-01-01Update copyright notices for 2013.Paul Eggert1-1/+2
2012-11-21* doc/lispref/debugging.texi (Profiling): Make it more clearStefan Monnier1-1/+1
that --enable-profiling is about profiling the C code.
2012-11-20Add a bit more about profiling to the lisprefGlenn Morris1-3/+16
* doc/lispref/debugging.texi (Profiling): Add some basic information about the profile report buffer. (Debugging): Mention profiling in the introduction.
2012-11-20* doc/lispref/debugging.texi (Profiling) [!tex]: Mention --enable-profiling.Glenn Morris1-0/+11
2012-11-20Fix typos in previousGlenn Morris1-2/+2
2012-11-20Make a start on a Profiling section in the lisprefGlenn Morris1-0/+40
* doc/lispref/debugging.texi (Profiling): New section, in progress. * doc/lispref/tips.texi (Compilation Tips): Move profiling to separate section. * doc/lispref/elisp.texi: Add Profiling to detailed menu.
2012-11-10Document debugger-bury-or-killGlenn Morris1-2/+7
* doc/lispref/debugging.texi (Using Debugger): Mention debugger-bury-or-kill. * lisp/emacs-lisp/debug.el (debugger-bury-or-kill): Doc tweak. * etc/NEWS: Related edit.
2012-11-10* doc/lispref/debugging.texi (Error Debugging): Mention debug-on-message.Glenn Morris1-0/+8
* etc/NEWS: Related markup.
2012-11-10Document new error symbol and function user-errorGlenn Morris1-6/+6
* doc/lispref/control.texi (Signaling Errors): * doc/lispref/debugging.texi (Error Debugging): * doc/lispref/errors.texi (Standard Errors): Add user-error. * etc/NEWS: Related markup.
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