[Info-nano] [ANNOUNCE] nano-5.1 is released

[Benno Schulenberg]

2020.08.12 - GNU nano 5.1  "Cantabria"

• M-Bsp (Alt+Backspace) deletes a word backwards, like in Bash.
• M-[ has become bindable.  (Be careful, though: as it is the
  starting combination of many escape sequences, avoid gluing
  it together with other keystrokes, like in a macro.)
• With --indicator and --softwrap, the first keystroke in an
  empty buffer does not crash.
• Invoking the formatter while text is marked does not crash.
• In UTF-8 locales, an anchor is shown as a diamond.


GNU nano is a simple and easy-to-use editor for on the terminal.
  https://nano-editor.org/
  https://nano-editor.org/manual.html

A concise overview of nano's shortcut keystrokes:
  https://nano-editor.org/cheatsheet.html

The tarball and its signature are here:
  https://nano-editor.org/dist/latest/nano-5.1.tar.xz
  https://nano-editor.org/dist/latest/nano-5.1.tar.xz.asc


Specific issues that were addressed in this release:
  https://savannah.gnu.org/bugs/?58709  (let M-Bsp delete word backwards [wish])
  https://savannah.gnu.org/bugs/?58820  (make M-[ bindable [wish])
  https://savannah.gnu.org/bugs/?58855  (main help text did not list M-X)
  https://savannah.gnu.org/bugs/?58856  (^T^S gave no feedback on Linux console)

  https://savannah.gnu.org/bugs/?58861  (compilation warnings with gcc-10.1.0)
  https://savannah.gnu.org/bugs/?58864  (theoretical bad error message)
  https://savannah.gnu.org/bugs/?58865  (checking empty file gave no feedback)
  https://savannah.gnu.org/bugs/?58868  (^C while piping could cause mayhem)

  https://savannah.gnu.org/bugs/?58879  (invoking the formatter could crash)
  https://savannah.gnu.org/bugs/?58884  (anchor was not shown for scrolled line)
  https://savannah.gnu.org/bugs/?58890  (first keystroke with -Sq could crash)
  https://savannah.gnu.org/bugs/?58909  (M-V plus M-Bsp entered nothing)

  https://savannah.gnu.org/bugs/?58921  (typing <Ctrl+Up> could move down)
  https://savannah.gnu.org/bugs/?58923  (resizing during Unicode Input griped)
  https://savannah.gnu.org/bugs/?58927  (letter at Unicode Input entered junk)
  https://savannah.gnu.org/bugs/?58928  (M-V plus accented letter complained)


Changes between v5.0 and v5.1:
------------------------------

Michalis Kokologiannakis (2):
      build: avoid compilation warnings by using memcpy() instead of strncpy()
      files: ignore only EPERM when fchmod() or fchown() fails

Benno Schulenberg (57):
      anchor: in a UTF-8 locale, show an anchor as a diamond, for visibility
      anchor: show an anchor also when the line is horizontally scrolled
      bindings: make <Alt+Backspace> delete a word backwards, like in Bash
      build: fix compilation for --enable-tiny --enable-nanorc --enable-color
      build: fix compilation when configured with --enable-tiny
      build: stop distributing the two old Changelogs
      bump version numbers and add a news item for the 5.1 release
      display: show the cursor position also right after the screen is resized
      docs: fix a closing tag in the FAQ  [tidy]
      docs: mention that anchors are visible when line numbers are shown
      feedback: add the reason to the error message when forking fails
      feedback: use three dots to indicate processing, like everywhere else
      feedback: when creating a pipe fails, report also the reason
      files: do not try writing to the status bar while not in curses mode
      formatter: force the mark off, to not crash by accessing empty cutbuffer
      gnulib: update to its current upstream state
      help: list again the keystroke for toggling the help lines (M-X)
      input: understand M-Bsp also when terminfo does not match the terminal
      moving: make <Ctrl+Up> go to the top when above the cursor all is blank
      po: update translations and regenerate POT file and PO files
      rcfile: allow to bind M-[  (even though it is an escape-sequence starter)
      softwrap: initialize the 'extrarows' value for the magic line correctly
      speller: give proper feedback when the user tries to check emptiness
      speller: give startup feedback (relevant when running on a Linux console)
      speller: re-enter curses mode before trying to report an error
      syntax: css: differentiate pseudo-classes (now cyan) from comments (blue)
      syntax: default: colorize also "GNU nano 5.x"
      tweaks: adjust the indentation after the previous change
      tweaks: adjust the indentation after the previous change
      tweaks: avoid a maybe-uninitialized-variable warning from gcc
      tweaks: baptize the release
      tweaks: elide an unneeded variable, by transforming the key code directly
      tweaks: elide two variables that are no longer needed, and update comment
      tweaks: exclude old and mistaken "Esc O" sequences from the tiny version
      tweaks: make a few more direct returns, and reshuffle another bit of code
      tweaks: make a misplaced call of statusline() more obvious by crashing
      tweaks: normalize the indentation after the previous change
      tweaks: normalize the indentation, and regroup two lines
      tweaks: optimize for byte-range characters, and shorten some comments
      tweaks: parse the escape-sequence bytes without copying them first
      tweaks: pass first byte of sequence directly to the decoding function
      tweaks: print error message directly instead of passing it to the caller
      tweaks: read keycodes from the keystroke buffer without copying them
      tweaks: remove an unneeded beep, and reshuffle the lines for compactness
      tweaks: reshuffle a few lines, to condense the code, and improve comment
      tweaks: reshuffle four lines, for esthetics
      tweaks: reshuffle some fragments, to make the next change easier
      tweaks: reshuffle the zeroing of a counter, to allow some direct returns
      tweaks: simplify two functions, as they now return always NULL
      tweaks: split a function into two, one for "Esc O" and one for "Esc ["
      tweaks: stop using a 'switch' when there are just three possibilities
      verbatim: discard entire keystroke when it's not valid for Unicode Input
      verbatim: do not report "Invalid code" when a Unicode character is typed
      verbatim: do not report "Invalid code" when the terminal is resized
      verbatim: insert the full code sequence when <Alt+Backspace> is pressed
      verbatim: pause a little after an ESC, to not miss a succeeding code
      verbatim: report and ignore an invalid keystroke for Unicode input

-- 

Benno

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