Problem reported by Stefan Monnier (Bug#32476).
* src/lread.c (string_to_number): Don't pass leading "+"
or trailing "." or junk to make_bignum_str.
* test/src/lread-tests.el (lread-string-to-number-trailing-dot):
New test.

* test/src/data-tests.el (data-tests-bignum, data-tests-+)
(data-tests-/, data-tests-number-predicates): New tests.
* test/src/fns-tests (test-bignum-eql): New test.
* test/src/lread-tests (lread-long-hex-integer): Expect bignum.
* test/src/print-tests (print-bignum): New test.

Problem reported by Philipp Stephani (Bug#31556).
* src/lread.c (read_vector): When load_force_doc_strings, check
for byte code vectors that are invalid because they are too short.
* test/src/lread-tests.el (lread-invalid-bytecodes): New test.

5de608f (origin/emacs-26) Update the documentation of 'perform-replace'
06245b6 * etc/NEWS: Another fix for the last change (noted by Juri Li...
8f6293c Fix use of @key in Texinfo manuals
f4c9894 Improve documentation of actual arglist
ce0e253 ; * etc/NEWS: Improve last change as proposed by Phil Sainty
b89ff0e Don't assume term-current-row cache is valid (Bug#31193)
326a296 ; * etc/NEWS: Mention 'display-buffer-in-major-side-window' c...
3bdc9a1 Fix flyspell-auto-correct-previous-word broken by recent change
a539eb5 * test/src/lread-tests.el (lread-test-bug-31186): New test.
3fa472b Fix undefined behaviour while looking for lexical-binding fil...
4341aac Minor wording improvement in "Bookmarks"

Conflicts:
	test/src/lread-tests.el

* src/lread.c (read_integer): If a radixed integer has valid syntax
but is waayyy too large, signal overflow instead of invalid syntax.
* test/src/lread-tests.el (lread-long-hex-integer): New test.

That commit did not make the corresponding change to printing, thus
breaking the (eq (read (prin1-to-string SYM)) SYM) invariant for those
symbols.  It's too late in the release cycle to change printing
behavior, therefore revert the reader change.

Don't merge to master, the print function will be updated there (see
"Fix round tripping of read->print for symbols with strange quotes").

* src/lread.c (load_error_old_style_backquotes): Improve error message
if no file is being loaded.

* test/src/lread-tests.el (lread-tests--force-new-style-backquotes):
Adapt test.

* src/lread.c (syms_of_lread): Add new variable
'force-new-style-backquotes'.
(read_internal_start): Use it.

* test/src/lread-tests.el (lread-tests--force-new-style-backquotes):
New test.

* etc/NEWS: Document new variable.

63b04c11d5 Fix copyright years by hand
5c7dd8a783 Update copyright year to 2018
220a9ecba1 Merge from Gnulib
312c565566 Don't add empty keyboard macro to macro ring (Bug#24992)
39ca289a7a Allow customization of decoding of "man" command
f8240815ea * etc/NEWS: Add security consideration note on passphrase ...
0c78822c70 Fix subtle problem with scroll-down when scroll-margin is ...
acd289c5a4 Fix problems with indexing in User manual
b240c7846b * lisp/help.el (describe-key): Only (copy-sequence elt) wh...
e879a5444a * src/buffer.c (Frestore_buffer_modified_p): Fix bug#29846
81b1028b63 Improve documentation of 'inhibit-modification-hooks' and ...
7175496d7a Fix doc string of 'enable-recursive-minibuffers'
5b38406491 Fix documentation of delsel and of killing text

# Conflicts:
#	etc/NEWS
#	etc/refcards/ru-refcard.tex