File and documentation tidies for 10.41 release

ChangeLog

@@ -2,11 +2,11 @@ Change Log for PCRE2 - see also the Git log
 -------------------------------------------
 
 
-Version 10.41 xx-xxx-2022
--------------------------
+Version 10.41 06-December-2022
+------------------------------
 
 1. Add fflush() before and after a fork callout in pcre2grep to get its output
-to be the same on all systems. (THere were previously ordering differences in
+to be the same on all systems. (There were previously ordering differences in
 Alpine Linux).
 
 2. Merged patch from @carenas (GitHub #110) for pthreads support in CMake.
@@ -32,35 +32,35 @@ tidied up an untidy #ifdef arrangement in pcre2test.
 8. Fixed an issue in the backtracking optimization of character repeats in
 JIT. Furthermore optimize star repetitions, not just plus repetitions.
 
-9. Removed the use of an initial backtracking frames vector on the system stack 
-in pcre2_match() so that it now always uses the heap. (In a multi-thread 
-environment with very small stacks there had been an issue.) This also is 
-tidier for JIT matching, which didn't need that vector. The heap vector is now 
-remembered in the match data block and re-used if that block itself is re-used. 
+9. Removed the use of an initial backtracking frames vector on the system stack
+in pcre2_match() so that it now always uses the heap. (In a multi-thread
+environment with very small stacks there had been an issue.) This also is
+tidier for JIT matching, which didn't need that vector. The heap vector is now
+remembered in the match data block and re-used if that block itself is re-used.
 It is freed with the match data block.
 
 10. Adjusted the find_limits code in pcre2test to work with change 9 above.
 
-11. Added find_limits_noheap to pcre2test, because the heap limits are now 
-different in different environments and so cannot be included in the standard 
+11. Added find_limits_noheap to pcre2test, because the heap limits are now
+different in different environments and so cannot be included in the standard
 tests.
 
-12. Created a test for pcre2_match() heap processing that is not part of the 
-tests run by 'make check', but can be run manually. The current output is from 
+12. Created a test for pcre2_match() heap processing that is not part of the
+tests run by 'make check', but can be run manually. The current output is from
 a 64-bit system.
 
 13. Implemented -Z aka --null in pcre2grep.
 
 14. A minor change to pcre2test and the addition of several new pcre2grep tests
-have improved LCOV coverage statistics. At the same time, code in pcre2grep and 
+have improved LCOV coverage statistics. At the same time, code in pcre2grep and
 elsewhere that can never be obeyed in normal testing has been excluded from
 coverage.
 
 15. Fixed a bug in pcre2grep that could cause an extra newline to be written
 after output generaed by --output.
 
-16. If a file has a .bz2 extension but is not in fact compressed, pcre2grep 
-should process it as a plain text file. A bug stopped this happening; now fixed 
+16. If a file has a .bz2 extension but is not in fact compressed, pcre2grep
+should process it as a plain text file. A bug stopped this happening; now fixed
 and added to the tests.
 
 17. When pcre2grep was running not in UTF mode, if a string specified by
@@ -75,20 +75,22 @@ pointers had out of place PCRE2_CALL_CONVENTION in src/pcre2.h.*. These
 produced errors when building for Windows with #define PCRE2_CALL_CONVENTION
 __stdcall.
 
-20. A negative repeat value in a pcre2test subject line was not being 
+20. A negative repeat value in a pcre2test subject line was not being
 diagnosed, leading to infinite looping.
 
-21. Updated RunGrepTest to discard the warning that Bash now gives when setting 
-LC_CTYPE to an bad value (because older versions didn't).
+21. Updated RunGrepTest to discard the warning that Bash now gives when setting
+LC_CTYPE to a bad value (because older versions didn't).
 
-22. Updated pcre2grep so that it behaves like GNU grep when matching more than 
-one pattern and a later pattern matches at an earlier point in the subject when 
+22. Updated pcre2grep so that it behaves like GNU grep when matching more than
+one pattern and a later pattern matches at an earlier point in the subject when
 the matched substrings are being identified by colour or by offsets.
 
-23. Updated the PrepareRelease script so that the man page that it makes for 
-the pcre2demo demonstration program is more standard and does not cause errors 
+23. Updated the PrepareRelease script so that the man page that it makes for
+the pcre2demo demonstration program is more standard and does not cause errors
 when processed by lexgrog or mandb -c (GitHub issue #160).
 
+24. The JIT compiler was updated.
+
 
 Version 10.40 15-April-2022
 ---------------------------

Makefile.am

@@ -632,15 +632,23 @@ EXTRA_DIST += \
   testdata/grepinput \
   testdata/grepinput3 \
   testdata/grepinput8 \
+  testdata/grepinputC.bz2 \
+  testdata/grepinputC.gz \
   testdata/grepinputM \
   testdata/grepinputv \
   testdata/grepinputx \
   testdata/greplist \
+  testdata/grepnot.bz2 \
   testdata/grepoutput \
   testdata/grepoutput8 \
   testdata/grepoutputC \
   testdata/grepoutputCN \
+  testdata/grepoutputCNU \
+  testdata/grepoutputCU \
+  testdata/grepoutputCbz2 \
+  testdata/grepoutputCgz \
   testdata/grepoutputN \
+  testdata/grepoutputUN \
   testdata/greppatN4 \
   testdata/testbtables \
   testdata/testinput1 \
@@ -670,6 +678,7 @@ EXTRA_DIST += \
   testdata/testinput25 \
   testdata/testinput26 \
   testdata/testinputEBC \
+  testdata/testinputheap \
   testdata/testoutput1 \
   testdata/testoutput2 \
   testdata/testoutput3 \
@@ -713,6 +722,9 @@ EXTRA_DIST += \
   testdata/testoutput25 \
   testdata/testoutput26 \
   testdata/testoutputEBC \
+  testdata/testoutputheap-16 \
+  testdata/testoutputheap-32 \
+  testdata/testoutputheap-8 \
   testdata/valgrind-jit.supp \
   testdata/wintestinput3 \
   testdata/wintestoutput3 \

NEWS

@@ -2,6 +2,16 @@ News about PCRE2 releases
 -------------------------
 
 
+Version 10.41 06-December-2022
+------------------------------
+
+This is another mainly bug-fixing and code-tidying release. There is one
+significant upgrade to pcre2grep: it now behaves like GNU grep when matching
+more than one pattern and a later pattern matches at an earlier point in the
+subject when the matched substrings are being identified by colour or by
+offsets.
+
+
 Version 10.40 15-April-2022
 ---------------------------
 

RunGrepTest

@@ -846,7 +846,7 @@ if [ $? -ne 0 ]; then
   echo "RC=2" >>testtrygrep
 else
 
-# Bash has started giving a warning when LC_CTYPE is set to a bad value. In 
+# Bash has started giving a warning when LC_CTYPE is set to a bad value. In
 # order to remain compatible with older versions, the following code is a bit
 # contorted.
 

configure.ac

@@ -11,13 +11,13 @@ dnl be defined as -RC2, for example. For real releases, it should be empty.
 m4_define(pcre2_major, [10])
 m4_define(pcre2_minor, [41])
 m4_define(pcre2_prerelease, [])
-m4_define(pcre2_date, [2022-xx-xx])
+m4_define(pcre2_date, [2022-12-06])
 
 # Libtool shared library interface versions (current:revision:age)
-m4_define(libpcre2_8_version,     [11:0:11])
-m4_define(libpcre2_16_version,    [11:0:11])
-m4_define(libpcre2_32_version,    [11:0:11])
-m4_define(libpcre2_posix_version, [3:2:0])
+m4_define(libpcre2_8_version,     [11:1:11])
+m4_define(libpcre2_16_version,    [11:1:11])
+m4_define(libpcre2_32_version,    [11:1:11])
+m4_define(libpcre2_posix_version, [3:3:0])
 
 # NOTE: The CMakeLists.txt file searches for the above variables in the first
 # 50 lines of this file. Please update that if the variables above are moved.

doc/html/pcre2api.html

@@ -1381,7 +1381,7 @@ <h1>pcre2api man page</h1>
 NULL immediately. Otherwise, the variables to which these point are set to an
 error code and an offset (number of code units) within the pattern,
 respectively, when <b>pcre2_compile()</b> returns NULL because a compilation
-error has occurred. 
+error has occurred.
 </P>
 <P>
 There are nearly 100 positive error codes that <b>pcre2_compile()</b> may return

doc/html/pcre2grep.html

@@ -103,7 +103,7 @@ <h1>pcre2grep man page</h1>
 BUFSIZ is defined in <b>&#60;stdio.h&#62;</b>. When there is more than one pattern
 (specified by the use of <b>-e</b> and/or <b>-f</b>), each pattern is applied to
 each line in the order in which they are defined, except that all the <b>-e</b>
-patterns are tried before the <b>-f</b> patterns. 
+patterns are tried before the <b>-f</b> patterns.
 </P>
 <P>
 By default, as soon as one pattern matches a line, no further patterns are
@@ -123,8 +123,8 @@ <h1>pcre2grep man page</h1>
 match that starts in the middle of another match will not be processed.
 </P>
 <P>
-The above behaviour was changed at release 10.41 to be more compatible with GNU 
-grep. In earlier releases, <b>pcre2grep</b> did not recognize matches from 
+The above behaviour was changed at release 10.41 to be more compatible with GNU
+grep. In earlier releases, <b>pcre2grep</b> did not recognize matches from
 later patterns that were earlier in the subject.
 </P>
 <P>
@@ -325,7 +325,7 @@ <h1>pcre2grep man page</h1>
 <br>
 If <b>-f</b> is used with <b>-e</b>, the command line patterns are matched first,
 followed by the patterns from the file(s), independent of the order in which
-these options are specified. 
+these options are specified.
 </P>
 <P>
 <b>--exclude</b>=<i>pattern</i>
@@ -487,7 +487,7 @@ <h1>pcre2grep man page</h1>
 <b>-L</b>, <b>--files-without-match</b>
 Instead of outputting lines from the files, just output the names of the files
 that do not contain any lines that would have been output. Each file name is
-output once, on a separate line by default, but if the <b>-Z</b> option is set, 
+output once, on a separate line by default, but if the <b>-Z</b> option is set,
 they are separated by zero bytes instead of newlines. This option overrides any
 previous <b>-H</b>, <b>-h</b>, or <b>-l</b> options.
 </P>

doc/html/pcre2limits.html

@@ -72,8 +72,8 @@ <h1>pcre2limits man page</h1>
 32-bit unsigned integer can hold.
 </P>
 <P>
-The maximum amount of heap memory used for matching is controlled by the heap 
-limit, which can be set in a pattern or in a match context. The default is a 
+The maximum amount of heap memory used for matching is controlled by the heap
+limit, which can be set in a pattern or in a match context. The default is a
 very large number, effectively unlimited.
 </P>
 <br><b>

doc/html/pcre2perform.html

@@ -83,7 +83,7 @@ <h1>pcre2perform man page</h1>
 uses very little system stack at run time. In earlier releases recursive
 function calls could use a great deal of stack, and this could cause problems,
 but this usage has been eliminated. Backtracking positions are now explicitly
-remembered in memory frames controlled by the code. 
+remembered in memory frames controlled by the code.
 </P>
 <P>
 The size of each frame depends on the size of pointer variables and the number
@@ -92,7 +92,7 @@ <h1>pcre2perform man page</h1>
 capturing group the size increases by 16 bytes.
 </P>
 <P>
-Until release 10.41, an initial 20KiB frames vector was allocated on the system 
+Until release 10.41, an initial 20KiB frames vector was allocated on the system
 stack, but this still caused some issues for multi-thread applications where
 each thread has a very small stack. From release 10.41 backtracking memory
 frames are always held in heap memory. An initial heap allocation is obtained
@@ -101,12 +101,12 @@ <h1>pcre2perform man page</h1>
 another match. It is freed when the match data block itself is freed.
 </P>
 <P>
-The size of the initial block is the larger of 20KiB or ten times the pattern's 
-frame size, unless the heap limit is less than this, in which case the heap 
+The size of the initial block is the larger of 20KiB or ten times the pattern's
+frame size, unless the heap limit is less than this, in which case the heap
 limit is used. If the initial block proves to be too small during matching, it
-is replaced by a larger block, subject to the heap limit. The heap limit is 
-checked only when a new block is to be allocated. Reducing the heap limit 
-between calls to <b>pcre2_match()</b> with the same match data block does not 
+is replaced by a larger block, subject to the heap limit. The heap limit is
+checked only when a new block is to be allocated. Reducing the heap limit
+between calls to <b>pcre2_match()</b> with the same match data block does not
 affect the saved block.
 </P>
 <P>