doc: fix various typos (#132)

ChangeLog

@@ -6,27 +6,27 @@ Version 10.41 xx-xxx-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.
 
 3. SSF scorecards grumbled about possible overflow in an expression in
-pcre2test. It never would have overflowed in practice, but some casts have been 
-added and at the some time there's been some tidying of fprints that output 
+pcre2test. It never would have overflowed in practice, but some casts have been
+added and at the some time there's been some tidying of fprints that output
 size_t values.
 
-4. PR #94 showed up an unused enum in pcre2_convert.c, which is now removed. 
+4. PR #94 showed up an unused enum in pcre2_convert.c, which is now removed.
 
-5. Minor code re-arrangement to remove gcc warning about realloc() in 
+5. Minor code re-arrangement to remove gcc warning about realloc() in
 pcre2test.
 
 6. Change a number of int variables that hold buffer and line lengths in
 pcre2grep to PCRE2_SIZE (aka size_t).
 
-7. Added an #ifdef to cut out a call to PRIV(jit_free) when JIT is not 
-supported (even though that function would do nothing in that case) at the 
-request of a user who doesn't even want to link with pcre_jit_compile.o. Also 
+7. Added an #ifdef to cut out a call to PRIV(jit_free) when JIT is not
+supported (even though that function would do nothing in that case) at the
+request of a user who doesn't even want to link with pcre_jit_compile.o. Also
 tidied up an untidy #ifdef arrangement in pcre2test.
 
 
@@ -120,7 +120,7 @@ pattern, the optimizing "must be present for a match" character check was not
 being flagged as caseless, causing some matches that should have succeeded to
 fail.
 
-23. Fixed a unicode properrty matching issue in JIT. The character was not
+23. Fixed a unicode property matching issue in JIT. The character was not
 fully read in caseless matching.
 
 24. Fixed an issue affecting recursions in JIT caused by duplicated data
@@ -147,10 +147,10 @@ Version 10.39 29-October-2021
   honoured if chosen.
 
   prtdiff_t is signed, so use a signed type instead, and make sure
-  that an appropiate width is chosen if pointers are 64bit wide and
+  that an appropriate width is chosen if pointers are 64bit wide and
   long is not (ex: Windows 64bit).
 
-  IMHO removing the cast (and therefore the positibilty of truncation)
+  IMHO removing the cast (and therefore the possibilty of truncation)
   make the code cleaner and the fallback is likely portable enough
   with all 64-bit POSIX systems doing LP64 except for Windows.
 
@@ -201,7 +201,7 @@ Version 10.38 01-October-2021
 -----------------------------
 
 1. Fix invalid single character repetition issues in JIT when the repetition
-is inside a capturing bracket and the bracket is preceeded by character
+is inside a capturing bracket and the bracket is preceded by character
 literals.
 
 2. Installed revised CMake configuration files provided by Jan-Willem Blokland.
@@ -441,7 +441,7 @@ now correctly backtracked, so this unnecessary restriction has been removed.
 
 7. Added PCRE2_SUBSTITUTE_MATCHED.
 
-8. Added (?* and (?<* as synonms for (*napla: and (*naplb: to match another
+8. Added (?* and (?<* as synonyms for (*napla: and (*naplb: to match another
 regex engine. The Perl regex folks are aware of this usage and have made a note
 about it.
 
@@ -872,7 +872,7 @@ Patch by Guillem Jover.
 warnings were reported.
 
 38. Using the clang compiler with sanitizing options causes runtime complaints
-about truncation for statments such as x = ~x when x is an 8-bit value; it
+about truncation for statements such as x = ~x when x is an 8-bit value; it
 seems to compute ~x as a 32-bit value. Changing such statements to x = 255 ^ x
 gets rid of the warnings. There were also two missing casts in pcre2test.
 

HACKING

@@ -212,7 +212,7 @@ META_THEN             (*THEN) - no argument (see below for with argument)
 
 The two RANGE values occur only in character classes. They are positioned
 between two literals that define the start and end of the range. In an EBCDIC
-evironment it is necessary to know whether either of the range values was
+environment it is necessary to know whether either of the range values was
 specified as an escape. In an ASCII/Unicode environment the distinction is not
 relevant.
 
@@ -233,7 +233,7 @@ their data in the lower 16 bits of the element. META_RECURSE is followed by an
 offset, for use in error messages.
 
 META_BACKREF is followed by an offset if the back reference group number is 10
-or more. The offsets of the first ocurrences of references to groups whose
+or more. The offsets of the first occurrences of references to groups whose
 numbers are less than 10 are put in cb->small_ref_offset[] (only the first
 occurrence is useful). On 64-bit systems this avoids using more than two parsed
 pattern elements for items such as \3. The offset is used when an error occurs

NON-AUTOTOOLS-BUILD

@@ -307,7 +307,7 @@ cache can be deleted by selecting "File > Delete Cache".
 3.  Create a new, empty build directory, preferably a subdirectory of the
     source dir. For example, C:\pcre2\pcre2-xx\build.
 
-4.  Run cmake-gui from the Shell envirornment of your build tool, for example,
+4.  Run cmake-gui from the Shell environment of your build tool, for example,
     Msys for Msys/MinGW or Visual Studio Command Prompt for VC/VC++. Do not try
     to start Cmake from the Windows Start menu, as this can lead to errors.
 
@@ -374,7 +374,7 @@ Otherwise:
 1. Copy RunTest.bat into the directory where pcre2test.exe and pcre2grep.exe
    have been created.
 
-2. Edit RunTest.bat to indentify the full or relative location of
+2. Edit RunTest.bat to identify the full or relative location of
    the pcre2 source (wherein which the testdata folder resides), e.g.:
 
    set srcdir=C:\pcre2\pcre2-10.00

README

@@ -696,7 +696,7 @@ Test 14 contains some special UTF and UCP tests that give different output for
 different code unit widths.
 
 Test 15 contains a number of tests that must not be run with JIT. They check,
-among other non-JIT things, the match-limiting features of the intepretive
+among other non-JIT things, the match-limiting features of the interpretive
 matcher.
 
 Test 16 is run only when JIT support is not available. It checks that an

doc/html/NON-AUTOTOOLS-BUILD.txt

@@ -306,7 +306,7 @@ cache can be deleted by selecting "File > Delete Cache".
 3.  Create a new, empty build directory, preferably a subdirectory of the
     source dir. For example, C:\pcre2\pcre2-xx\build.
 
-4.  Run cmake-gui from the Shell envirornment of your build tool, for example,
+4.  Run cmake-gui from the Shell environment of your build tool, for example,
     Msys for Msys/MinGW or Visual Studio Command Prompt for VC/VC++. Do not try
     to start Cmake from the Windows Start menu, as this can lead to errors.