maint: portability improvements for UpdateAlways (#788)

Tidy up the code and prevent failures if the man implementation does
not allow man-db like warnings (ex: mandoc).

While at it, update the application date to match the last release
and fix some recently introduced issues.

Author: carenas

configure.ac

@@ -11,7 +11,7 @@ dnl be defined as -RC2, for example. For real releases, it should be empty.
 m4_define(pcre2_major, [10])
 m4_define(pcre2_minor, [47])
 m4_define(pcre2_prerelease, [-DEV])
-m4_define(pcre2_date, [2024-06-09])
+m4_define(pcre2_date, [2025-08-27])
 
 # Libtool shared library interface versions (current:revision:age)
 m4_define(libpcre2_8_version,     [14:0:14])

doc/html/pcre2api.html

@@ -167,7 +167,7 @@ <h2><a name="SEC4" href="#TOC1">PCRE2 NATIVE API COMPILE CONTEXT FUNCTIONS</a></
 <br>
 <br>
 <b>int pcre2_set_max_varlookbehind(pcre2_compile_contest *<i>ccontext</i>,</b>
-<b>"  uint32_t <i>value</i>);</b>
+<b>  uint32_t <i>value</i>);</b>
 <br>
 <br>
 <b>int pcre2_set_newline(pcre2_compile_context *<i>ccontext</i>,</b>
@@ -273,7 +273,7 @@ <h2><a name="SEC6" href="#TOC1">PCRE2 NATIVE API STRING EXTRACTION FUNCTIONS</a>
 <br>
 <br>
 <b>int pcre2_substring_list_get(pcre2_match_data *<i>match_data</i>,</b>
-<b>"  PCRE2_UCHAR ***<i>listptr</i>, PCRE2_SIZE **<i>lengthsptr</i>);</b>
+<b>  PCRE2_UCHAR ***<i>listptr</i>, PCRE2_SIZE **<i>lengthsptr</i>);</b>
 </p>
 <h2><a name="SEC7" href="#TOC1">PCRE2 NATIVE API STRING SUBSTITUTION FUNCTION</a></h2>
 <p>
@@ -904,7 +904,7 @@ <h3>
 <br>
 <br>
 <b>int pcre2_set_max_varlookbehind(pcre2_compile_contest *<i>ccontext</i>,</b>
-<b>"  uint32_t <i>value</i>);</b>
+<b>  uint32_t <i>value</i>);</b>
 <br>
 <br>
 This sets a maximum length for the number of characters matched by a
@@ -1999,8 +1999,9 @@ <h3>
 </pre>
 This is an option whose main effect is at matching time. It does not change
 what <b>pcre2_compile()</b> generates, but it does affect the output of the JIT
-compiler. Setting this option is equivalent to calling <b>pcre2_set_optimize()</b>
-with the <i>directive</i> parameter set to PCRE2_START_OPTIMIZE_OFF.
+compiler. Setting this option is equivalent to calling
+<b>pcre2_set_optimize()</b> with the <i>directive</i> parameter set to
+PCRE2_START_OPTIMIZE_OFF.
 </p>
 <p>
 There are a number of optimizations that may occur at the start of a match, in
@@ -2073,9 +2074,9 @@ <h3>
 <p>
 The PCRE2_EXTRA_CASELESS_RESTRICT option (see above) restricts caseless
 matching such that ASCII characters match only ASCII characters and non-ASCII
-characters match only non-ASCII characters. The PCRE2_EXTRA_TURKISH_CASING option
-(see above) alters the matching of the 'i' characters to follow their behaviour
-in Turkish and Azeri languages. For further details on
+characters match only non-ASCII characters. The PCRE2_EXTRA_TURKISH_CASING
+option (see above) alters the matching of the 'i' characters to follow their
+behaviour in Turkish and Azeri languages. For further details on
 PCRE2_EXTRA_CASELESS_RESTRICT and PCRE2_EXTRA_TURKISH_CASING, see the
 <a href="pcre2unicode.html"><b>pcre2unicode</b></a>
 page.
@@ -3708,7 +3709,7 @@ <h2><a name="SEC35" href="#TOC1">EXTRACTING CAPTURED SUBSTRINGS BY NUMBER</a></h
 <h2><a name="SEC36" href="#TOC1">EXTRACTING A LIST OF ALL CAPTURED SUBSTRINGS</a></h2>
 <p>
 <b>int pcre2_substring_list_get(pcre2_match_data *<i>match_data</i>,</b>
-<b>"  PCRE2_UCHAR ***<i>listptr</i>, PCRE2_SIZE **<i>lengthsptr</i>);</b>
+<b>  PCRE2_UCHAR ***<i>listptr</i>, PCRE2_SIZE **<i>lengthsptr</i>);</b>
 <br>
 <br>
 <b>void pcre2_substring_list_free(PCRE2_UCHAR **<i>list</i>);</b>
@@ -3942,8 +3943,8 @@ <h2><a name="SEC38" href="#TOC1">CREATING A NEW STRING WITH SUBSTITUTIONS</a></h
   $_                  insert the entire input string
   $*MARK or ${*MARK}  insert a control verb name
 </pre>
-Either a group number or a group name can be given for <i>n</i>, for example $2 or
-$NAME. Curly brackets are required only if the following character would be
+Either a group number or a group name can be given for <i>n</i>, for example $2
+or $NAME. Curly brackets are required only if the following character would be
 interpreted as part of the number or name. The number may be zero to include
 the entire matched string. For example, if the pattern a(b)c is matched with
 "=abc=" and the replacement string "+$1$0$1+", the result is "=+babcb+=".
@@ -4033,9 +4034,9 @@ <h2><a name="SEC38" href="#TOC1">CREATING A NEW STRING WITH SUBSTITUTIONS</a></h
 page.
 </p>
 <p>
-The Python form \g&#60;n&#62;, where the angle brackets are part of the syntax and <i>n</i>
-is either a group name or number, is recognized as an alternative way of
-inserting the contents of a group, for example \g&#60;3&#62;.
+The Python form \g&#60;n&#62;, where the angle brackets are part of the syntax and
+<i>n</i> is either a group name or number, is recognized as an alternative way
+of inserting the contents of a group, for example \g&#60;3&#62;.
 </p>
 <p>
 There are also four escape sequences for forcing the case of inserted letters.

doc/html/pcre2limits.html

@@ -99,7 +99,7 @@ <h2>
 REVISION
 </h2>
 <p>
-Last updated: 17 August 2025
+Last updated: 29 August 2025
 <br>
 Copyright &copy; 1997-2023 University of Cambridge.
 <br>

doc/html/pcre2pattern.html

@@ -180,10 +180,11 @@ <h3>
 </h3>
 <p>
 If a pattern starts with (*NO_DOTSTAR_ANCHOR), it has the same effect as
-setting the PCRE2_NO_DOTSTAR_ANCHOR option, or calling <b>pcre2_set_optimize()</b>
-with a PCRE2_DOTSTAR_ANCHOR_OFF directive. This disables optimizations that
-apply to patterns whose top-level branches all start with .* (match any number
-of arbitrary characters). For more details, see the
+setting the PCRE2_NO_DOTSTAR_ANCHOR option, or
+calling <b>pcre2_set_optimize()</b> with a PCRE2_DOTSTAR_ANCHOR_OFF directive.
+This disables optimizations that apply to patterns whose top-level branches
+all start with .* (match any number of arbitrary characters). For more details,
+see the
 <a href="pcre2api.html"><b>pcre2api</b></a>
 documentation.
 </p>
@@ -4183,7 +4184,7 @@ <h2><a name="SEC33" href="#TOC1">AUTHOR</a></h2>
 </p>
 <h2><a name="SEC34" href="#TOC1">REVISION</a></h2>
 <p>
-Last updated: 17 August 2025
+Last updated: 29 August 2025
 <br>
 Copyright &copy; 1997-2024 University of Cambridge.
 <br>