Fix very minor typos in documentation: redundant spaces.

doc/html/pcre2api.html

@@ -2316,7 +2316,7 @@ return zero. The third argument should point to a <b>size_t</b> variable.
   PCRE2_INFO_LASTCODETYPE
 </pre>
 Returns 1 if there is a rightmost literal code unit that must exist in any
-matched string, other than at its start. The third argument should  point to a
+matched string, other than at its start. The third argument should point to a
 <b>uint32_t</b> variable. If there is no such value, 0 is returned. When 1 is
 returned, the code unit value itself can be retrieved using
 PCRE2_INFO_LASTCODEUNIT. For anchored patterns, a last literal value is
@@ -3583,7 +3583,7 @@ and force lower case. The escape sequences change the current state: \U and
 terminating a \Q quoted sequence) reverts to no case forcing. The sequences
 \u and \l force the next character (if it is a letter) to upper or lower
 case, respectively, and then the state automatically reverts to no case
-forcing. Case forcing applies to all inserted  characters, including those from
+forcing. Case forcing applies to all inserted characters, including those from
 capture groups and letters within \Q...\E quoted sequences. If either
 PCRE2_UTF or PCRE2_UCP was set when the pattern was compiled, Unicode
 properties are used for case forcing characters whose code points are greater

doc/html/pcre2pattern.html

@@ -2180,10 +2180,10 @@ be easier to remember:
 <pre>
   (*atomic:\d+)foo
 </pre>
-This kind of parenthesized group "locks up" the  part of the pattern it
-contains once it has matched, and a failure further into the pattern is
-prevented from backtracking into it. Backtracking past it to previous items,
-however, works as normal.
+This kind of parenthesized group "locks up" the part of the pattern it contains
+once it has matched, and a failure further into the pattern is prevented from
+backtracking into it. Backtracking past it to previous items, however, works as
+normal.
 </P>
 <P>
 An alternative description is that a group of this type matches exactly the

doc/pcre2.txt

@@ -3459,7 +3459,7 @@ CREATING A NEW STRING WITH SUBSTITUTIONS
        no  case  forcing. The sequences \u and \l force the next character (if
        it is a letter) to upper or lower  case,  respectively,  and  then  the
        state automatically reverts to no case forcing. Case forcing applies to
-       all inserted  characters, including those from capture groups and  let-
+       all inserted characters, including those from capture groups  and  let-
        ters  within \Q...\E quoted sequences. If either PCRE2_UTF or PCRE2_UCP
        was set when the pattern was compiled, Unicode properties are used  for
        case forcing characters whose code points are greater than 127.
@@ -8068,7 +8068,7 @@ ATOMIC GROUPING AND POSSESSIVE QUANTIFIERS
 
          (*atomic:\d+)foo
 
-       This kind of parenthesized group "locks up" the  part of the pattern it
+       This  kind of parenthesized group "locks up" the part of the pattern it
        contains once it has matched, and a failure further into the pattern is
        prevented  from  backtracking into it. Backtracking past it to previous
        items, however, works as normal.

doc/pcre2api.3

@@ -2279,7 +2279,7 @@ return zero. The third argument should point to a \fBsize_t\fP variable.
   PCRE2_INFO_LASTCODETYPE
 .sp
 Returns 1 if there is a rightmost literal code unit that must exist in any
-matched string, other than at its start. The third argument should  point to a
+matched string, other than at its start. The third argument should point to a
 \fBuint32_t\fP variable. If there is no such value, 0 is returned. When 1 is
 returned, the code unit value itself can be retrieved using
 PCRE2_INFO_LASTCODEUNIT. For anchored patterns, a last literal value is
@@ -3584,7 +3584,7 @@ and force lower case. The escape sequences change the current state: \eU and
 terminating a \eQ quoted sequence) reverts to no case forcing. The sequences
 \eu and \el force the next character (if it is a letter) to upper or lower
 case, respectively, and then the state automatically reverts to no case
-forcing. Case forcing applies to all inserted  characters, including those from
+forcing. Case forcing applies to all inserted characters, including those from
 capture groups and letters within \eQ...\eE quoted sequences. If either
 PCRE2_UTF or PCRE2_UCP was set when the pattern was compiled, Unicode
 properties are used for case forcing characters whose code points are greater

doc/pcre2pattern.3

@@ -2186,10 +2186,10 @@ be easier to remember:
 .sp
   (*atomic:\ed+)foo
 .sp
-This kind of parenthesized group "locks up" the  part of the pattern it
-contains once it has matched, and a failure further into the pattern is
-prevented from backtracking into it. Backtracking past it to previous items,
-however, works as normal.
+This kind of parenthesized group "locks up" the part of the pattern it contains
+once it has matched, and a failure further into the pattern is prevented from
+backtracking into it. Backtracking past it to previous items, however, works as
+normal.
 .P
 An alternative description is that a group of this type matches exactly the
 string of characters that an identical standalone pattern would match, if