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Clarification and typo-fixes in comments. No changes to code.

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FossilOrigin-Name: e2cd79aa3104c51035bf29c548c322564731b75f
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drh
2016-09-29 15:53:28 +00:00
parent 5f33eaa6a4
commit 22fa36dc04
4 changed files with 18 additions and 35 deletions
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11
src/global.c
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@@ -79,16 +79,13 @@ const unsigned char sqlite3UpperToLower[] = {
**
** (x & ~(map[x]&0x20))
**
** Standard function tolower() is implemented using the sqlite3UpperToLower[]
** The equivalent of tolower() is implemented using the sqlite3UpperToLower[]
** array. tolower() is used more often than toupper() by SQLite.
**
** Bit 0x40 is set if the character non-alphanumeric and can be used in an
** Bit 0x40 is set if the character is non-alphanumeric and can be used in an
** SQLite identifier. Identifiers are alphanumerics, "_", "$", and any
** non-ASCII UTF character. Hence the test for whether or not a character is
** part of an identifier is 0x46.
**
** SQLite's versions are identical to the standard versions assuming a
** locale of "C". They are implemented as macros in sqliteInt.h.
*/
#ifdef SQLITE_ASCII
const unsigned char sqlite3CtypeMap[256] = {
@@ -161,7 +158,7 @@ const unsigned char sqlite3CtypeMap[256] = {
#endif
/* Statement journals spill to disk when their size exceeds the following
** threashold (in bytes). 0 means that statement journals are created and
** threshold (in bytes). 0 means that statement journals are created and
** written to disk immediately (the default behavior for SQLite versions
** before 3.12.0). -1 means always keep the entire statement journal in
** memory. (The statement journal is also always held entirely in memory
@@ -249,7 +246,7 @@ const Token sqlite3IntTokens[] = {
** The value of the "pending" byte must be 0x40000000 (1 byte past the
** 1-gibabyte boundary) in a compatible database. SQLite never uses
** the database page that contains the pending byte. It never attempts
** to read or write that page. The pending byte page is set assign
** to read or write that page. The pending byte page is set aside
** for use by the VFS layers as space for managing file locks.
**
** During testing, it is often desirable to move the pending byte to