Firebird 2.1 Language Reference Update

Document History
Internal functions :: CHAR_LENGTH(), CHARACTER_LENGTH(): Added
formalparas “Changed in” and “BLOB support”. Edited Note after Syntax
block and placed it after Description.
Internal functions :: EXTRACT(): Edited Result type and everything following
the Syntax block, except the WEEK subsection.
Internal functions :: HASH(): Mentioned full text BLOB support in Description.
Internal functions :: LEFT(): Edited Result type. Edited first listitem
and inserted a new listitem before it (about BLOB support).
Internal functions :: LOWER(): Added “Changed in”. Edited Description
(BLOB support, removed epithet “new”). Added BLOB as result
type and corrected VAR(CHAR) -> (VAR)CHAR. Removed “new” from
text under Declaration.
Internal functions :: LPAD(): Replaced '' with “the empty string” in
2nd (now 4th) Syntax note. Inserted two new Syntax notes concerning
BLOB support. Changed 1st sentence of Tip. Added Warning about
possible high memory usage.
Internal functions :: MAXVALUE(): Mentioned full text BLOB support in
Description.
Internal functions :: MINVALUE(): Mentioned full text BLOB support in
Description.
Internal functions :: OCTET_LENGTH(): Added formalparas “Changed
in” and “BLOB support”. Edited Note after Description.
Internal functions :: OVERLAY(): Edited Result type. Edited first listitem
under Syntax and inserted another one before it, about BLOB support.
Also added a listitem about NULL arguments. Added Warning
about possible high memory usage.
Internal functions :: POSITION(): Added “(1-based)” to Description.
Added two listitems after Syntax. Added Warning about possible high
memory usage.
Internal functions :: RDB$GET_CONTEXT(): Replaced “general” with
“global” (4x) in System namespace table.
Internal functions :: REPLACE(): Edited Result type. Inserted new first
listitem under Syntax and edited the previous first (now 2nd) listitem.
Added example with NULL first argument. Aligned arguments in examples.
Corrected last constant element, which accidentally spanned
three lines instead of a single word. Added Warning about possible
high memory usage.
Internal functions :: RIGHT(): Edited Result type. Edited first listitem
and inserted a new listitem before it (about BLOB support and bug).
Added Warning about possible high memory usage.
Internal functions :: RPAD(): Replaced '' with “the empty string” in
2nd (now 4th) Syntax note. Inserted two new Syntax notes concerning
BLOB support. Changed 1st sentence of Tip. Added Warning about
possible high memory usage.
Internal functions :: SUBSTRING(): Added 2.1 to “Changed in”.
Changed Result type. Edited Syntax. Rewrote most everything between
Syntax and Examples. Added Warning about possible high memory usage.
Internal functions :: TRIM(): Added “Changed in”. Edited Description
and Syntax. Corrected and extended Result type. Added Notes formalpara.
Added Warning about possible high memory usage.
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