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Update documentation on may/can/might:

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Standard English uses "may", "can", and "might" in different ways:

        may - permission, "You may borrow my rake."

        can - ability, "I can lift that log."

        might - possibility, "It might rain today."

Unfortunately, in conversational English, their use is often mixed, as
in, "You may use this variable to do X", when in fact, "can" is a better
choice.  Similarly, "It may crash" is better stated, "It might crash".

Also update two error messages mentioned in the documenation to match.
This commit is contained in:
Bruce Momjian
2007-01-31 20:56:20 +00:00
parent 67a1ae9f05
commit a134ee3379
70 changed files with 729 additions and 731 deletions
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4
doc/src/sgml/errcodes.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/errcodes.sgml,v 1.21 2006/12/24 00:29:17 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/errcodes.sgml,v 1.22 2007/01/31 20:56:17 momjian Exp $ -->
<appendix id="errcodes-appendix">
<title><productname>PostgreSQL</productname> Error Codes</title>
@@ -27,7 +27,7 @@
According to the standard, the first two characters of an error code
denote a class of errors, while the last three characters indicate
a specific condition within that class. Thus, an application that
does not recognize the specific error code may still be able to infer
does not recognize the specific error code can still be able to infer
what to do from the error class.
</para>