diff options
Diffstat (limited to 'zic.8')
| -rw-r--r-- | zic.8 | 47 |
1 files changed, 31 insertions, 16 deletions
@@ -61,15 +61,13 @@ is .BR slim , keep the output files small; this can help check for the bugs and incompatibilities. -Although the default is currently -.BR fat , -this is intended to change in future -.B zic -versions, as software that mishandles the 64-bit data typically +The default is +.BR slim , +as software that mishandles 64-bit data typically mishandles timestamps after the year 2038 anyway. Also see the .B \*-r -option for another way to shrink output size. +option for another way to alter output size. .TP .BI "\*-d " directory Create time conversion information files in the named directory rather than @@ -85,6 +83,12 @@ will act as if the input contained a link line of the form .ti +.5i .ta \w'Link\0\0'u +\w'\fItimezone\fP\0\0'u Link \fItimezone\fP localtime +.sp +If +.I timezone +is +.BR \*- , +any already-existing link is removed. .TP .BI "\*-L " leapsecondfilename Read leap second information from the file with the given name. @@ -109,6 +113,12 @@ and it should not be combined with if .IR timezone 's transitions are at standard time or Universal Time (UT) instead of local time. +.sp +If +.I timezone +is +.BR \*- , +any already-existing link is removed. .TP .BR "\*-r " "[\fB@\fP\fIlo\fP][\fB/@\fP\fIhi\fP]" Reduce the size of output files by limiting their applicability @@ -224,7 +234,7 @@ or that starts with .RE .SH FILES Input files use the format described in this section; output files use -.IR tzfile (5) +.BR tzfile (5) format. .PP Input files should be text files, that is, they should be a series of @@ -268,9 +278,9 @@ abbreviation must be unambiguous in context. A rule line has the form .nf .ti +.5i -.ta \w'Rule\0\0'u +\w'NAME\0\0'u +\w'FROM\0\0'u +\w'1973\0\0'u +\w'TYPE\0\0'u +\w'Apr\0\0'u +\w'lastSun\0\0'u +\w'2:00w\0\0'u +\w'1:00d\0\0'u +.ta \w'Rule\0\0'u +\w'NAME\0\0'u +\w'FROM\0\0'u +\w'1973\0\0'u +\w'\*-\0\0'u +\w'Apr\0\0'u +\w'lastSun\0\0'u +\w'2:00w\0\0'u +\w'1:00d\0\0'u .sp -Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule NAME FROM TO \*- IN ON AT SAVE LETTER/S .sp For example: .ti +.5i @@ -319,12 +329,17 @@ may be used to repeat the value of the .B FROM field. .TP -.B TYPE -should be +.B \*- +Is a reserved field and should always contain .q \*- -and is present for compatibility with older versions of -.B zic -in which it could contain year types. +for compatibility with older versions of +.BR zic . +It was previously known as the +.B TYPE +field, which could contain values to allow a +separate script to further restrict in which +.q types +of years the rule would apply. .TP .B IN Names the month in which the rule takes effect. @@ -695,9 +710,9 @@ and for its predecessor organization, the European Communities. .ne 22 .nf .in +2m -.ta \w'# Rule\0\0'u +\w'NAME\0\0'u +\w'FROM\0\0'u +\w'1973\0\0'u +\w'TYPE\0\0'u +\w'Apr\0\0'u +\w'lastSun\0\0'u +\w'2:00\0\0'u +\w'SAVE\0\0'u +.ta \w'# Rule\0\0'u +\w'NAME\0\0'u +\w'FROM\0\0'u +\w'1973\0\0'u +\w'\*-\0\0'u +\w'Apr\0\0'u +\w'lastSun\0\0'u +\w'2:00\0\0'u +\w'SAVE\0\0'u .sp -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +# Rule NAME FROM TO \*- IN ON AT SAVE LETTER/S Rule Swiss 1941 1942 \*- May Mon>=1 1:00 1:00 S Rule Swiss 1941 1942 \*- Oct Mon>=1 2:00 0 \*- .sp .5 |