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Diffstat (limited to 'contrib/tzdata/theory.html')
| -rw-r--r-- | contrib/tzdata/theory.html | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/contrib/tzdata/theory.html b/contrib/tzdata/theory.html index e373022..e0b3233 100644 --- a/contrib/tzdata/theory.html +++ b/contrib/tzdata/theory.html @@ -88,7 +88,7 @@ href="https://en.wikipedia.org/wiki/POSIX">POSIX</a>, an international standard for <a href="https://en.wikipedia.org/wiki/Unix">UNIX</a>-like systems. As of this writing, the current edition of POSIX is: <a -href="http://pubs.opengroup.org/onlinepubs/9699919799/"> The Open +href="https://pubs.opengroup.org/onlinepubs/9699919799/"> The Open Group Base Specifications Issue 7</a>, IEEE Std 1003.1-2017, 2018 Edition. Because the database's scope encompasses real-world changes to civil @@ -186,7 +186,7 @@ in decreasing order of importance: href="https://en.wikipedia.org/wiki/ASCII">ASCII</a> letters, '<code>.</code>', '<code>-</code>' and '<code>_</code>'. Do not use digits, as that might create an ambiguity with <a - href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03">POSIX + href="https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03">POSIX <code>TZ</code> strings</a>. A file name component must not exceed 14 characters or start with '<code>-</code>'. @@ -301,7 +301,7 @@ in decreasing order of importance: <p> Guidelines have evolved with time, and names following old versions of -this guideline might not follow the current version. When guidelines +these guidelines might not follow the current version. When guidelines have changed, old names continue to be supported. Guideline changes have included the following: </p> @@ -330,7 +330,7 @@ and the file '<code>northamerica</code>' defines the legacy names </li> <li> -Older versions of this guideline said that +Older versions of these guidelines said that there should typically be at least one name for each <a href="https://en.wikipedia.org/wiki/ISO_3166-1"><abbr title="International Organization for Standardization">ISO</abbr> @@ -379,8 +379,8 @@ in decreasing order of importance: special meaning to the <a href="https://en.wikipedia.org/wiki/Unix_shell">UNIX shell</a> and cause commands like - '<code><a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#set">set</a> - `<a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/date.html">date</a>`</code>' + '<code><a href="https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#set">set</a> + `<a href="https://pubs.opengroup.org/onlinepubs/9699919799/utilities/date.html">date</a>`</code>' to have unexpected effects. Previous editions of this guideline required upper-case letters, but the Congressman who introduced @@ -955,7 +955,7 @@ an older <code>zic</code>. </li> <li> In POSIX, there is no tamper-proof way for a process to learn the - system's best idea of local wall clock. + system's best idea of local (wall clock) time. This is important for applications that an administrator wants used only at certain times – without regard to whether the user has fiddled the @@ -1052,14 +1052,14 @@ an older <code>zic</code>. </li> <li> A function <code>tzsetwall</code> has been added to arrange for the - system's best approximation to local wall clock time to be delivered + system's best approximation to local (wall clock) time to be delivered by subsequent calls to <code>localtime</code>. - Source code for portable applications that "must" run on local wall - clock time should call <code>tzsetwall</code>; + Source code for portable applications that "must" run on local + time should call <code>tzsetwall</code>; if such code is moved to "old" systems that do not provide <code>tzsetwall</code>, you will not be able to generate an executable program. - (These functions also arrange for local wall clock time to + (These functions also arrange for local time to be used if <code>tzset</code> is called – directly or indirectly – and there is no <code>TZ</code> environment variable; portable applications should not, however, rely on this @@ -1354,11 +1354,11 @@ Sources for time on other planets: Michael Allison and Robert Schmunk, "<a href="https://www.giss.nasa.gov/tools/mars24/help/notes.html">Technical Notes on Mars Solar Time as Adopted by the Mars24 Sunclock</a>" - (2015-06-30). + (2018-12-13). </li> <li> Jia-Rui Chong, - "<a href="http://articles.latimes.com/2004/jan/14/science/sci-marstime14">Workdays + "<a href="https://www.latimes.com/archives/la-xpm-2004-jan-14-sci-marstime14-story.html">Workdays Fit for a Martian</a>", <cite>Los Angeles Times</cite> (2004-01-14), pp A1, A20–A21. </li> |
