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Diffstat (limited to 'pkg/system/doc/news.hlp')
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diff --git a/pkg/system/doc/news.hlp b/pkg/system/doc/news.hlp new file mode 100644 index 00000000..1b12f24c --- /dev/null +++ b/pkg/system/doc/news.hlp @@ -0,0 +1,58 @@ +.help news Mar90 system +.ih +NAME +news -- print the revisions summary for the current IRAF version +.ih +USAGE +news +.ih +DESCRIPTION +The \fInews\fR task uses the standard IRAF file pager to review a formatted +summary of the system revisions for the version of IRAF being run. +The revisions summaries for older versions of the system are also provided: +use the \fIN\fR and \fIP\fR pager keys to display the next or previous +system revisions summary. The revisions summary is given in the file +"doc$newsfile". + +For reasons of brevity, only the revisions summary is printed. For detailed +information on the revisions made to a particular science package, type + + cl> help <pkg>.revisions op=sys + +where "pkg" is the name of the CL package for which revisions information +is desired. For detailed information on the revisions to the system +software and programming interfaces, examine the system notes file, +given in the file "notes.*" in the directory "iraf$local". The system +notes files for older versions of the system will be found in the "doc" +directory. +.ih +BUGS +The revisions summary is often lengthy and may be easier to read if a +printed copy is made. + +Redirecting the output of \fInews\fR, e.g., to \fIlprint\fR, doesn't work +at present. +.ih +EXAMPLES +1. Page the revisions summary for the current IRAF release. + + cl> news + +2. Print the revisions summary. + + cl> lprint doc$newsfile + +3. Page the system notes file. Anyone who develops software for IRAF +should review this file with each new release, to see what has changed. +Documentation for new system facilities is often given in the system +notesfile. + + cl> page iraf$local/notes.* + +4. Review the revisions summary for the IMAGES package. + + cl> phelp images.revisions op=sys +.ih +SEE ALSO +help, phelp, page +.endhelp |