source: branches/lib/HELP_SOURCE/source/trees.hlp

Last change on this file was 19532, checked in by westram, 4 months ago
  • reintegrates 'help' into 'trunk'
    • tweak arb documentation:
      • automatically link
        • ticket references to arb bug tracker (only affects html version).
        • found URLs.
      • page titles
        • warn about long titles.
        • introduce SUBTITLEs (automatically triggered by multi-line titles in source files).
        • increase allowed length (limited by subwindow width).
      • cleanup header sections in all helpfiles.
      • fix and/or update several help files.
      • document syntax of help sources.
      • build issues:
        • when xml validation fails, next build no longer uses invalid xml ⇒ keeps failing.
        • remove output files on error (including files below ARBHOME/lib).
        • pipe output through logs to ensure proper wrapping in Entering/Leaving lines.
    • moves Tree admin + NDS menu entries to top of menu
  • adds: log:branches/help@18783:19531
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 930 bytes
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1#       main topics:
2UP      arb.hlp
3UP      glossary.hlp
4
5#       sub topics:
6
7# format described in ../help.readme
8
9
10TITLE           Trees
11
12OCCURRENCE      ARB_NT
13
14DESCRIPTION     A tree consists of two types of 'nodes':
15
16                - tips or terminal nodes: species
17
18                        connected to exactly one father
19
20                - inner nodes: hypothetical ancestors
21
22                        connected to one father
23                        (and in the binary case to two children).
24                        A group_name may be assigned to an inner node; in this
25                        case, the node and all its children become a group.
26                        <ARB_NT/INFO_MODE/M>
27
28                There are significant differences between
29                phylogenetic trees and binary trees:
30
31                phylogenetic trees                      binary trees:
32                -------------------------------------------------------------------------
33                unrooted                                rooted
34                inner nodes have n children             all inner nodes have two children
35
36                Since binary trees are much easier to handle, ARB converts
37                phylogenetic trees to binary trees.
38
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