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30 From: David Bremner <david@tethera.net>
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31 To: Jani Nikula <jani@nikula.org>, David Bremner <david@tethera.net>,
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32 notmuch@notmuchmail.org
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33 Subject: [PATCH 2/3] doc: add material on stemming and wildcards
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34 Date: Sun, 18 Jan 2015 13:59:30 +0100
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54 This is lightly massaged from the searching page on the wiki.
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56 doc/man7/notmuch-search-terms.rst | 28 ++++++++++++++++++++++++++++
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57 1 file changed, 28 insertions(+)
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59 diff --git a/doc/man7/notmuch-search-terms.rst b/doc/man7/notmuch-search-terms.rst
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60 index 52f6804..3b27053 100644
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61 --- a/doc/man7/notmuch-search-terms.rst
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62 +++ b/doc/man7/notmuch-search-terms.rst
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63 @@ -129,6 +129,34 @@ operators, but will have to be protected from interpretation by the
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64 shell, (such as by putting quotation marks around any parenthesized
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70 +**Stemming** in notmuch means is that these searches
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74 + notmuch search detailed
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75 + notmuch search details
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76 + notmuch search detail
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78 +will all return identical results, because Xapian first "reduces" the
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79 +term to the common stem (here 'detail') and then performs the search.
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81 +There are two ways to turn this off: a search for a capitalized word
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82 +will be performed unstemmed, so that one can search for "John" and not
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83 +get results for "Johnson"; phrase searches are also unstemmed (see
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84 +below for details). Stemming is currently only supported for
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85 +English. Words in other languages will be performed unstemmed unless
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86 +somebody teaches Xapian how to perform stemming for that language.
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91 +It is possible to use a trailing '\*' as a wildcard. A search for
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92 +'wildc\*' will match 'wildcard', 'wildcat', etc.
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95 Boolean and Probabilistic Prefixes
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96 ----------------------------------
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