[PATCH] Add "arsen-" exception to match Snowball version.

Olly Betts <[email protected]> Thu, 29 Jul 2010 14:27:13 +1200

Newsgroups	gmane.comp.search.snowball
Message-ID	<20100729022713.GA27039@eisluft>

An "arsen-" exception (for arsenic/arsenal) was added in Nov 2006 to the
Snowball implementation.  Update the C implementation to match this.
---
 output.txt     |    2 ++
 stem_english.c |    3 +++
 voc.txt        |    2 ++
 3 files changed, 7 insertions(+), 0 deletions(-)

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0001-Add-arsen-exception-to-match-Snowball-version.patch (text/x-patch, 796 B)

diff --git a/output.txt b/output.txt
index 6a15930..d5105c3 100644
--- a/output.txt
+++ b/output.txt
@@ -1410,6 +1410,8 @@ arrow
 arrow
 arrow
 arroyo
+arsenal
+arsenic
 arson
 art
 arter
diff --git a/stem_english.c b/stem_english.c
index 022dd93..ac050c0 100644
--- a/stem_english.c
+++ b/stem_english.c
@@ -433,6 +433,9 @@ static int exception_p1(struct stemmer * z) {
         case 'c':
             if (starts(z, "\06" "commun")) break;
             return FALSE;
+        case 'a':
+            if (starts(z, "\05" "arsen")) break;
+            return FALSE;
         default:
             return FALSE;
     }
diff --git a/voc.txt b/voc.txt
index 0e8df01..77f58d8 100644
--- a/voc.txt
+++ b/voc.txt
@@ -1410,6 +1410,8 @@ arrow
 arrowing
 arrows
 arroyo
+arsenal
+arsenic
 arson
 art
 arter

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