ayaports/backports/postgresql15/czech-snowball-stemmer.patch

1064 lines
36 KiB
Diff

From: Jakub Jirutka <jakub@jirutka.cz>
Date: Thu, 7 Jan 2021 00:55:21 +0100
Subject: [PATCH] Add Czech Snowball Stemmer
This patch is based on [1] from Jan Dedek. It includes C implementation of
the Czech Snowball stemmer generated automatically using Snowball utility
from sources available at https://snowballstem.org/otherapps/oregan/
(licensed under BSD).
File czech.stop was extracted from http://www.pgsql.cz/data/czech.tar.gz
(author of this tarball is Pavel Stehule).
[1]: https://github.com/datlowe/postgres_snowball_czech/commit/4363325f719a463fce04c04cbcdcc7e625cdbca5
diff --git a/src/backend/snowball/dict_snowball.c b/src/backend/snowball/dict_snowball.c
--- a/src/backend/snowball/dict_snowball.c
+++ b/src/backend/snowball/dict_snowball.c
@@ -49,6 +49,7 @@
#include "snowball/libstemmer/stem_UTF_8_armenian.h"
#include "snowball/libstemmer/stem_UTF_8_basque.h"
#include "snowball/libstemmer/stem_UTF_8_catalan.h"
+#include "snowball/libstemmer/stem_UTF_8_czech.h"
#include "snowball/libstemmer/stem_UTF_8_danish.h"
#include "snowball/libstemmer/stem_UTF_8_dutch.h"
#include "snowball/libstemmer/stem_UTF_8_english.h"
@@ -123,6 +124,7 @@
STEMMER_MODULE(armenian, PG_UTF8, UTF_8),
STEMMER_MODULE(basque, PG_UTF8, UTF_8),
STEMMER_MODULE(catalan, PG_UTF8, UTF_8),
+ STEMMER_MODULE(czech, PG_UTF8, UTF_8),
STEMMER_MODULE(danish, PG_UTF8, UTF_8),
STEMMER_MODULE(dutch, PG_UTF8, UTF_8),
STEMMER_MODULE(english, PG_UTF8, UTF_8),
diff --git a/src/backend/snowball/Makefile b/src/backend/snowball/Makefile
--- a/src/backend/snowball/Makefile
+++ b/src/backend/snowball/Makefile
@@ -46,6 +46,7 @@
stem_UTF_8_armenian.o \
stem_UTF_8_basque.o \
stem_UTF_8_catalan.o \
+ stem_UTF_8_czech.o \
stem_UTF_8_danish.o \
stem_UTF_8_dutch.o \
stem_UTF_8_english.o \
@@ -81,6 +82,7 @@
armenian armenian \
basque basque \
catalan catalan \
+ czech czech \
danish danish \
dutch dutch \
english english \
diff --git a/src/backend/snowball/libstemmer/stem_UTF_8_czech.c b/src/backend/snowball/libstemmer/stem_UTF_8_czech.c
new file mode 100644
index 000000000000..d23663fa077f
--- /dev/null
+++ b/src/backend/snowball/libstemmer/stem_UTF_8_czech.c
@@ -0,0 +1,894 @@
+/* This file was generated automatically by the Snowball to ISO C compiler */
+/* http://snowballstem.org/ */
+
+#include "header.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern int czech_UTF_8_stem(struct SN_env * z);
+#ifdef __cplusplus
+}
+#endif
+static int r_do_aggressive(struct SN_env * z);
+static int r_do_deriv_single(struct SN_env * z);
+static int r_do_derivational(struct SN_env * z);
+static int r_do_augmentative(struct SN_env * z);
+static int r_do_diminutive(struct SN_env * z);
+static int r_do_comparative(struct SN_env * z);
+static int r_do_case(struct SN_env * z);
+static int r_do_possessive(struct SN_env * z);
+static int r_mark_regions(struct SN_env * z);
+static int r_palatalise(struct SN_env * z);
+static int r_R1(struct SN_env * z);
+static int r_RV(struct SN_env * z);
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+extern struct SN_env * czech_UTF_8_create_env(void);
+extern void czech_UTF_8_close_env(struct SN_env * z);
+
+
+#ifdef __cplusplus
+}
+#endif
+static const symbol s_0_0[2] = { 'c', 'e' };
+static const symbol s_0_1[2] = { 'z', 'e' };
+static const symbol s_0_2[3] = { 0xC2, 0xBE, 'e' };
+static const symbol s_0_3[2] = { 'c', 'i' };
+static const symbol s_0_4[4] = { 0xC3, 0xA8, 't', 'i' };
+static const symbol s_0_5[4] = { 0xC2, 0xB9, 't', 'i' };
+static const symbol s_0_6[2] = { 'z', 'i' };
+static const symbol s_0_7[3] = { 0xC3, 0xA8, 'i' };
+static const symbol s_0_8[3] = { 0xC2, 0xBE, 'i' };
+static const symbol s_0_9[2] = { 0xC3, 0xA8 };
+static const symbol s_0_10[5] = { 0xC3, 0xA8, 't', 0xC3, 0xA9 };
+static const symbol s_0_11[5] = { 0xC2, 0xB9, 't', 0xC3, 0xA9 };
+static const symbol s_0_12[5] = { 0xC3, 0xA8, 't', 0xC3, 0xAC };
+static const symbol s_0_13[5] = { 0xC2, 0xB9, 't', 0xC3, 0xAC };
+
+static const struct among a_0[14] =
+{
+/* 0 */ { 2, s_0_0, -1, 1, 0},
+/* 1 */ { 2, s_0_1, -1, 2, 0},
+/* 2 */ { 3, s_0_2, -1, 2, 0},
+/* 3 */ { 2, s_0_3, -1, 1, 0},
+/* 4 */ { 4, s_0_4, -1, 3, 0},
+/* 5 */ { 4, s_0_5, -1, 4, 0},
+/* 6 */ { 2, s_0_6, -1, 2, 0},
+/* 7 */ { 3, s_0_7, -1, 1, 0},
+/* 8 */ { 3, s_0_8, -1, 2, 0},
+/* 9 */ { 2, s_0_9, -1, 1, 0},
+/* 10 */ { 5, s_0_10, -1, 3, 0},
+/* 11 */ { 5, s_0_11, -1, 4, 0},
+/* 12 */ { 5, s_0_12, -1, 3, 0},
+/* 13 */ { 5, s_0_13, -1, 4, 0}
+};
+
+static const symbol s_1_0[2] = { 'i', 'n' };
+static const symbol s_1_1[2] = { 'o', 'v' };
+static const symbol s_1_2[3] = { 0xC3, 0xB9, 'v' };
+
+static const struct among a_1[3] =
+{
+/* 0 */ { 2, s_1_0, -1, 2, 0},
+/* 1 */ { 2, s_1_1, -1, 1, 0},
+/* 2 */ { 3, s_1_2, -1, 1, 0}
+};
+
+static const symbol s_2_0[1] = { 'a' };
+static const symbol s_2_1[3] = { 'a', 'm', 'a' };
+static const symbol s_2_2[3] = { 'a', 't', 'a' };
+static const symbol s_2_3[1] = { 'e' };
+static const symbol s_2_4[4] = { 0xC3, 0xAC, 't', 'e' };
+static const symbol s_2_5[3] = { 'e', 'c', 'h' };
+static const symbol s_2_6[5] = { 'a', 't', 'e', 'c', 'h' };
+static const symbol s_2_7[3] = { 'i', 'c', 'h' };
+static const symbol s_2_8[4] = { 0xC3, 0xA1, 'c', 'h' };
+static const symbol s_2_9[4] = { 0xC3, 0xAD, 'c', 'h' };
+static const symbol s_2_10[4] = { 0xC3, 0xBD, 'c', 'h' };
+static const symbol s_2_11[1] = { 'i' };
+static const symbol s_2_12[2] = { 'm', 'i' };
+static const symbol s_2_13[3] = { 'a', 'm', 'i' };
+static const symbol s_2_14[3] = { 'e', 'm', 'i' };
+static const symbol s_2_15[4] = { 0xC3, 0xAC, 'm', 'i' };
+static const symbol s_2_16[4] = { 0xC3, 0xAD, 'm', 'i' };
+static const symbol s_2_17[4] = { 0xC3, 0xBD, 'm', 'i' };
+static const symbol s_2_18[4] = { 0xC3, 0xAC, 't', 'i' };
+static const symbol s_2_19[3] = { 'o', 'v', 'i' };
+static const symbol s_2_20[2] = { 'e', 'm' };
+static const symbol s_2_21[5] = { 0xC3, 0xAC, 't', 'e', 'm' };
+static const symbol s_2_22[3] = { 0xC3, 0xA1, 'm' };
+static const symbol s_2_23[3] = { 0xC3, 0xA9, 'm' };
+static const symbol s_2_24[3] = { 0xC3, 0xAD, 'm' };
+static const symbol s_2_25[5] = { 'a', 't', 0xC3, 0xB9, 'm' };
+static const symbol s_2_26[3] = { 0xC3, 0xBD, 'm' };
+static const symbol s_2_27[1] = { 'o' };
+static const symbol s_2_28[3] = { 'i', 'h', 'o' };
+static const symbol s_2_29[4] = { 0xC3, 0xA9, 'h', 'o' };
+static const symbol s_2_30[4] = { 0xC3, 0xAD, 'h', 'o' };
+static const symbol s_2_31[2] = { 'e', 's' };
+static const symbol s_2_32[2] = { 'o', 's' };
+static const symbol s_2_33[2] = { 'u', 's' };
+static const symbol s_2_34[2] = { 'a', 't' };
+static const symbol s_2_35[1] = { 'u' };
+static const symbol s_2_36[3] = { 'i', 'm', 'u' };
+static const symbol s_2_37[4] = { 0xC3, 0xA9, 'm', 'u' };
+static const symbol s_2_38[2] = { 'o', 'u' };
+static const symbol s_2_39[1] = { 'y' };
+static const symbol s_2_40[3] = { 'a', 't', 'y' };
+static const symbol s_2_41[2] = { 0xC3, 0xA1 };
+static const symbol s_2_42[2] = { 0xC3, 0xA9 };
+static const symbol s_2_43[4] = { 'o', 'v', 0xC3, 0xA9 };
+static const symbol s_2_44[2] = { 0xC3, 0xAC };
+static const symbol s_2_45[2] = { 0xC3, 0xAD };
+static const symbol s_2_46[2] = { 0xC3, 0xB9 };
+static const symbol s_2_47[2] = { 0xC3, 0xBD };
+
+static const struct among a_2[48] =
+{
+/* 0 */ { 1, s_2_0, -1, 1, 0},
+/* 1 */ { 3, s_2_1, 0, 1, 0},
+/* 2 */ { 3, s_2_2, 0, 1, 0},
+/* 3 */ { 1, s_2_3, -1, 2, 0},
+/* 4 */ { 4, s_2_4, 3, 2, 0},
+/* 5 */ { 3, s_2_5, -1, 2, 0},
+/* 6 */ { 5, s_2_6, 5, 1, 0},
+/* 7 */ { 3, s_2_7, -1, 2, 0},
+/* 8 */ { 4, s_2_8, -1, 1, 0},
+/* 9 */ { 4, s_2_9, -1, 2, 0},
+/* 10 */ { 4, s_2_10, -1, 1, 0},
+/* 11 */ { 1, s_2_11, -1, 2, 0},
+/* 12 */ { 2, s_2_12, 11, 1, 0},
+/* 13 */ { 3, s_2_13, 12, 1, 0},
+/* 14 */ { 3, s_2_14, 12, 2, 0},
+/* 15 */ { 4, s_2_15, 12, 2, 0},
+/* 16 */ { 4, s_2_16, 12, 2, 0},
+/* 17 */ { 4, s_2_17, 12, 1, 0},
+/* 18 */ { 4, s_2_18, 11, 2, 0},
+/* 19 */ { 3, s_2_19, 11, 1, 0},
+/* 20 */ { 2, s_2_20, -1, 3, 0},
+/* 21 */ { 5, s_2_21, 20, 1, 0},
+/* 22 */ { 3, s_2_22, -1, 1, 0},
+/* 23 */ { 3, s_2_23, -1, 2, 0},
+/* 24 */ { 3, s_2_24, -1, 2, 0},
+/* 25 */ { 5, s_2_25, -1, 1, 0},
+/* 26 */ { 3, s_2_26, -1, 1, 0},
+/* 27 */ { 1, s_2_27, -1, 1, 0},
+/* 28 */ { 3, s_2_28, 27, 2, 0},
+/* 29 */ { 4, s_2_29, 27, 2, 0},
+/* 30 */ { 4, s_2_30, 27, 2, 0},
+/* 31 */ { 2, s_2_31, -1, 2, 0},
+/* 32 */ { 2, s_2_32, -1, 1, 0},
+/* 33 */ { 2, s_2_33, -1, 1, 0},
+/* 34 */ { 2, s_2_34, -1, 1, 0},
+/* 35 */ { 1, s_2_35, -1, 1, 0},
+/* 36 */ { 3, s_2_36, 35, 2, 0},
+/* 37 */ { 4, s_2_37, 35, 2, 0},
+/* 38 */ { 2, s_2_38, 35, 1, 0},
+/* 39 */ { 1, s_2_39, -1, 1, 0},
+/* 40 */ { 3, s_2_40, 39, 1, 0},
+/* 41 */ { 2, s_2_41, -1, 1, 0},
+/* 42 */ { 2, s_2_42, -1, 1, 0},
+/* 43 */ { 4, s_2_43, 42, 1, 0},
+/* 44 */ { 2, s_2_44, -1, 2, 0},
+/* 45 */ { 2, s_2_45, -1, 2, 0},
+/* 46 */ { 2, s_2_46, -1, 1, 0},
+/* 47 */ { 2, s_2_47, -1, 1, 0}
+};
+
+static const symbol s_3_0[2] = { 'o', 'b' };
+static const symbol s_3_1[3] = { 'i', 't', 'b' };
+static const symbol s_3_2[2] = { 'e', 'c' };
+static const symbol s_3_3[4] = { 'i', 'n', 'e', 'c' };
+static const symbol s_3_4[6] = { 'o', 'b', 'i', 'n', 'e', 'c' };
+static const symbol s_3_5[4] = { 'o', 'v', 'e', 'c' };
+static const symbol s_3_6[2] = { 'i', 'c' };
+static const symbol s_3_7[4] = { 'e', 'n', 'i', 'c' };
+static const symbol s_3_8[3] = { 'o', 'c', 'h' };
+static const symbol s_3_9[5] = { 0xC3, 0xA1, 's', 'e', 'k' };
+static const symbol s_3_10[2] = { 'n', 'k' };
+static const symbol s_3_11[3] = { 'i', 's', 'k' };
+static const symbol s_3_12[5] = { 'o', 'v', 'i', 's', 'k' };
+static const symbol s_3_13[2] = { 't', 'k' };
+static const symbol s_3_14[2] = { 'v', 'k' };
+static const symbol s_3_15[3] = { 0xC3, 0xA8, 'k' };
+static const symbol s_3_16[4] = { 'n', 0xC3, 0xAD, 'k' };
+static const symbol s_3_17[6] = { 'o', 'v', 'n', 0xC3, 0xAD, 'k' };
+static const symbol s_3_18[5] = { 'o', 'v', 0xC3, 0xAD, 'k' };
+static const symbol s_3_19[4] = { 'i', 0xC2, 0xB9, 'k' };
+static const symbol s_3_20[4] = { 'u', 0xC2, 0xB9, 'k' };
+static const symbol s_3_21[2] = { 'd', 'l' };
+static const symbol s_3_22[4] = { 'i', 't', 'e', 'l' };
+static const symbol s_3_23[2] = { 'u', 'l' };
+static const symbol s_3_24[2] = { 'a', 'n' };
+static const symbol s_3_25[4] = { 0xC3, 0xA8, 'a', 'n' };
+static const symbol s_3_26[2] = { 'e', 'n' };
+static const symbol s_3_27[2] = { 'i', 'n' };
+static const symbol s_3_28[5] = { 0xC2, 0xB9, 't', 'i', 'n' };
+static const symbol s_3_29[4] = { 'o', 'v', 'i', 'n' };
+static const symbol s_3_30[4] = { 't', 'e', 'l', 'n' };
+static const symbol s_3_31[4] = { 0xC3, 0xA1, 'r', 'n' };
+static const symbol s_3_32[4] = { 0xC3, 0xAD, 'r', 'n' };
+static const symbol s_3_33[3] = { 'o', 'u', 'n' };
+static const symbol s_3_34[4] = { 'l', 'o', 'u', 'n' };
+static const symbol s_3_35[3] = { 'o', 'v', 'n' };
+static const symbol s_3_36[2] = { 'y', 'n' };
+static const symbol s_3_37[3] = { 'k', 'y', 'n' };
+static const symbol s_3_38[3] = { 0xC3, 0xA1, 'n' };
+static const symbol s_3_39[4] = { 'i', 0xC3, 0xA1, 'n' };
+static const symbol s_3_40[3] = { 0xC3, 0xA8, 'n' };
+static const symbol s_3_41[3] = { 0xC3, 0xAC, 'n' };
+static const symbol s_3_42[3] = { 0xC3, 0xAD, 'n' };
+static const symbol s_3_43[2] = { 'a', 's' };
+static const symbol s_3_44[2] = { 'i', 't' };
+static const symbol s_3_45[2] = { 'o', 't' };
+static const symbol s_3_46[3] = { 'i', 's', 't' };
+static const symbol s_3_47[3] = { 'o', 's', 't' };
+static const symbol s_3_48[4] = { 'n', 'o', 's', 't' };
+static const symbol s_3_49[3] = { 'o', 'u', 't' };
+static const symbol s_3_50[6] = { 'o', 'v', 'i', 0xC2, 0xB9, 't' };
+static const symbol s_3_51[2] = { 'i', 'v' };
+static const symbol s_3_52[2] = { 'o', 'v' };
+static const symbol s_3_53[2] = { 't', 'v' };
+static const symbol s_3_54[3] = { 'c', 't', 'v' };
+static const symbol s_3_55[3] = { 's', 't', 'v' };
+static const symbol s_3_56[5] = { 'o', 'v', 's', 't', 'v' };
+static const symbol s_3_57[4] = { 'o', 'v', 't', 'v' };
+static const symbol s_3_58[3] = { 'a', 0xC3, 0xA8 };
+static const symbol s_3_59[4] = { 0xC3, 0xA1, 0xC3, 0xA8 };
+static const symbol s_3_60[3] = { 'o', 0xC3, 0xB2 };
+static const symbol s_3_61[4] = { 0xC3, 0xA1, 0xC3, 0xB8 };
+static const symbol s_3_62[5] = { 'k', 0xC3, 0xA1, 0xC3, 0xB8 };
+static const symbol s_3_63[7] = { 'i', 'o', 'n', 0xC3, 0xA1, 0xC3, 0xB8 };
+static const symbol s_3_64[4] = { 0xC3, 0xA9, 0xC3, 0xB8 };
+static const symbol s_3_65[5] = { 'n', 0xC3, 0xA9, 0xC3, 0xB8 };
+static const symbol s_3_66[4] = { 0xC3, 0xAD, 0xC3, 0xB8 };
+static const symbol s_3_67[4] = { 'o', 'u', 0xC2, 0xB9 };
+
+static const struct among a_3[68] =
+{
+/* 0 */ { 2, s_3_0, -1, 1, 0},
+/* 1 */ { 3, s_3_1, -1, 2, 0},
+/* 2 */ { 2, s_3_2, -1, 3, 0},
+/* 3 */ { 4, s_3_3, 2, 2, 0},
+/* 4 */ { 6, s_3_4, 3, 1, 0},
+/* 5 */ { 4, s_3_5, 2, 1, 0},
+/* 6 */ { 2, s_3_6, -1, 2, 0},
+/* 7 */ { 4, s_3_7, 6, 3, 0},
+/* 8 */ { 3, s_3_8, -1, 1, 0},
+/* 9 */ { 5, s_3_9, -1, 1, 0},
+/* 10 */ { 2, s_3_10, -1, 1, 0},
+/* 11 */ { 3, s_3_11, -1, 2, 0},
+/* 12 */ { 5, s_3_12, 11, 1, 0},
+/* 13 */ { 2, s_3_13, -1, 1, 0},
+/* 14 */ { 2, s_3_14, -1, 1, 0},
+/* 15 */ { 3, s_3_15, -1, 1, 0},
+/* 16 */ { 4, s_3_16, -1, 1, 0},
+/* 17 */ { 6, s_3_17, 16, 1, 0},
+/* 18 */ { 5, s_3_18, -1, 1, 0},
+/* 19 */ { 4, s_3_19, -1, 2, 0},
+/* 20 */ { 4, s_3_20, -1, 1, 0},
+/* 21 */ { 2, s_3_21, -1, 1, 0},
+/* 22 */ { 4, s_3_22, -1, 2, 0},
+/* 23 */ { 2, s_3_23, -1, 1, 0},
+/* 24 */ { 2, s_3_24, -1, 1, 0},
+/* 25 */ { 4, s_3_25, 24, 1, 0},
+/* 26 */ { 2, s_3_26, -1, 3, 0},
+/* 27 */ { 2, s_3_27, -1, 2, 0},
+/* 28 */ { 5, s_3_28, 27, 1, 0},
+/* 29 */ { 4, s_3_29, 27, 1, 0},
+/* 30 */ { 4, s_3_30, -1, 1, 0},
+/* 31 */ { 4, s_3_31, -1, 1, 0},
+/* 32 */ { 4, s_3_32, -1, 6, 0},
+/* 33 */ { 3, s_3_33, -1, 1, 0},
+/* 34 */ { 4, s_3_34, 33, 1, 0},
+/* 35 */ { 3, s_3_35, -1, 1, 0},
+/* 36 */ { 2, s_3_36, -1, 1, 0},
+/* 37 */ { 3, s_3_37, 36, 1, 0},
+/* 38 */ { 3, s_3_38, -1, 1, 0},
+/* 39 */ { 4, s_3_39, 38, 2, 0},
+/* 40 */ { 3, s_3_40, -1, 1, 0},
+/* 41 */ { 3, s_3_41, -1, 5, 0},
+/* 42 */ { 3, s_3_42, -1, 6, 0},
+/* 43 */ { 2, s_3_43, -1, 1, 0},
+/* 44 */ { 2, s_3_44, -1, 2, 0},
+/* 45 */ { 2, s_3_45, -1, 1, 0},
+/* 46 */ { 3, s_3_46, -1, 2, 0},
+/* 47 */ { 3, s_3_47, -1, 1, 0},
+/* 48 */ { 4, s_3_48, 47, 1, 0},
+/* 49 */ { 3, s_3_49, -1, 1, 0},
+/* 50 */ { 6, s_3_50, -1, 1, 0},
+/* 51 */ { 2, s_3_51, -1, 2, 0},
+/* 52 */ { 2, s_3_52, -1, 1, 0},
+/* 53 */ { 2, s_3_53, -1, 1, 0},
+/* 54 */ { 3, s_3_54, 53, 1, 0},
+/* 55 */ { 3, s_3_55, 53, 1, 0},
+/* 56 */ { 5, s_3_56, 55, 1, 0},
+/* 57 */ { 4, s_3_57, 53, 1, 0},
+/* 58 */ { 3, s_3_58, -1, 1, 0},
+/* 59 */ { 4, s_3_59, -1, 1, 0},
+/* 60 */ { 3, s_3_60, -1, 1, 0},
+/* 61 */ { 4, s_3_61, -1, 1, 0},
+/* 62 */ { 5, s_3_62, 61, 1, 0},
+/* 63 */ { 7, s_3_63, 61, 2, 0},
+/* 64 */ { 4, s_3_64, -1, 4, 0},
+/* 65 */ { 5, s_3_65, 64, 1, 0},
+/* 66 */ { 4, s_3_66, -1, 6, 0},
+/* 67 */ { 4, s_3_67, -1, 1, 0}
+};
+
+static const symbol s_4_0[1] = { 'c' };
+static const symbol s_4_1[1] = { 'k' };
+static const symbol s_4_2[1] = { 'l' };
+static const symbol s_4_3[1] = { 'n' };
+static const symbol s_4_4[1] = { 't' };
+static const symbol s_4_5[2] = { 0xC3, 0xA8 };
+
+static const struct among a_4[6] =
+{
+/* 0 */ { 1, s_4_0, -1, 1, 0},
+/* 1 */ { 1, s_4_1, -1, 1, 0},
+/* 2 */ { 1, s_4_2, -1, 1, 0},
+/* 3 */ { 1, s_4_3, -1, 1, 0},
+/* 4 */ { 1, s_4_4, -1, 1, 0},
+/* 5 */ { 2, s_4_5, -1, 1, 0}
+};
+
+static const symbol s_5_0[3] = { 'i', 's', 'k' };
+static const symbol s_5_1[3] = { 0xC3, 0xA1, 'k' };
+static const symbol s_5_2[3] = { 'i', 'z', 'n' };
+static const symbol s_5_3[4] = { 'a', 'j', 'z', 'n' };
+
+static const struct among a_5[4] =
+{
+/* 0 */ { 3, s_5_0, -1, 2, 0},
+/* 1 */ { 3, s_5_1, -1, 1, 0},
+/* 2 */ { 3, s_5_2, -1, 2, 0},
+/* 3 */ { 4, s_5_3, -1, 1, 0}
+};
+
+static const symbol s_6_0[1] = { 'k' };
+static const symbol s_6_1[2] = { 'a', 'k' };
+static const symbol s_6_2[2] = { 'e', 'k' };
+static const symbol s_6_3[4] = { 'a', 'n', 'e', 'k' };
+static const symbol s_6_4[4] = { 'e', 'n', 'e', 'k' };
+static const symbol s_6_5[4] = { 'i', 'n', 'e', 'k' };
+static const symbol s_6_6[4] = { 'o', 'n', 'e', 'k' };
+static const symbol s_6_7[4] = { 'u', 'n', 'e', 'k' };
+static const symbol s_6_8[5] = { 0xC3, 0xA1, 'n', 'e', 'k' };
+static const symbol s_6_9[5] = { 'a', 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_10[5] = { 'e', 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_11[5] = { 'i', 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_12[5] = { 'o', 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_13[5] = { 'u', 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_14[6] = { 0xC3, 0xA1, 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_15[6] = { 0xC3, 0xA9, 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_16[6] = { 0xC3, 0xAD, 0xC3, 0xA8, 'e', 'k' };
+static const symbol s_6_17[6] = { 'o', 'u', 0xC2, 0xB9, 'e', 'k' };
+static const symbol s_6_18[2] = { 'i', 'k' };
+static const symbol s_6_19[3] = { 'a', 'n', 'k' };
+static const symbol s_6_20[3] = { 'e', 'n', 'k' };
+static const symbol s_6_21[3] = { 'i', 'n', 'k' };
+static const symbol s_6_22[3] = { 'o', 'n', 'k' };
+static const symbol s_6_23[3] = { 'u', 'n', 'k' };
+static const symbol s_6_24[4] = { 0xC3, 0xA1, 'n', 'k' };
+static const symbol s_6_25[4] = { 0xC3, 0xA9, 'n', 'k' };
+static const symbol s_6_26[4] = { 0xC3, 0xAD, 'n', 'k' };
+static const symbol s_6_27[2] = { 'o', 'k' };
+static const symbol s_6_28[4] = { 0xC3, 0xA1, 't', 'k' };
+static const symbol s_6_29[2] = { 'u', 'k' };
+static const symbol s_6_30[3] = { 0xC3, 0xA1, 'k' };
+static const symbol s_6_31[4] = { 'a', 0xC3, 0xA8, 'k' };
+static const symbol s_6_32[4] = { 'e', 0xC3, 0xA8, 'k' };
+static const symbol s_6_33[4] = { 'i', 0xC3, 0xA8, 'k' };
+static const symbol s_6_34[4] = { 'o', 0xC3, 0xA8, 'k' };
+static const symbol s_6_35[4] = { 'u', 0xC3, 0xA8, 'k' };
+static const symbol s_6_36[5] = { 0xC3, 0xA1, 0xC3, 0xA8, 'k' };
+static const symbol s_6_37[5] = { 0xC3, 0xA9, 0xC3, 0xA8, 'k' };
+static const symbol s_6_38[5] = { 0xC3, 0xAD, 0xC3, 0xA8, 'k' };
+static const symbol s_6_39[3] = { 0xC3, 0xA9, 'k' };
+static const symbol s_6_40[3] = { 0xC3, 0xAD, 'k' };
+static const symbol s_6_41[4] = { 'u', 0xC2, 0xB9, 'k' };
+
+static const struct among a_6[42] =
+{
+/* 0 */ { 1, s_6_0, -1, 1, 0},
+/* 1 */ { 2, s_6_1, 0, 7, 0},
+/* 2 */ { 2, s_6_2, 0, 2, 0},
+/* 3 */ { 4, s_6_3, 2, 1, 0},
+/* 4 */ { 4, s_6_4, 2, 2, 0},
+/* 5 */ { 4, s_6_5, 2, 4, 0},
+/* 6 */ { 4, s_6_6, 2, 1, 0},
+/* 7 */ { 4, s_6_7, 2, 1, 0},
+/* 8 */ { 5, s_6_8, 2, 1, 0},
+/* 9 */ { 5, s_6_9, 2, 1, 0},
+/* 10 */ { 5, s_6_10, 2, 2, 0},
+/* 11 */ { 5, s_6_11, 2, 4, 0},
+/* 12 */ { 5, s_6_12, 2, 1, 0},
+/* 13 */ { 5, s_6_13, 2, 1, 0},
+/* 14 */ { 6, s_6_14, 2, 1, 0},
+/* 15 */ { 6, s_6_15, 2, 3, 0},
+/* 16 */ { 6, s_6_16, 2, 5, 0},
+/* 17 */ { 6, s_6_17, 2, 1, 0},
+/* 18 */ { 2, s_6_18, 0, 4, 0},
+/* 19 */ { 3, s_6_19, 0, 1, 0},
+/* 20 */ { 3, s_6_20, 0, 1, 0},
+/* 21 */ { 3, s_6_21, 0, 1, 0},
+/* 22 */ { 3, s_6_22, 0, 1, 0},
+/* 23 */ { 3, s_6_23, 0, 1, 0},
+/* 24 */ { 4, s_6_24, 0, 1, 0},
+/* 25 */ { 4, s_6_25, 0, 1, 0},
+/* 26 */ { 4, s_6_26, 0, 1, 0},
+/* 27 */ { 2, s_6_27, 0, 8, 0},
+/* 28 */ { 4, s_6_28, 0, 1, 0},
+/* 29 */ { 2, s_6_29, 0, 9, 0},
+/* 30 */ { 3, s_6_30, 0, 6, 0},
+/* 31 */ { 4, s_6_31, 0, 1, 0},
+/* 32 */ { 4, s_6_32, 0, 1, 0},
+/* 33 */ { 4, s_6_33, 0, 1, 0},
+/* 34 */ { 4, s_6_34, 0, 1, 0},
+/* 35 */ { 4, s_6_35, 0, 1, 0},
+/* 36 */ { 5, s_6_36, 0, 1, 0},
+/* 37 */ { 5, s_6_37, 0, 1, 0},
+/* 38 */ { 5, s_6_38, 0, 1, 0},
+/* 39 */ { 3, s_6_39, 0, 3, 0},
+/* 40 */ { 3, s_6_40, 0, 5, 0},
+/* 41 */ { 4, s_6_41, 0, 1, 0}
+};
+
+static const symbol s_7_0[4] = { 'e', 'j', 0xC2, 0xB9 };
+static const symbol s_7_1[5] = { 0xC3, 0xAC, 'j', 0xC2, 0xB9 };
+
+static const struct among a_7[2] =
+{
+/* 0 */ { 4, s_7_0, -1, 2, 0},
+/* 1 */ { 5, s_7_1, -1, 1, 0}
+};
+
+static const unsigned char g_v[] = { 17, 65, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 25, 4, 19 };
+
+static const symbol s_0[] = { 'k' };
+static const symbol s_1[] = { 'h' };
+static const symbol s_2[] = { 'c', 'k' };
+static const symbol s_3[] = { 's', 'k' };
+static const symbol s_4[] = { 'e' };
+static const symbol s_5[] = { 'i' };
+static const symbol s_6[] = { 'e' };
+static const symbol s_7[] = { 0xC3, 0xA9 };
+static const symbol s_8[] = { 0xC3, 0xAC };
+static const symbol s_9[] = { 0xC3, 0xAD };
+static const symbol s_10[] = { 'i' };
+static const symbol s_11[] = { 'e' };
+static const symbol s_12[] = { 0xC3, 0xA9 };
+static const symbol s_13[] = { 'i' };
+static const symbol s_14[] = { 0xC3, 0xAD };
+static const symbol s_15[] = { 0xC3, 0xA1 };
+static const symbol s_16[] = { 'a' };
+static const symbol s_17[] = { 'o' };
+static const symbol s_18[] = { 'u' };
+static const symbol s_19[] = { 0xC3, 0xAC };
+static const symbol s_20[] = { 'e' };
+
+static int r_mark_regions(struct SN_env * z) { /* forwardmode */
+ z->I[0] = z->l; /* $pV = <integer expression>, line 45 */
+ z->I[1] = z->l; /* $p1 = <integer expression>, line 46 */
+ { int c1 = z->c; /* do, line 48 */
+ { /* gopast */ /* non v, line 49 */
+ int ret = in_grouping_U(z, g_v, 97, 253, 1);
+ if (ret < 0) goto lab0;
+ z->c += ret;
+ }
+ z->I[0] = z->c; /* setmark pV, line 49 */
+ { /* gopast */ /* non v, line 50 */
+ int ret = in_grouping_U(z, g_v, 97, 253, 1);
+ if (ret < 0) goto lab0;
+ z->c += ret;
+ }
+ { /* gopast */ /* grouping v, line 50 */
+ int ret = out_grouping_U(z, g_v, 97, 253, 1);
+ if (ret < 0) goto lab0;
+ z->c += ret;
+ }
+ z->I[1] = z->c; /* setmark p1, line 50 */
+ lab0:
+ z->c = c1;
+ }
+ return 1;
+}
+
+static int r_RV(struct SN_env * z) { /* backwardmode */
+ if (!(z->I[0] <= z->c)) return 0; /* $pV <= <integer expression>, line 56 */
+ return 1;
+}
+
+static int r_R1(struct SN_env * z) { /* backwardmode */
+ if (!(z->I[1] <= z->c)) return 0; /* $p1 <= <integer expression>, line 57 */
+ return 1;
+}
+
+static int r_palatalise(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 60 */
+ among_var = find_among_b(z, a_0, 14); /* substring, line 60 */
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 60 */
+ { int ret = r_RV(z); /* call RV, line 60 */
+ if (ret <= 0) return ret;
+ }
+ switch (among_var) { /* among, line 60 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_from_s(z, 1, s_0); /* <-, line 62 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_from_s(z, 1, s_1); /* <-, line 64 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 3:
+ { int ret = slice_from_s(z, 2, s_2); /* <-, line 66 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 4:
+ { int ret = slice_from_s(z, 2, s_3); /* <-, line 68 */
+ if (ret < 0) return ret;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_possessive(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 73 */
+ if (z->c - 1 <= z->lb || (z->p[z->c - 1] != 110 && z->p[z->c - 1] != 118)) return 0; /* substring, line 73 */
+ among_var = find_among_b(z, a_1, 3);
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 73 */
+ { int ret = r_RV(z); /* call RV, line 73 */
+ if (ret <= 0) return ret;
+ }
+ switch (among_var) { /* among, line 73 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_del(z); /* delete, line 75 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_del(z); /* delete, line 78 */
+ if (ret < 0) return ret;
+ }
+ { int m1 = z->l - z->c; (void)m1; /* try, line 79 */
+ { int ret = r_palatalise(z); /* call palatalise, line 79 */
+ if (ret == 0) { z->c = z->l - m1; goto lab0; }
+ if (ret < 0) return ret;
+ }
+ lab0:
+ ;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_case(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 85 */
+ among_var = find_among_b(z, a_2, 48); /* substring, line 85 */
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 85 */
+ switch (among_var) { /* among, line 85 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_del(z); /* delete, line 92 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_del(z); /* delete, line 99 */
+ if (ret < 0) return ret;
+ }
+ { int m1 = z->l - z->c; (void)m1; /* try, line 100 */
+ { int ret = r_palatalise(z); /* call palatalise, line 100 */
+ if (ret == 0) { z->c = z->l - m1; goto lab0; }
+ if (ret < 0) return ret;
+ }
+ lab0:
+ ;
+ }
+ break;
+ case 3:
+ { int ret = slice_from_s(z, 1, s_4); /* <-, line 104 */
+ if (ret < 0) return ret;
+ }
+ { int m2 = z->l - z->c; (void)m2; /* try, line 105 */
+ { int ret = r_palatalise(z); /* call palatalise, line 105 */
+ if (ret == 0) { z->c = z->l - m2; goto lab1; }
+ if (ret < 0) return ret;
+ }
+ lab1:
+ ;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_derivational(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 111 */
+ among_var = find_among_b(z, a_3, 68); /* substring, line 111 */
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 111 */
+ { int ret = r_R1(z); /* call R1, line 111 */
+ if (ret <= 0) return ret;
+ }
+ switch (among_var) { /* among, line 111 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_del(z); /* delete, line 120 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_from_s(z, 1, s_5); /* <-, line 126 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 127 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 3:
+ { int ret = slice_from_s(z, 1, s_6); /* <-, line 131 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 132 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 4:
+ { int ret = slice_from_s(z, 2, s_7); /* <-, line 136 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 137 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 5:
+ { int ret = slice_from_s(z, 2, s_8); /* <-, line 141 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 142 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 6:
+ { int ret = slice_from_s(z, 2, s_9); /* <-, line 147 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 148 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_deriv_single(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 153 */
+ among_var = find_among_b(z, a_4, 6); /* substring, line 153 */
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 153 */
+ switch (among_var) { /* among, line 153 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_del(z); /* delete, line 155 */
+ if (ret < 0) return ret;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_augmentative(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 161 */
+ if (z->c - 2 <= z->lb || (z->p[z->c - 1] != 107 && z->p[z->c - 1] != 110)) return 0; /* substring, line 161 */
+ among_var = find_among_b(z, a_5, 4);
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 161 */
+ switch (among_var) { /* among, line 161 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_del(z); /* delete, line 163 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_from_s(z, 1, s_10); /* <-, line 166 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 167 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_diminutive(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 173 */
+ if (z->c <= z->lb || z->p[z->c - 1] != 107) return 0; /* substring, line 173 */
+ among_var = find_among_b(z, a_6, 42);
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 173 */
+ switch (among_var) { /* among, line 173 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_del(z); /* delete, line 180 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_from_s(z, 1, s_11); /* <-, line 183 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 184 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 3:
+ { int ret = slice_from_s(z, 2, s_12); /* <-, line 188 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 189 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 4:
+ { int ret = slice_from_s(z, 1, s_13); /* <-, line 193 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 194 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 5:
+ { int ret = slice_from_s(z, 2, s_14); /* <-, line 198 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 199 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 6:
+ { int ret = slice_from_s(z, 2, s_15); /* <-, line 202 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 7:
+ { int ret = slice_from_s(z, 1, s_16); /* <-, line 204 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 8:
+ { int ret = slice_from_s(z, 1, s_17); /* <-, line 206 */
+ if (ret < 0) return ret;
+ }
+ break;
+ case 9:
+ { int ret = slice_from_s(z, 1, s_18); /* <-, line 208 */
+ if (ret < 0) return ret;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_comparative(struct SN_env * z) { /* backwardmode */
+ int among_var;
+ z->ket = z->c; /* [, line 213 */
+ if (z->c - 3 <= z->lb || z->p[z->c - 1] != 185) return 0; /* substring, line 213 */
+ among_var = find_among_b(z, a_7, 2);
+ if (!(among_var)) return 0;
+ z->bra = z->c; /* ], line 213 */
+ switch (among_var) { /* among, line 213 */
+ case 0: return 0;
+ case 1:
+ { int ret = slice_from_s(z, 2, s_19); /* <-, line 216 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 217 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ case 2:
+ { int ret = slice_from_s(z, 1, s_20); /* <-, line 221 */
+ if (ret < 0) return ret;
+ }
+ { int ret = r_palatalise(z); /* call palatalise, line 222 */
+ if (ret <= 0) return ret;
+ }
+ break;
+ }
+ return 1;
+}
+
+static int r_do_aggressive(struct SN_env * z) { /* backwardmode */
+ { int m1 = z->l - z->c; (void)m1; /* do, line 228 */
+ { int ret = r_do_comparative(z); /* call do_comparative, line 228 */
+ if (ret == 0) goto lab0;
+ if (ret < 0) return ret;
+ }
+ lab0:
+ z->c = z->l - m1;
+ }
+ { int m2 = z->l - z->c; (void)m2; /* do, line 229 */
+ { int ret = r_do_diminutive(z); /* call do_diminutive, line 229 */
+ if (ret == 0) goto lab1;
+ if (ret < 0) return ret;
+ }
+ lab1:
+ z->c = z->l - m2;
+ }
+ { int m3 = z->l - z->c; (void)m3; /* do, line 230 */
+ { int ret = r_do_augmentative(z); /* call do_augmentative, line 230 */
+ if (ret == 0) goto lab2;
+ if (ret < 0) return ret;
+ }
+ lab2:
+ z->c = z->l - m3;
+ }
+ { int m4 = z->l - z->c; (void)m4; /* or, line 231 */
+ { int ret = r_do_derivational(z); /* call do_derivational, line 231 */
+ if (ret == 0) goto lab4;
+ if (ret < 0) return ret;
+ }
+ goto lab3;
+ lab4:
+ z->c = z->l - m4;
+ { int ret = r_do_deriv_single(z); /* call do_deriv_single, line 231 */
+ if (ret <= 0) return ret;
+ }
+ }
+lab3:
+ return 1;
+}
+
+extern int czech_UTF_8_stem(struct SN_env * z) { /* forwardmode */
+ { int c1 = z->c; /* do, line 236 */
+ { int ret = r_mark_regions(z); /* call mark_regions, line 236 */
+ if (ret == 0) goto lab0;
+ if (ret < 0) return ret;
+ }
+ lab0:
+ z->c = c1;
+ }
+ z->lb = z->c; z->c = z->l; /* backwards, line 237 */
+
+ { int ret = r_do_case(z); /* call do_case, line 238 */
+ if (ret <= 0) return ret;
+ }
+ { int ret = r_do_possessive(z); /* call do_possessive, line 239 */
+ if (ret <= 0) return ret;
+ }
+ { int ret = r_do_aggressive(z); /* call do_aggressive, line 242 */
+ if (ret <= 0) return ret;
+ }
+ z->c = z->lb;
+ return 1;
+}
+
+extern struct SN_env * czech_UTF_8_create_env(void) { return SN_create_env(0, 2); }
+
+extern void czech_UTF_8_close_env(struct SN_env * z) { SN_close_env(z, 0); }
+
diff --git a/src/include/snowball/libstemmer/stem_UTF_8_czech.h b/src/include/snowball/libstemmer/stem_UTF_8_czech.h
new file mode 100644
--- /dev/null
+++ b/src/include/snowball/libstemmer/stem_UTF_8_czech.h
@@ -0,0 +1,16 @@
+/* This file was generated automatically by the Snowball to ISO C compiler */
+/* http://snowballstem.org/ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern struct SN_env * czech_UTF_8_create_env(void);
+extern void czech_UTF_8_close_env(struct SN_env * z);
+
+extern int czech_UTF_8_stem(struct SN_env * z);
+
+#ifdef __cplusplus
+}
+#endif
+
diff --git a/src/backend/snowball/stopwords/czech.stop b/src/backend/snowball/stopwords/czech.stop
new file mode 100644
--- /dev/null
+++ b/src/backend/snowball/stopwords/czech.stop
@@ -0,0 +1,86 @@
+a
+ale
+ano
+atd
+by
+být
+co
+čí
+čím
+do
+i
+já
+jak
+je
+jeho
+jemu
+její
+jejich
+ji
+jí
+jim
+již
+jsem
+jsi
+jsou
+k
+kde
+kdo
+kdy
+který
+mě
+mém
+mne
+mně
+můj
+my
+na
+nad
+nám
+náš
+ne
+o
+on
+ona
+oni
+ono
+pak
+po
+pod
+pro
+proto
+proč
+před
+s
+se
+sem
+si
+svůj
+ta
+tady
+tak
+také
+tam
+tato
+teď
+ten
+ti
+tím
+to
+tobě
+tomu
+tvůj
+ty
+tyto
+u
+už
+v
+ve
+vám
+váš
+viz
+vy
+z
+za
+ze
+že