Reorder 廣韻字頭, add 字頭原貌 and correct some data (#10)

- All 廣韻 entries are reordered according to 澤存堂本
  - This solves a long-standing issue with both 韻典 and 廣韻字音表's data: Both data tables combine 字頭 from 廣韻全字表 and 釋義 from 宋本廣韻データ. However 廣韻全字表 is based on 巾箱本 while 宋本廣韻データ is based on 澤存堂本, which creates mismatches that causes confusion
  - src/字序表.csv is the main result of this work. It lists 廣韻's entries in the correct order, with corresponding entry indices from 廣韻字音表, 宋本廣韻データ and 韻典 listed as reference

- Entries missing in poem's data are added back
  - This includes characters only representable with IDS, and several additions from other versions of 廣韻 (chiefly 廣韻校本)
  - The field 小韻內字序 is now 小韻字號, which may contain "-a1", "-a2" etc for added entries that should be there but missing in 澤存堂本

- Added 字頭原貌
  - 字頭原貌 is taken from poem's "字頭-原貌" field (only those marked with "校" but not with "部件換位" or "調整碼位", as the latter cases are for equivalent characters), plus our corrections (most are from 廣韻形聲考)

- 釋義補充 field replaced with 釋義參照
  - Instead of repeating the text, 釋義參照 simply indicates whether the entry has 釋義 that refers the entry above, or shares 釋義 with the entry below
  - This also resolves 釋義補充-related issues in #7

- More errors in 字頭 & 釋義 are corrected
  - These were discovered when the new 字序表 was being made, and are still WIP
  - Some corrections are newly added according to 廣韻形聲考

- README updated with detailed description of the fields in 廣韻.csv

Author: syimyuzya

DEVELOP.md

@@ -2,18 +2,24 @@
 
 ## Sources
 
-- 廣韻(20170209).csv: From [廣韻字音表](https://zhuanlan.zhihu.com/p/20430939), created by poem.
-- rime-table-0b69606.tsv: From [切韻新韻圖](https://phesoca.com/rime-table/) by unt, built from git commit `0b69606`.
-- split.csv: Maintained here, ultimately also from 切韻新韻圖.
+_poem_'s 廣韻 data:
+
+- 廣韻(20170209).csv: From [廣韻字音表](https://zhuanlan.zhihu.com/p/20430939), created by _poem_
+
+Maintained by NK2028:
+
+- 小韻表.csv: 音韻地位 and 反切
+- split.csv: Details of 小韻s with multiple 音韻地位s
+- 字序表: Correct order of 廣韻's entries
+  - `poem_*` fields refer to _poem_'s 廣韻字音表
+  - `sbgy_*` fields refer to [宋本廣韻データ](https://kanji-database.sourceforge.net/dict/sbgy/index.html)
+  - `ytenx_*` fields refer to [韻典網](https://ytenx.org/)
+    - Data is taken from commit `d95d247` (2023-12-21), which differs from the current (as of Jan. 2025) deployed version (commit `3666370` 2020-03-23) by two 字頭s (小韻 1326 茅→芧, 小韻 2882 匕→𠤎)
+- patches.csv: Corrections to _poem_'s data
 
 ## Build
 
 ```sh
 python build.py
 python check.py
 ```
-
-## Remarks
-
-- poem 表註「應補」者，給出 Unicode 字頭者均可見於原表末尾（小韻內字序號帶 .5），未給出者（以 IDS 或文字描述字頭）則仍未錄
-- poem 表註「應換序」及「順序應爲」者，均未修正，且釋義補充字段亦有問題（似乎源自早先有女同車《廣韻全字表》底本差異）

README.md

@@ -3,12 +3,33 @@
 A database of the Qieyun phonological system.
 
 - 韻書
-    - 王一：`王一.csv` (not completed)
-    - 王三：`王三.csv` (小韻內部待校)
-    - 廣韻（澤存堂本）：`廣韻.csv`
+  - 王一：`王一.csv` (not completed)
+  - 王三：`王三.csv` (小韻內部待校)
+  - 廣韻 (澤存堂本, with corrections from 廣韻校本, 廣韻形聲考 etc.)：`廣韻.csv`
 - 韻圖
-    - 韻鏡（嘉吉本）：`韻鏡（嘉吉本）.csv` (not completed)
-    - 韻鏡（古逸叢書本）：`韻鏡（古逸叢書本）.csv`
+  - 韻鏡（嘉吉本）：`韻鏡（嘉吉本）.csv` (not completed)
+  - 韻鏡（古逸叢書本）：`韻鏡（古逸叢書本）.csv`
 - 反切音韻地位
-    - 王三：`王三反切音韻地位表.csv` (rev. Ayaka & unt)
-    - 廣韻：`廣韻反切音韻地位表.csv` (beta)
+  - 王三：`王三反切音韻地位表.csv` (rev. Ayaka & unt)
+  - 廣韻：`廣韻反切音韻地位表.csv` (beta)
+
+## About fields in 韻書/廣韻.csv
+
+- 小韻號: May contain -a/-b/-c if a 小韻 has multiple 音韻地位s
+- 小韻字號: May contain -a1, -a2 etc for entries not present in 澤存堂本 but added back according to 廣韻校本
+- 反切: May contain annotations:
+  - 脫字: `[徒]候` (小韻 #3067 豆)
+  - 訛字: `士<七>演` (小韻 #1625 淺)
+  - 改用其他來源的音韻地位: `姊宜⦉規⦊` (小韻 #133 厜)
+  - 替換成近似等價字，反切結果改變: `符咸(䒦)` (小韻 #1155 凡)
+  - 替換成音近字，反切結果改變: `式之(脂)` (小韻 #157 尸)
+  - 替換成等價字，反切結果不變: `甫⦅府⦆妄` (小韻 #2918 放)
+  - 替換成同音字，反切結果不變: `呼東⦅紅⦆` (小韻 #32 烘)
+  - 複合使用: `以沼⦅小⦆<水>` (小韻 #1692a 鷕)
+- 字頭原貌 & 字頭: The character for the entry
+  - A non-empty 字頭原貌 indicates a correction of the character
+  - Additionally, an empty 字頭 indicates this entry in 澤存堂本 is errorneous and should be removed
+- 字頭說明: contains notes about some of the corrections or removals
+- 釋義參照: 
+  - `上` if 釋義 refers to the entry above ("同上", "俗", "古文" etc.)
+  - `下` if it shares 釋義 with the entry below ("並上同", "並古文" etc.)