Oracle PLSQL lexer (suitable for Oracle SQL as well) (#1811)

* add oracle plsql lexer * add demo and sample * tweak rules for multiline items and function/package/procedure/type creates * add type attributes, word operators, preprocessor directives * add rule for MERGE syntax to get keywords rather than names * remove trailing dot option for floating point number. restrict words after dot to functions or regular names instead of keywords * pad visual sample with more edge cases on numbers and dot method notation. Add comments to lexer code and pretty it up * added PLSQL to docs/Languages.md ensure 2 space indentation throughout correct spelling errors in comments change keywords to keywords_reserved and keywords_nresvd to keywords Remove redundant comments add cursor attributes to name::attribute list add optional double/float modifier letters to numeric literals, also to visual test file. * slight formatting tweak. remove extra space
rouge-ruby · May 2, 2022 · ee5c935 · ee5c935
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diff --git a/docs/Languages.md b/docs/Languages.md
@@ -144,6 +144,7 @@
 - PHP (`php`)
 - Plain Text (`plaintext`)
 - Plist (`plist`)
+- PLSQL (`plsql`)
 - Pony (`pony`)
 - PostScript (`postscript`)
 - powershell (`powershell`)

diff --git a/lib/rouge/demos/plsql b/lib/rouge/demos/plsql
@@ -0,0 +1,2 @@
+SELECT q'{a quoted string}' AS s, TO_CHAR(SYSDATE,'MM/DD/YYYY') AS "Current Date" FROM DUAL
+WHERE 1=1;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		SELECT q'{a quoted string}' AS s, TO_CHAR(SYSDATE,'MM/DD/YYYY') AS "Current Date" FROM DUAL
		WHERE 1=1;