[issue-788] fix tag-value parser to allow NONE and NOASSERTION for package source info as they are valid strings

Signed-off-by: Meret Behrens <meret.behrens@tngtech.com>

Author: meretp

src/spdx_tools/spdx/parser/tagvalue/parser.py

@@ -180,7 +180,7 @@ def p_current_element_error(self, p):
         "file_comment : FILE_COMMENT text_or_line\n "
         "file_license_concluded : FILE_LICENSE_CONCLUDED license_or_no_assertion_or_none\n "
         "package_name : PKG_NAME LINE\n description : PKG_DESCRIPTION text_or_line\n "
-        "summary : PKG_SUMMARY text_or_line\n source_info : PKG_SOURCE_INFO text_or_line_including_no_assertion\n "
+        "summary : PKG_SUMMARY text_or_line\n source_info : PKG_SOURCE_INFO text_or_line\n "
         "homepage : PKG_HOMEPAGE line_or_no_assertion_or_none\n "
         "download_location : PKG_DOWNLOAD_LOCATION line_or_no_assertion_or_none\n "
         "originator : PKG_ORIGINATOR actor_or_no_assertion\n supplier : PKG_SUPPLIER actor_or_no_assertion\n "
@@ -212,14 +212,13 @@ def p_generic_value(self, p):
     def p_unknown_tag(self, p):
         self.logger.append(f"Unknown tag provided in line {p.lineno(1)}")
 
-    @grammar_rule("text_or_line : TEXT")
+    @grammar_rule("text_or_line : TEXT\n line_or_no_assertion_or_none : TEXT")
     def p_text(self, p):
         p[0] = str_from_text(p[1])
 
     @grammar_rule(
-        "text_or_line : LINE\n line_or_no_assertion : LINE\nline_or_no_assertion_or_none : text_or_line\n"
-        "text_or_line_including_no_assertion : text_or_line\ntext_or_line_including_no_assertion : NO_ASSERTION\n"
-        "text_or_line_including_no_assertion : NONE"
+        "text_or_line : LINE\n line_or_no_assertion : LINE\nline_or_no_assertion_or_none : LINE\n"
+        "text_or_line : NO_ASSERTION\n text_or_line : NONE"
     )
     def p_line(self, p):
         p[0] = p[1]