I found the reason for this behavior: There is a line missing in the pascal.lang file (in /usr/share/gtksourceview-2.0/language-specs/).
<default-regex-options case-sensitive="false"/>
Corrected file is attached.
I found the reason for this behavior: There is a line missing in the pascal.lang file (in /usr/share/ gtksourceview- 2.0/language- specs/) .
<default- regex-options case-sensitive= "false" />
Corrected file is attached.