Ticket #3940: add Meson syntax highlighting.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

misc/syntax/Makefile.am

@@ -53,6 +53,7 @@ SYNTAXFILES =			\
 	makefile.syntax		\
 	markdown.syntax		\
 	ml.syntax		\
+	meson.syntax		\
 	named.syntax		\
 	nemerle.syntax		\
 	nroff.syntax		\

misc/syntax/Syntax.in

@@ -70,6 +70,9 @@ include makefile.syntax
 file (CMakeLists.txt|.\*.cmake)$ CMake
 include cmake.syntax
 
+file meson.build$ Meson\sBuild\sFile
+include meson.syntax
+
 file ..\*\\.(?i:pas|dpr|inc)$ Pascal\sProgram
 include pascal.syntax
 

misc/syntax/meson.syntax

@@ -0,0 +1,91 @@
+# MIT License
+#
+# Copyright (c) 2018 Vitold S
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+
+context default
+# Functions
+    keyword whole add_global_arguments white
+    keyword whole add_global_link_arguments white
+    keyword whole add_languages white
+    keyword whole add_project_arguments white
+    keyword whole add_project_link_arguments white
+    keyword whole add_test_setup white
+    keyword whole benchmark white
+    keyword whole both_libraries white
+    keyword whole build_target white
+    keyword whole configuration_data white
+    keyword whole configure_file white
+    keyword whole custom_target white
+    keyword whole declare_dependency white
+    keyword whole dependency white
+    keyword whole disabler white
+    keyword whole error white
+    keyword whole environment white
+    keyword whole executable white
+    keyword whole find_library white
+    keyword whole find_program white
+    keyword whole files white
+    keyword whole generator white
+    keyword whole get_option white
+    keyword whole get_variable white
+    keyword whole import white
+    keyword whole include_directories white
+    keyword whole install_data white
+    keyword whole install_headers white
+    keyword whole install_man white
+    keyword whole install_subdir white
+    keyword whole is_variable white
+    keyword whole jar white
+    keyword whole join_paths white
+    keyword whole library white
+    keyword whole message white
+    keyword whole warning white
+    keyword whole project white
+    keyword whole run_command white
+    keyword whole run_target white
+    keyword whole set_variable white
+    keyword whole shared_library white
+    keyword whole shared_module white
+    keyword whole static_library white
+    keyword whole subdir white
+    keyword whole subdir_done white
+    keyword whole subproject white
+    keyword whole test white
+    keyword whole vcs_tag white
+# Build-in objects
+    keyword whole meson yellow
+    keyword whole build_machine yellow
+    keyword whole host_machine yellow
+    keyword whole target_machine yellow
+    keyword whole compiler yellow
+    keyword whole string yellow
+    keyword whole Number yellow
+    keyword whole boolean yellow
+    keyword whole array yellow
+    keyword whole dictionary yellow
+
+context ' ' green
+
+context " " brightred
+
+context linestart # \n brown
+    spellcheck